2-BROMO-3,3,3-TRIFLUOROPROPENE Chemical Properties

Boiling point:

29-30 °C(lit.)

Density 

1.686

vapor pressure 

82kPa at 25℃

refractive index 

n20/D 1.3550(lit.)

Flash point:

~−10 °F

storage temp. 

2-8°C

form 

Liquid

Specific Gravity

1.686

color 

Clear colorless

Water Solubility 

Soluble in most organic solvents, immiscible with water.

Stability:

Stable, but extremely flammable. Incompatible with strong oxidizing agents.

InChI

1S/C3H2BrF3/c1-2(4)3(5,6)7/h1H2

InChIKey

QKBKGNDTLQFSEU-UHFFFAOYSA-N

SMILES

FC(F)(F)C(Br)=C

LogP

2.7 at 25℃ and pH7

Surface tension

72mN/m at 1g/L and 20℃

CAS DataBase Reference

1514-82-5(CAS DataBase Reference)

EPA Substance Registry System

1-Propene, 2-bromo-3,3,3-trifluoro- (1514-82-5)

Safety Information

Hazard Codes 

F+,F,Xi

Risk Statements 

12-66

Safety Statements 

24-36

RIDADR 

UN 1993 3/PG 1

WGK Germany 

3

Hazard Note 

Extremely Flammable

TSCA 

TSCA listed

HazardClass 

IRRITANT, GAS

PackingGroup 

I

HS Code 

29037990

Storage Class

10 - Combustible liquids

Hazard Classifications

Repr. 2
STOT SE 3

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

2-BROMO-3,3,3-TRIFLUOROPROPENE Usage And Synthesis

Chemical Properties

liquid

Uses

It is used as intermediate in production of organ fluorine compounds & as a monomer in fluoropolymer production. It is used as a trifluoromethylated synthetic building block for the synthesis of trifluoromethyl-substituted molecules.

General Description

2-Bromo-3,3,3-trifluoro-1-propene can be added to N₂ gas in order to enhance its fire suppression efficiency.

Synthesis

(1) 1.6g of mesoporous sulfonic acid and 160g (1 mol) of liquid bromine were added to a three-necked flask with a thermometer, a gas guide tube and a reflux condenser tube, and the temperature was raised to 35 ?? with stirring, and 91.2g (0.95 mol) of 3, 3, 3-trifluoro-propene was started to pass through the flux, which finished about 2h, the reaction was continued to be stirred at the temperature of 35 ?? for 0.5h, and the reaction was cooled down to room temperature, the catalyst was filtered out, and the reaction liquid was obtained. The catalyst was filtered out to obtain the reaction liquid. The filtered catalyst can be reused.

(2) In a three-mouth flask with a thermometer, constant pressure dropping funnel and atmospheric distillation device, add 200g of 25% aqueous sodium hydroxide solution, warm to 75 ?? ~ 85 ?? with stirring, dropwise addition of the reaction liquid obtained from step (1), and at the same time, distillation, receiving 32 ~ 36 ?? fraction, to obtain the 2-bromo-3, 3, 3-trifluoropropene.

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