Chemical |
Trichlorofluoromethane |
CAS-number : |
75-69-4 |
|
Sumformula of the chemical : |
CCl3F |
EINECS-number : |
2008923 |
|
Uses : |
Blowing agent; aerosols.
|
|
Molecular weight : |
137 |
|
Log octanol/water coefficient, log Pow : |
2.4 |
Anon 1988 |
|
Henry's law constant, Pa x m3/mol : |
11000 |
Anon 1988 |
12340 |
calc. Yaws et al. 1991 |
|
Mobility : |
Equilibrium distribution:
mass %
air 99.97
water 0.03
solid 0.00
(Anon 1988)
|
|
Photochemical degradation in air : |
Photooxidation half-life in air:
14.7yr - 147yr,
based upon an measured rate data for the vapor phase reaction
with hydroxyl radicals in air (Howard 1991).
|
|
Half-life in air, days : |
5366 |
14.7yr - 147yr, |
53655 |
scientific judgement based upon estimated |
|
aqueous aerobic biodegradation half-life, |
|
Howard 1991 |
|
Half-life in soil, days : |
180 |
6mo - 1yr, |
360 |
scientific judgement based upon estimated aqueous |
|
aerobic biodegradation half-life, |
|
Howard 1991 |
|
Half-life in water, days : |
180 |
6mo- 1yr, |
360 |
in surface water, scientific judgement based upon |
|
estimated aqueous aerobic biodegradation half-life, |
360 |
12mo - 2yr, |
720 |
in ground water, scientific judgement based upon |
|
estimated aqueous aerobic biodegradation half-life, |
|
Howard 1991 |
|
Aerobic degradation in water : |
Aerobic half-life:
6mo - 1yr,
scientific judgement based upon acclimated aerobic screening
test data (Howard 1991).
|
|
Anaerobic degradation in water : |
Anaerobic half-life:
24mo - 4yr,
scientific judgement based upon estimated aqueous aerobic
biodegradation half-life (Howard 1991).
|
References |
2357 | Anon 1988.
Concentrations of industrial organic chemicals
measured in the environment: The influence of physico - chemical
properties, tonnage and use pattern.
Technical report no 29.
European chemical industry ecology & toxicology centre, ECETOC.
pp. 105. |
3120 | Howard, P.H., Boethling, R.S., Jarvis, W.F., Meylan, W.M. &
Michalenko, E.M., Handbook of Environmental Degradation Rates,
1991.
Lewis Publicers, Inc., Chelsea, Michigan, U.S.A.,
pp. 725.
|
3030 | Yaws, C., Yang, H-C. & Pan, X. 1991.
Henry's law constants for
362 organic compounds in water.
Chemical Engineering.
November.
p 179 - 185. |