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| CAS No.: | 811-97-2 |
|---|---|
| Name: | 1,1,1,2-Tetrafluoroethane |
| Article Data: | 86 |
| Cas Database | |
| Molecular Structure: | |
|
|
|
| Formula: | C2H2F4 |
| Molecular Weight: | 102.031 |
| 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 |
| Solubility: | 1g/L at 25℃ |
| Appearance: | colourless gas or cryogenic liquid |
| Hazard Symbols: |
 Xi
|
| Safety: | 23-38 |
| Transport Information: | UN 3159 |
| PSA: | 0.00000 |
| LogP: | 1.51820 |
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| Conditions | Yield |
|---|---|
| With hydrogen | |
| With lithium aluminium tetrahydride In tetrahydrofuran Ambient temperature; | |
| Irradiation; electroreduction, solid polymer electrolyte, Ag/AgCl reference electrode; | |
| With hydrogen at 350 - 750℃; under 300.03 Torr; for 0.000277778h; Autoclave; |
| Conditions | Yield |
|---|---|
| With hydrogen fluoride; chromium; magnesium | |
| With hydrogen fluoride Heating; | |
| With hydrogen fluoride; aluminum oxide; chromium(III) oxide; magnesium oxide; zinc(II) oxide at 350℃; Fluorination; |
- 2837-89-0
1,1,1,2-tetrafluoro-2-chloroethane
A
- 811-97-2
1,1,1,2-tetrafluoroethane
B
- 359-11-5
1,1,2-trifluoroethylene
| Conditions | Yield |
|---|---|
| With methylene chloride; oxygen; nickel at 650 - 725℃; under 1277.21 Torr; Product distribution / selectivity; | A 28% B n/a |
| With methane; oxygen; nickel at 675℃; under 1277.21 Torr; Product distribution / selectivity; | |
| With methane; oxygen; palladium on activated charcoal at 675℃; under 1277.21 Torr; Product distribution / selectivity; |
| Conditions | Yield |
|---|---|
| With hydrogen In dichloromethane at 20℃; under 760 Torr; |
| Conditions | Yield |
|---|---|
| With hydrogen at 350 - 750℃; under 300.03 Torr; for 0.000277778h; Autoclave; |
| Conditions | Yield |
|---|---|
| With cobalt (III) fluoride at 10℃; for 0.166667h; Inert atmosphere; | 34% |
- 374-07-2
1,1-dichlorotetrafluoroethane
A
- 75-72-9
chlorotrifluoromethane
B
- 811-97-2
1,1,1,2-tetrafluoroethane
| Conditions | Yield |
|---|---|
| With methane; oxygen; Ba(NO3)2, γ-alumina, dried at 180-450C, heated to 550C, calcined at 600C, oxidized at 450C at 600℃; under 873.827 - 904.856 Torr; Product distribution / selectivity; | |
| With methane; oxygen; Ba(NO3)2, CsNO3, γ-alumina, dried at 180-450C, heated to 550C, calcined at 600C, oxidized at 450C at 550 - 678℃; under 873.827 - 904.856 Torr; Product distribution / selectivity; | |
| With methane; oxygen; Ba(NO3)2, CsNO3, Co(NO3)2, γ-alumina, dried at 180-400C, heated to 550C, calcined at 575C, oxidized at 400-475C at 600℃; under 873.827 - 904.856 Torr; Product distribution / selectivity; |
- 2837-89-0
1,1,1,2-tetrafluoro-2-chloroethane
A
- 811-97-2
1,1,1,2-tetrafluoroethane
B
- 75-38-7
Vinylidene fluoride
C
- 359-11-5
1,1,2-trifluoroethylene
| Conditions | Yield |
|---|---|
| In water at 350 - 820℃; under 300.03 Torr; for 8.33333E-05h; Autoclave; |
| Conditions | Yield |
|---|---|
| With potassium fluoride; diethylene glycol at 210 - 240℃; under 500 Torr; | |
| With potassium fluoride; potassium carbonate; [2.2.2]cryptande In acetonitrile at 115℃; under 1050.08 Torr; for 0.416667h; Yield given; |
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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):
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- .