1,1 Difluoroethane

1,1 Difluoroethane is a chemical compound composed of carbon, hydrogen

and fluorine. Its molecular formula is <math>C_2 H_4 F_2<math>.

TRADE NAMES/SYNONYMS

MTG MSDS 143, ETHANE, 1,1-DIFLUORO-, ETHYLIDENE FLUORIDE, ETHYLIDEN

DIFLUORIDE, GENETRON 100, GENETRON 152A, DIFLUOROETHANE (R-152A), FREON 152A,

DIFLUOROETHANE, ETHYLENE FLUORIDE, R-152A, DYMEL 152A AEROSOL PROPELLANT, UN

1030, STCC 4905716, C2H4F2, MAT26280, RTECS KI1410000

At normal temperature (25°C) and pressure

(1 atmosphere)it is a colourless gas. it is clasified as a halogenated

aliphatic.

Its is used for refrigeration and as an aerosol propelant, but is being phased out.

Physical information

PHYSICAL STATE: gas

molecular weight: 66.05

molecular formula: C-H3-C-H-F2

boiling point: -13 F (-25 C)

freezing point: -179 F (-117 C)

vapour pressure: 4020 mmHg @ 21.1 C

vapour density (air=1): 2.28 @ 25 C

density: 2.7014 g/L @ 25 C

water solubility: 0.54% @ 0 C

viscosity: 0.00887 cP @ 25 C

safety

major health hazards:centeral nervous system depresion

major physical hazards:[[wiktionary:flammable|flammable] gas. may cause flash fire

effects

inhalation

short term:symptoms of drunkenness

long term:no data

skin

short term:blisters, frostbite

long term:no data

eye contact

short term:irritation, blured vision

long term:no data

ingestion

short term:frostbite

long term:no data

scorces

http://www.matheson-trigas.com/msds/MAT26280.pdf

www.dictionary.com

--richard 02:31, Apr 22, 2005 (UTC)