Cyclopentane refrigerant. Summary of Substitute Refrigerants Listed in SNAP Notice 25 The table below provides additional information on the substitutes listed as acceptable in Avoid the drama of a refrigerant leak by keeping your cooling systems in check. They are all results obtained in the form 𝑌 (𝑇, 𝜌), where 𝑌 is the parameter of interest and which for all EOS is a direct evaluation of Dumb idea to keep a chest freezer that uses cyclopentane as a blowing material next to a gas water heater? The only spot that we have to store a chest freezer is in a small breaker room in front of our gas water heater in the back of our town house. It is also an energy-efficient and environmentally friendly refrigerant, making it an ideal choice for cooling and heating systems. Cyclopentane Refrigerant is widely used in the insulation blowing gas industry, as it has excellent insulation properties and high performance. ,Ltd is HCFC Refrigerant factory. November 2022 The purpose of this fact sheet is to provide an update on ASHRAE standards for refrigerants and to introduce the new refrigerants that have been awarded an «R» number over the last few years and introduced into the international market. Oct 24, 2023 · Cyclopentane is a simple hydrocarbon with reactivity and sustainable profiles that make it a desirable compound for a wide variety of applications including insulation for buildings, appliances, and vehicles. : cyclopentane (dot); pentamethylene : 001124 : Airgas USA, LLC and its affiliates 259 North Radnor-Chester Road Suite 100 Radnor, PA 19087-5283 1-610-687-5253 Cyclopentane is principally used as a blowing agent in the manufacture of polyurethane insulating foam, replacing ozone-depleting agents such as CFC-11 and HCFC-141b. Symptoms of acute exposure, in high concentrations include excitement, loss of equilibrium, stupor, coma, and, occasionally, respiratory failure. Using cyclopentane results in significant reductions in equivalent CO2 emissions. However, when a refrigerant leak occurs, it often releases other chemicals or gases that may have a distinct smell. As with all alicyclic hydrocarbons, cyclopentane is a central nervous system depressant. Our high-purity formulas help ensure high-quality products with minimal contaminants that may compromise the performance of your application and end product. While 95% purity cyclopentane is an Cyclopentane is a key raw material in Polyurethane insulation foams enabeling a high-performance and energy-efficient insulation of refrigerators. Refrigerant itself is odorless and colorless, making it difficult to detect by smell alone. It is filled into T11 ISO containers for international transport as well as road trailers and rail cars. Cyclopentane Further information Species: Rat Application Route: Inhalation Dose: 0, 500, 2000, 7000 ppm Exposure time: GD 6-15 Number of exposures: 5 d/wk Method: OECD Guideline 414 NOAEL Teratogenicity: 7000 ppm NOAEL Maternal: 500 - 2000 ppm Information given is based on data obtained from similar substances. Use respirators and components tested and approved under I just noticed that there is a big old sticker on the bottom of my dometic CFX 75DZ reading CYCLOPENTANE. Please note, each of these refrigerants have their own list of pros and cons, as well as many uses and safety precautions that should be taken into consideration. CYCLOPENTANE should store below +30°C. Isobutane was first used as a refrigerant in the early 1990s in domestic refrigerators and freezers. that use cyclopentane. Dec 22, 2020 · * All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details. It’s a real beauty with French doors, huge capacity, 2 compressors and all fans on VSDs. It is a colorless and flammable liquid at room temperature, and its aromatic nature makes it suitable for various applications, notably as a refrigerant. Explore cyclopentane (C₅H₁₀), an eco-friendly refrigerant replacing traditional CFCs. R600a is isobutane and extremely flammable. NIST/TRC Web Thermo Tables (WTT) NIST Standard Reference Subscription Database 3 - Professional Edition Version 2-2012-1-Pro This web application provides access to a collection of critically evaluated thermodynamic property data for pure compounds with a primary focus on organics. Oct 4, 2024 · Refrigerants play a crucial role in the functioning of modern-day refrigeration systems. Properties of Cyclopentane The key properties of cyclopentane that make it worthy of consideration as a refrigerant include: Cyclopentane as a Refrigerant: Mechanism and Efficiency Refrigerants operate within thermodynamic cycles, absorbing heat from one area and releasing it in another to achieve cooling. It is also non-toxic, non-flammable, and non-corrosive, making it safe to use in a variety of applications. Cyclopentane is a flammable alicyclic hydrocarbon with chemical formula C5H10 and CAS number 287-92-3. These industry-standard insulations can have a global warming potential (GWP) as high as 1300 (134a) and 950 (245a). MATERIAL SAFETY DATA SHEET SDS/MSDS SECTION 1: Identification of the substance/mixture and of the company/undertaking Hydrocarbon Refrigerants Cyclopentane - Bulk C 5 H 10 Cyclopentane is manufactured by cracking cyclohexane in the presence of alumina at a high temperature and pressure. Cyclopentane price trends with weekly forecast, supply-demand insights, market trends, production data, chart and suppliers. When it comes to GWPs, the lower the number is, the better it is for the environment, so cyclopentane is clearly irritation eyes, skin, nose, throat; dizziness, euphoria, incoordination, nausea, vomiting, stupor; dry, cracking skin Oct 13, 2024 · Cyclopentane stands out as a superior blowing agent due to its unique physical properties. Follow the links above to find out more about the data in these sites and their terms of usage. Keep away from open flames, hot surfaces and sources of ignition. It is also used as a blowing agent to expand the insulation, improving its effectiveness. The fridge should have a label with a model number and serial number, and on it you'll find the refrigerant (R600a, R134A, R290, etc). Its low thermal conductivity and high insulating efficiency allow for the creation of thinner walls in refrigerators without compromising insulation performance. Find out its environmental benefits, limitations, and safety protocols. , retail food refrigeration, central residential air conditioning, chillers, and industrial process refrigeration) must have refrigerant recovered in accordance with EPA's requirements for servicing prior to their disposal. May 28, 2024 · Cyclopentane is a hydrocarbon with low boiling point, high heat transfer coefficient, and low environmental impact. The information in CAMEO Chemicals comes from a variety of data sources. Welcome to consult the quotation with us. They are the compounds responsible for transferring heat and enabling the cooling process. If there is more than one carbon atom but no What is Cyclopentane? Cyclopentane is a chemical compound classified as a saturated hydrocarbon, comprised of five carbon atoms arranged in a ring. Highly flammable liquid with very low global warming potential finding its place as a replacement for more traditional HCFC/HFC blowing agents. 00 Samsung refrigerator 6 years ago. Ensure adequate ventilation. It has low global warming potential (GWP) and is considered environmentally friendly compared to some other refrigerants Explore the properties, production, applications, and safety aspects of cyclopentane, a versatile cyclic alkane. ISO Containers are approved by UN, RID/ADR, CSC, AAR-600, DOT, TC, TIR R600a is an HFC-free refrigerant with no ozone depletion potential and a lower global warming potential compared to earlier refrigerants. It is used as a blowing agent in polyurethane foam and as a minor component of automobile fuel, but not as a refrigerant. are R134a and R245fa. HC Refrigerant HC is the abbreviation of hydrocarbon refrigerant, which does not contain halogen element compounds. In this article we’re going to take an in-depth look at the isobutane refrigerant also known as R-600a. Supplier's details: China leading provider of HFC Refrigerant and HCFC Refrigerant, Chengdu Henbin Refrigeration Co. When released into the Jan 14, 2025 · Identifying a refrigerant leak can be challenging, especially if you are unsure of what the coolant smells like. 3 Details of the supplier of the safety data sheet Chemos GmbH & Co. Learn its properties, environmental benefits (zero ODP, low GWP), and applications in modern refrigeration technology. Jul 24, 2025 · Need C5H10 refrigerant for industrial cooling? Discover low-GWP, non-toxic formulas from verified suppliers. The tables contained on this page list approved refrigerant numbers from Standard 34, which describes a shorthand way of naming refrigerants and assigns safety classifications based on toxicity and flammability data. Why Cyclopentane? Well its cheap and it is "green". It is known to be highly flamable, but does the circulating freezer air toxify the food? Respiratory protection Where risk assessment shows air-purifying respirators are appropriate use a full- face respirator with multi-purpose combination (US) or type AXBEK (EN 14387) respirator cartridges as a backup to engineering controls. Apr 15, 2023 · Cyclopentane is a blowing agent for the polyurethane foams that are used to insulate refrigerators and freezers. Traditional Refrigerants Traditionally Feb 28, 2025 · Abstract Cyclopentane has become a cornerstone in the production of modern refrigerators, serving as an efficient and environmentally friendly blowing agent for polyurethane foam insulation. R600a R290 R1270 Cyclopentane PRODUCT LIST HC Refrigerant R600a Refrigerant R290 Refrigerant R1270 Refrigerant Cyclopentane HFC Refrigerant R32 Refrigerant R134A… May 1, 2025 · In this study, a detailed comparison was made between the Organic Rankine Cycle-Vapor Compression Refrigeration Cycle (ORC-VCRC) and the novel Organic Rankine Cycle-Ejector Booster Refrigeration Cycle (ORC-EBRC), which was developed as an alternative, using the environmentally friendly refrigerant cyclopentane. * Further information can be found in the latest Oct 7, 2023 · What Is r600a Refrigerant?1. Keep Cyclopentane out of a confined space, such as a sewer, because of the possibility of an explosion, unless the sewer is designed to prevent the build-up of explosive concentrations. * Further information can be found in the latest version of May 26, 2016 · Below, you will find four popular refrigerants that are safe and suitable alternatives to freon. After 6 years the fridge sprung a leak and could only maintain 50 degrees F. The label is misleading, the cyclopentane is from the insulating foam and is no longer an explosion hazard after the foam has cured. One such refrigerant that has gained popularity in recent times is R600a. market use cyclopentane? A: There are other manufacturers currently selling refrigerators in the U. This quality is particularly advantageous in domestic and commercial appliances that require consistent cooling performance. Its ozone depletion potential (ODP) is 0 and has a low global warming potential (GWP). Chemical Safety Data Sheet GHS Productidentifier: Cyclopentane. Unlike synthetic refrigerants, r600a has zero ozone depletion potential and a minimal global warming potential. [6][7] While cyclopentane is not typically used as a refrigerant, it is common for domestic appliances that are insulated with cyclopentane-based foam, such as refrigerators and What is R600a Refrigerant? R600a is a hydrocarbon refrigerant that is manufactured from natural sources, making it an eco-friendly alternative compared to traditional refrigerants. Do not get in eyes, on skin, or on clothing. The cyclopentane structure consists of a pentagonal cyclic chain with an unbranched appearance. Yes, cyclopentane is used as a refrigerant, particularly in the insulation of refrigerators and freezers. S. R-600a is a natural refrigerant classified under the hydrocarbon (HC) family. CYCLOPENTANE's storage should be done accordingly. This article delves into the reasons why cyclopentane is increasingly favored in refrigeration systems, its benefits, challenges, and its promising future in the industry. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Jan 27, 2025 · Cyclopentane (CAS 287-92-3) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices Marcia L. Understanding Cyclopentane Cyclopentane is a saturated hydrocarbon with the molecular formula C5H10. GE Appliances is committed to reducing the environmental impacts of our business and products. It could be used as a refrigerant except that it is rather flammable. Using cyclopentane results in significant reductions in equivalent CO 2 emissions. Moreover According to ASHRAE standard 34, the R-number of a chemical refrigerant is assigned systematically according to its molecular structure and has between two and four digits. Very non-polar solvent Process medium in the production of polyethylene, especially LLDPE Refrigerant R601 Area of application Cyclopentane Cyclopentane has significantly different properties than the other two isomers of Pentane. Cyclopentane is used as an adjunct solvent in chemicals and pharmacological products due to its high liquid vapor and boiling Bought a $3000. The freezer compressor is r134a, but the refrigerator circuit is r600a. Types of cyclopentane refrigerant Cyclopentane Cyclopentane refrigerant is a hydrocarbon belonging to the saturated organic family with five carbon atoms and ten hydrogen ones. They undergo phase changes – from liquid to gas and back – as they circulate through the refrigeration system. Huber The following tables give the thermal conductivity of some common gases (Table 1) and selected refrigerants (Table 2) as a function of temperature. Cyclopentane & Blowing Agents A-Gas is a major supplier of blowing agents to the foam insulation markets. By January 2022, all household refrigerators (except for larger built-in refrigerators and freezers) will be required by regulations to use lower global warming CycloPentane, cyclopentane, CYCLOPENTANE, CYCLOPEN Fluid Information # REFPROP Validation Data # Note This figure compares the results generated from CoolProp and those generated from REFPROP. What are the facts on this refrigerant? The Hazard fields include special hazard alerts air and water reactions, fire hazards, health hazards, a reactivity profile, and details about reactive groups assignments and potentially incompatible absorbents. 8 Information for each of the UN Model Regulations Agreement concerning the International Carriage of Dangerous Goods by Road (ADR)Additional information Proper shipping name CYCLOPENTANE Particulars in the transport document UN1146, CYCLOPENTANE, 3, II, (D/E) Classification code F1 Danger label(s) 3 Excepted quantities (EQ) Aug 20, 2020 · From the obtained results, among all investigated refrigerants, cyclopentane is the most suitable refrigerant for the two cycles from the viewpoint of energy efficiency. Its cyclic structure differentiates it from straight-chain alkanes, providing it with unique characteristics that may be advantageous for refrigeration applications. 14. I had to jump through some serious hoops to get me some Dec 15, 2021 · Curious about refrigerant? Learn about this fantastic chemical that enables your home and business to stay cool—no matter how hot it gets. Oct 3, 2024 · Why Is Proper Disposal and Recycling Important? Environmental Impact Proper disposal and recycling of refrigerants play a significant role in reducing their harmful impact on the environment. r600a refrigerant, also known as isobutane, is a natural refrigerant that is gaining popularity due to its environmentally friendly properties. This article delves into the reasons behind its adoption, focusing on its environmental benefits, energy efficiency, and the regulatory climate that promotes its use. Compare prices and specs now - click for instant sourcing! Aug 18, 2022 · Cyclopentane – A Blowing Agent for the Polyurethane Foams Cyclopentane is usually used as a new, more environmentally friendly insulation material in the manufacture of select refrigerators and freezers. Mar 18, 2019 · Among these natural refrigerants under a subset category are what’s known as hydrocarbon refrigerants. Take Cyclopentane Makes Positive Impact in Decatur, Ala. These properties make cyclopentane more suitable for applications that require high insulation performance, low energy consumption, and low environmental impact. Unlike hydrofluorocarbons (HFCs), R600a has a much lower global warming potential, making it a preferred option in many countries, particularly in Europe. g. However, there has been some debate surrounding its safety and efficiency. Jan 24, 2025 · Cyclopentane is increasingly being utilized as a refrigerant due to several compelling factors. Providing you with competitive price and good service, we're expecting you to buy our quality products. Jan 11, 2011 · The most common foam-blowing agents currently used in the U. If the respirator is the sole means of protection, use a full-face supplied air respirator. Isobutane is your refrigerant and is still a fire hazard but the risk is very low and not different from the fridge and AC unit in your apartment. These data were generated through dynamic data analysis, as implemented in the NIST software package Feb 18, 2022 · An entire industry is now being impacted by an entirely new refrigerant being used in household and commercial refrigeration systems. This article explores its role, the importance of purity levels, and the factors influencing its performance in both standard and sensitive household refrigerators. The other commenters are correct that it's cyclopentane, but it isn't the refrigerant. Le cyclopentane est un composé chimique de formule C 5 H 10. It's a blowing agent used to form the insulation foam in the refrigerator. By converting their refrigeration manufacturing sites to have cyclopentane foam blowing processes, they significantly reduce greenhouse gas emissions. Handling and storage Wear personal protective equipment/face protection. Refrigerants: n-Pentane can be used as a refrigerant in air conditioning or refrigeration systems, as an alternative to ammonia or fluorinated hydrocarbons. Nov 1, 2024 · Discover cyclopentane's rise as a sustainable refrigerant substitute in commercial and residential use, promoting energy efficiency and environmental friendline I am seeing a label "CYCLOPENTANE" on the back of freezers and fridges. This represents a 99 percent reduction in GHG emissions compared to the f By using cyclopentane, GE will actually reduce the GHG emissions of the entire Decatur manufacturing facility by more than 80 percent. Jan 7, 2025 · Learn about cyclopentane, a cycloalkane hydrocarbon used as a refrigerant in specialized cooling systems and foam insulation. It is widely used in cooling applications, such as refrigerators, freezers, and commercial systems, but it is also flammable and requires safety precautions. C'est un cycloalcane — alcane cyclique — pentagonal dont deux atomes de carbone sont situés de part et d'autre du plan formé par les trois autres. Cyclopentane will become the protagonist of the polyurethane foaming field. This capability leads to a reduction in the overall size of the refrigeration units, enhancing aesthetic appeal and space efficiency. Cyclopentane used in many industry applications Cyclopentane is a simple hydrocarbon compound with various industrial and commercial applications. Other means ofidentification: / Recommended use ofthe chemical and restrictions on use: This material can be used as analytical reagent, solvent, etc. Jan 24, 2024 · Cyclopentane has a higher boiling point, lower vapor pressure, lower vapor thermal conductivity, and higher solubility than cyclo/iso-pentane. Your institution may already be a subscriber. Oct 11, 2024 · Refrigerants: As a refrigerant, cyclopentane’s ability to absorb and release heat efficiently enables refrigerators to operate more effectively. I looked up MSDS on this chemical and there are some risks associated with the contact with this chemical, dizziness to coma. . In this article, we will take a closer look at R600a refrigerant to Aug 29, 2023 · Cyclopentane is a colorless, highly flammable liquid commonly used as a blowing agent in insulation foam production and as a solvent in chemical industries. If there are carbon -carbon multiple bonds, there are four digits in all: the number of these bonds is the first digit and the number of carbon atoms minus one (C-1) is next. In contrast, the foam-blowing agent cyclopentane has a GWP of approximately 10. Unlike some other chemicals used to insulate refrigerators, cyclopentane does not contain hydro-fluorocarbons (HFCs). In particular, the invention relates to azeotropic Compositions comprising (1) cyclopentane and a fluorocarbon; (2) cyclopentane and a hydrofluoroether or (3) cyclopentane and contain a fluorinated sulfur compound. We have continued to grow with the development of next-generation blowing agents, offering a variety of hydrocarbon products for the PIR, PUR, and EPS markets, available in ISO tanks and drums. Professional supplier for cyclopentane refrigerant r134a r600a r 600 gas price. I looked it up and according to Wikipedia it doesn't list it as a common refrigerant but does say it's used in high density insulation foams used in making freezers. I am seeing a label "CYCLOPENTANE" on the back of freezers and fridges. HFCs are powerful greenhouse gases (GHGs) with GWPs hundreds to thousands of times more potent per pound than carbon dioxide (CO2); however, more low-GWP alternatives are becoming available. Use only non-sparking tools. One such refrigerant that has gained recognition is cyclopentane. Find energy efficient refrigerators at http Product use Synonym SDS # Supplier's details : Synthetic/Analytical chemistry. This has wide ranging impacts on the appliance repair industry AND the consumer purchasing products with flammable refrigerant inside of a sealed system. Therefore, it is very rarely used as a solvent or as a basic building block in fine chemicals. Notes Go To: Top Data from NIST Standard Reference Database 69: NIST Chemistry WebBook The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. In Table 1, the thermal conductivity values refer to a pressure of 100 kPa (1 bar) or to the saturation vapor pressure if that is less than 100 kPa. Q: Why hasn’t cyclopentane caught on in GreenFreeze uses naturally occurring hydrocarbons, mainly isobutene as the refrigerant and cyclopentane as the insulation foam-blowing agent, or the foam that insulates the doors and walls of fridges. Q: Do other refrigerators available in the U. NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. Its chemical name is isobutane (C4H10), and it is known for being environmentally friendly with zero ozone depletion potential (ODP). In this video, I have charged r600a Refrigerant/ Gas in a refrigerator, and I have fixed the leak in this fridge as well, which will be very helpful for you to braze the pipe when you charge the Apr 15, 2023 · Q: Are there significant insulating advantages, as well? A: Yes, cyclopentane is approximately 4 percent more efficient than the R134a foam we currently use in most of our products. tric tons of CO2 equivalent in Decatur, Ala. To avoid ignition of vapors by static electricity discharge, all metal parts of the equipment must be grounded. 2. 1. GE takes Leadership Role in the U. It Sep 29, 2025 · Disposal of Equipment Dismantled On-site Refrigeration and air-conditioning equipment that is typically dismantled on-site before disposal (e. Some examples of hydrocarbon refrigerants are propane, butane, ethyl, and isobutane. Is it harmful if it leaked into the air? What is it used for? What is the chance of it leaking into the air? How would I know if it is in the air? Would there be health symptoms? Is there any air monitor device that can detect and alert of its presence in the air? Thanks. ashrae pyramids The tables contained on this page list approved refrigerant numbers from ANSI/ASHRAE 34-2019, Designation and Safety Classification of Refrigerants, the latest edition of Standard 34, which describes a shorthand way of naming refrigerants and assigns safety classifications based on toxicity and flammability data. However, NIST makes no warranties to that effect, and NIST shall not be Simultaneously, the seasonal transition towards summer spurred increased demand from the refrigerant and foam-blowing industries, which are key consumers of Cyclopentane. Jun 8, 2022 · Is Your Refrigerator Running on R600a? Here's Why It Should This refrigerant has low global warming potential and you can catch it now. Its molecular formula is C5H10. In addition, some entries are provided at the low-pressure limiting value (the Designation and Safety Classification of Refrigerants Approved by the ASHRAE Standards Committee on January 19, 2008; by the ASHRAE Board of Directors on January 23, 2008; and by the American National Standards Institute on January 24, 2008. KG Sonnenring 7 84032 Altdorf Germany Jan 9, 2024 · Cyclopentane has the best insulating effect, while n-Pentane and Isopentane have more stable and finer foam cells². Certain refrigerants, such as chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs), are known to contribute to the depletion of the ozone layer and global warming. I’m assuming that this chemical is largely contained in the fridge but if it were to leak due to manufacturing/shipping issues how would I know??? (I have been Cyclopentane Refrigerant is known for its low global warming potential, which reduces the environmental impact of refrigeration and air conditioning systems. Cyclopentane vs. It is use as Cyclopentane can replace freon and is widely used as a heat preservation material for refrigerators and freezers and as a blowing agent for other rigid PU foams. Regular maintenance, early detection – these are your weapons against the villainous leak. Cyclopentane is a blowing agent for the polyurethane foams that are used to insulate refrigerators and freezers. Avoid ingestion and inhalation. Mar 22, 2015 · ASHRAE Refrigerant Designations The tables contained on this page list approved refrigerant numbers from ANSI/ASHRAE 34-2013, Designation and Safety Classification of Refrigerants, the latest edition of Standard 34, which describes a shorthand way of naming refrigerants and assigns safety classifications based on toxicity and flammability data. 7. How common is C5H10 as a refrigerant? I got a new chest freezer and see the refrigerant is C5H10 (cyclopentane). Background This fact sheet provides current information on low global warming potential (GWP)1 alternative refrigerants to high-GWP hydrofluorocarbons (HFCs) for use in domestic refrigeration equipment. Jul 1, 2021 · Cyclopentane as a blowing agent for insulating foam enables greater energy efficiency in refrigerators, refrigerated trailers and cold storage facilities. Here are some of its uses: Refrigerant: Cyclopentane is used as a refrigerant in refrigeration and air conditioning systems. SYNONYMS: Pentamethylene ciclopentano cyclopentan Zyklopentan Zeonsolv HP Hydrocarbons, cyclic C5 and C6 Cyclopentane, 97%, extra pure refrigerant cyclopentane High purity cyclopentane Blowing agent cyclopentane Trans-cyclopentane Cyclopentane, HPLC Grade An acute exposure due to inhalation of cyclopentane can result in light headedness. Physical Properties of R600a To better understand R600a’s Jan 19, 2022 · Does the refrigerant, cyclopenatane, contaminate the food stored in the freezer. Unlike some other chemicals used to insulate refrigerators, cyclopentane does not contain hydro- fluorocarbons (HFCs). These data were generated through dynamic data analysis, as implemented in the NIST software package NIST/TRC Web Thermo Tables (WTT) NIST Standard Reference Subscription Database 3 - Professional Edition Version 2-2012-1-Pro This web application provides access to a collection of critically evaluated thermodynamic property data for pure compounds with a primary focus on organics. htb ugw dfj4b kxyasrf tag cm3e ksc u9 qjudi 73ugn