Basic information
- Name:
Ethane,1,1,1,2-tetrafluoro-
- Superlist Name:
- 1,1,1,2-Tetrafluoroethane
- CAS No.:
811-97-2
- Molecular Structure:

- Formula:
- C2H2F4
- Molecular Weight:
- 102.04
- Synonyms:
- HC 134a;HCFC 134a;HFA 134;HFA 134a;HFA P134a;HFC 134a;Halon 134A;KLEA 134a;Khladon 134a;Meforex 134a;Norflurane;P 134A;R 134a;RF 134a;Refrigerant R 134a;SUVA134a;Solkane 134a;TG 134a;1,2,2,2-Tetrafluoroethane;AK 134a;Arcton 134a;Ecolo Ace 134a;F 134A;FC134a;Forane 134a;Freon 134a;Fron 134a;Genetron 134a;
- EINECS:
- 212-377-0
- Density:
- 1.223 g/cm3
- Melting Point:
- -101 °C
- Boiling Point:
- -26.2 °C
- Appearance:
- colourless gas or cryogenic liquid
- Hazard Symbols:
Xi- Safety Description:
- 23-38 Details
- Transport Information:
- UN 3159
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*Required Fields
Chemistry
Empirical Formula: C2H2F4
Molecular Weight: 102.0309 g/mol
EINECS: 212-377-0
Index of Refraction: 1.225
Density: 1.223 g/cm3
Vapour Pressure: 6630 mmHg at 25 °C
Melting point: -101 °C
Boiling Point: -26.5 °C(lit.)
Appearance: A colorless gas with a slight ethereal odor
Structure of 1,1,1,2-Tetrafluoroethane (CAS NO.811-97-2):
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IUPAC Name: 1,1,1,2-Tetrafluoroethane
Product Category of 1,1,1,2-Tetrafluoroethane (CAS NO.811-97-2): refrigerants;Organics;Gas Cylinders;Halides (Low Boiling point);Synthetic Organic Chemistry;pharmaceutical raw material;veterinary medicine
Uses
1,1,1,2-Tetrafluoroethane (CAS NO.811-97-2) can be used as refrigerant instead of R12.
Toxicity Data With Reference
| 1. | ihl-rat TCLo:50,000 ppm/6H/2Y-I:NEO | FAATDF Fundamental and Applied Toxicology. 25 (1995),271. | ||
| 2. | ihl-rat LC :>81 pph/1H | HETOEA Human & Experimental Toxicology. 14 (1995),715. | ||
| 3. | ihl-mus LC :>81 pph/1H | HETOEA Human & Experimental Toxicology. 14 (1995),715. | ||
| 4. | ihl-dog LC :>32 pph/1H | HETOEA Human & Experimental Toxicology. 14 (1995),715. |
Safety Profile
An asphyxiation hazard. Questionable carcinogen with experimental neoplastigenic data. When heated to decomposition it emits toxic vapors of F−.
Hazard Codes:
Xi
Safety Statements: 23-38
S23:Do not breathe vapour.
S38:In case of insufficient ventilation, wear suitable respiratory equipment.
Standards and Recommendations
DFG MAK: 1000 ppm
Specification
1,1,1,2-Tetrafluoroethane , its cas register number is 811-97-2. It also can be called Norflurane ; and Ethane, 1,1,1,2-tetrafluoro- .

