R143A（CAS 27987-06-0）：分子式 C2H3F3、分子量 84.04。
| CAS号 | 27987-06-0 |
|---|---|
| 分子式 | C2H3F3 |
| 分子量 | 84.04 |
| 熔点 | -111.8 °C |
| 沸点 | -47.20 °C |
| LogP | 1.7 |
| 应用领域 | Uses: Refrigerant、Blend component for air conditioning systems、Intermediate for the manufacture of vinylidene fluoride、... used to make other chemicals and may be used as a refrigerant.、Industry Uses: Refrigerants、Not Known or Reasonably Ascertainable、Consumer Uses: Refrigerants、Methods of Manufacturing: Higher temperatures and higher hydrogen fluoride-to-substrate ratios are necessary to achieve complete replacement of all chlorine atoms in the starting chloro compounds by fluorine. Both liquid-phase halogen exchange in the presence of catalysts、such as antimony(V) or tin(IV) chlorofluorides and vapor phase reactions using solid-phase catalysts based on chromium are employed. Preferred starting materials are chloroform for HFC 23、dichloromethane for HFC 32、and 1、1、1-trichloroethane for HFC 143a. The conversion of tetrachloroethylene to HFC 125 and trichloroethylene to HFC 134a involves initial HF-addition across the double bond followed by a series of chlorine-fluorine exchange reactions.、U.S. Production: 2023: 4、000、000 - <5、500、000 lb、2022: 4、2021: 40、000 - <55、2020: 10、000 - <25、Non-confidential 2012 Chemical Data Reporting (CDR) information on the production and use of chemicals manufactured or imported into the United States. Chemical: Ethane、1-trifluoro-. National Production Volume: 17、846、459 lb、yr.、General Manufacturing Information: All Other Basic Inorganic Chemical Manufacturing、Electrical Equipment、Appliance、and Component Manufacturing、All Other Chemical Product and Preparation Manufacturing、Other (requires additional information)、Industrial Gas Manufacturing、Machinery Manufacturing、Ethane、1-trifluoro-: ACTIVE |
登记用途：Uses: Refrigerant、Blend component for air conditioning systems、Intermediate for the manufacture of vinylidene fluoride、... used to make other chemicals and may be used as a refrigerant.、Industry Uses: Refrigerants、Not Known or Reasonably Ascertainable、Consumer Uses: Refrigerants、Methods of Manufacturing: Higher temperatures and higher hydrogen fluoride-to-substrate ratios are necessary to achieve complete replacement of all chlorine atoms in the starting chloro compounds by fluorine. Both liquid-phase halogen exchange in the presence of catalysts、such as antimony(V) or tin(IV) chlorofluorides and vapor phase reactions using solid-phase catalysts based on chromium are employed. Preferred starting materials are chloroform for HFC 23、dichloromethane for HFC 32、and 1、1、1-trichloroethane for HFC 143a. The conversion of tetrachloroethylene to HFC 125 and trichloroethylene to HFC 134a involves initial HF-addition across the double bond followed by a series of chlorine-fluorine exchange reactions.、U.S. Production: 2023: 4、000、000 - <5、500、000 lb、2022: 4、2021: 40、000 - <55、2020: 10、000 - <25、Non-confidential 2012 Chemical Data Reporting (CDR) information on the production and use of chemicals manufactured or imported into the United States. Chemical: Ethane、1-trifluoro-. National Production Volume: 17、846、459 lb、yr.、General Manufacturing Information: All Other Basic Inorganic Chemical Manufacturing、Electrical Equipment、Appliance、and Component Manufacturing、All Other Chemical Product and Preparation Manufacturing、Other (requires additional information)、Industrial Gas Manufacturing、Machinery Manufacturing、Ethane、1-trifluoro-: ACTIVE。
R143A 是一种化工化合物，登记 CAS 号为 27987-06-0，分子式 C2H3F3（分子量 84.04）。
登记 CAS 号：27987-06-0
其分子式 C2H3F3 由 2 个碳、3 个氢、3 个氟 组成。
别名/同义词：R143A
R143A 的 CAS 登记号为 27987-06-0。
分子式 C2H3F3，分子量 84.04。
别名/同义词：R143A。
登记用途：Uses: Refrigerant、Blend component for air conditioning systems、Intermediate for the manufacture of vinylidene fluoride、... used to make other chemicals and may be used as a refrigerant.、Industry Uses: Refrigerants、Not Known or Reasonably Ascertainable、Consumer Uses: Refrigerants、Methods of Manufacturing: Higher temperatures and higher hydrogen fluoride-to-substrate ratios are necessary to achieve complete replacement of all chlorine atoms in the starting chloro compounds by fluorine. Both liquid-phase halogen exchange in the presence of catalysts、such as antimony(V) or tin(IV) chlorofluorides and vapor phase reactions using solid-phase catalysts based on chromium are employed. Preferred starting materials are chloroform for HFC 23、dichloromethane for HFC 32、and 1、1、1-trichloroethane for HFC 143a. The conversion of tetrachloroethylene to HFC 125 and trichloroethylene to HFC 134a involves initial HF-addition across the double bond followed by a series of chlorine-fluorine exchange reactions.、U.S. Production: 2023: 4、000、000 - <5、500、000 lb、2022: 4、2021: 40、000 - <55、2020: 10、000 - <25、Non-confidential 2012 Chemical Data Reporting (CDR) information on the production and use of chemicals manufactured or imported into the United States. Chemical: Ethane、1-trifluoro-. National Production Volume: 17、846、459 lb、yr.、General Manufacturing Information: All Other Basic Inorganic Chemical Manufacturing、Electrical Equipment、Appliance、and Component Manufacturing、All Other Chemical Product and Preparation Manufacturing、Other (requires additional information)、Industrial Gas Manufacturing、Machinery Manufacturing、Ethane、1-trifluoro-: ACTIVE。
R143A（CAS 27987-06-0）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 27987-06-0 |
|---|---|
| PubChem CID | 9868 |
| Molecular formula | C2H3F3 |
| IUPAC name | 1,1,1-trifluoroethane |
| UNII (FDA) | 84581C5PRN |
| Molecular Weight | 84.04 |
|---|---|
| XLogP3 | 1.7 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 84.01868458 |
| Monoisotopic Mass | 84.01868458 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 5 |
| Boiling Point | -47.20 °C |
|---|---|
| Melting Point | -111.8 °C |
| Density | Density: 1.176 g/mL at -50 °C |
| Vapor Density | 3.1 (Air = 1) |
| Vapor Pressure | 1262 kPa at 298.165 deg K (9465 mm Hg at 25 °C) |
| Heat of Combustion | -4.134X10+8 J/kmol |
1,1,1-TRIFLUOROETHANE; 420-46-2; Methylfluoroform; 1,1,1-Trifluoroform; Fluorocarbon FC143a; HFC-143a; Ethane, 1,1,1-trifluoro-; R 143a; FC143a; 84581C5PRN; DTXSID9042047; RefChem:906566; DTXCID7022047; 206-996-5; Trifluoroethane; 27987-06-0
| Reported hazard statements | H220 (79.5%), H224 (12.1%), H280 (86.8%), H420 |
|---|
H220 (79.5%): Extremely flammable gas [Danger Flammable gases]
H224 (12.1%): Extremely flammable liquid and vapor [Danger Flammable liquids]
R143A · CAS 27987-06-0 · C2H3F3. UNII 84581C5PRN. Boiling Point: -47.20 °C; Melting Point: -111.8 °C; Density: Density: 1.176 g/mL at -50 °C.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: R143A