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1,1,1,2-Tetrafluoroethane
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Name

1,1,1,2-Tetrafluoroethane

 EINECS 212-377-0
CAS No. 811-97-2 Density 1.223 g/cm3
PSA 0.00000 LogP 1.51820
Solubility 1g/L at 25℃ Melting Point -101 °C
Formula C2H2F4 Boiling Point -26.2 °C
Molecular Weight 102.031 Flash Point N/A
Transport Information UN 3159 Appearance colourless gas or cryogenic liquid
Safety 23-38 Risk Codes N/A
Molecular Structure Molecular Structure of 811-97-2 (1,1,1,2-Tetrafluoroethane) Hazard Symbols IrritantXi
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;

Article Data 86

1,1,1,2-Tetrafluoroethane Synthetic route

2837-89-0

1,1,1,2-tetrafluoro-2-chloroethane

811-97-2

1,1,1,2-tetrafluoroethane

Conditions
ConditionsYield
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;
75-88-7

1,1,1-trifluoro-2-chloroethane

811-97-2

1,1,1,2-tetrafluoroethane

Conditions
ConditionsYield
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
ConditionsYield
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;
(aqua)(perfluoroethane)iridium complex

(aqua)(perfluoroethane)iridium complex

A

420-46-2

2,2,2-trifluoroethanol

B

811-97-2

1,1,1,2-tetrafluoroethane

Conditions
ConditionsYield
With hydrogen In dichloromethane at 20℃; under 760 Torr;
2837-89-0

1,1,1,2-tetrafluoro-2-chloroethane

A

34557-54-5

methane

B

811-97-2

1,1,1,2-tetrafluoroethane

Conditions
ConditionsYield
With hydrogen at 350 - 750℃; under 300.03 Torr; for 0.000277778h; Autoclave;
74-86-2

acetylene

811-97-2

1,1,1,2-tetrafluoroethane

Conditions
ConditionsYield
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
ConditionsYield
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
ConditionsYield
In water at 350 - 820℃; under 300.03 Torr; for 8.33333E-05h; Autoclave;
433-06-7

2,2,2-Trifluoroethyl p-toluenesulfonate

811-97-2

1,1,1,2-tetrafluoroethane

Conditions
ConditionsYield
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;
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

359-10-4

1-Chloro-2,2-difluoroethene

D

359-11-5

1,1,2-trifluoroethylene

Conditions
ConditionsYield
In water at 350 - 950℃; under 300.03 Torr; for 8.33333E-05h; Autoclave;

1,1,1,2-Tetrafluoroethane Chemical Properties

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

1,1,1,2-Tetrafluoroethane Uses

 1,1,1,2-Tetrafluoroethane (CAS NO.811-97-2) can be used as refrigerant instead of  R12.

1,1,1,2-Tetrafluoroethane 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.

1,1,1,2-Tetrafluoroethane Safety Profile

An asphyxiation hazard. Questionable carcinogen with experimental neoplastigenic data. When heated to decomposition it emits toxic vapors of F−.
Hazard Codes: IrritantXi
Safety Statements: 23-38 
S23:Do not breathe vapour. 
S38:In case of insufficient ventilation, wear suitable respiratory equipment.

1,1,1,2-Tetrafluoroethane Standards and Recommendations

DFG MAK: 1000 ppm

1,1,1,2-Tetrafluoroethane 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- .

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