Chemical |
n-Nitrosodiethylamine |
CAS-number : |
55-18-5 |
|
Synonyms : |
n-nitrosodietyyliamiini |
|
Sumformula of the chemical : |
C4H10N2O |
EINECS-number : |
2002261 |
|
Photochemical degradation in air : |
Atmospheric photolysis half-life:
4hr - 8hr,
based upon measured rates for sunlight photolysis in water
(Howard 1991).
Photooxidation half-life in air:
3.7hr - 37hr,
scientific judgement based upon estimated rate constant for
reaction with hydroxyl radical in air (Howard 1991).
|
|
Photochemical degradation in water : |
Aquatic photolysis half-life: 4hr - 8hr,
based upon measured rates for sunlight photolysis in water
(Howard 1991).
|
|
Half-life in air, days : |
0.17 |
4hr - 8hr, |
0.33 |
based upon measured rate for sunlight |
|
photolysis in water, |
|
Howard 1991 |
|
Half-life in soil, days : |
20 |
20d - 6mo, |
180 |
based upon aerobic soil die-away data, |
|
Howard 1991 |
|
Half-life in water, days : |
0.17 |
4hr - 8hr, |
0.33 |
in surface water, based upon measured rates for |
|
sunlight photolysis in water, |
40 |
40d - 12mo, |
360 |
in ground water, scientific judgement based upon |
|
estimated unacclimated aqueous aerobic |
|
biodegradation half-lives, |
|
Howard 1991 |
|
Aerobic degradation in water : |
Aerobic half-life:
20d - 6mo, based upon aerobic soil die-away data (Howard 1991). |
|
Anaerobic degradation in water : |
Anaerobic half-life:
80d - 24mo, scientific judgement based upon etimated
unacclimated aqueous aerobic biodegradation half-lives
(Howard 1991).
|
|
LC50 values to fishes, mg/l : |
775 |
96hr, Pimephales promelas |
|
Draper & Brewer 1979 |
References |
359 | Draper, A.C. & Brewer, W.S. 1979.
Measurement of the aquatic
toxicity of volatile nitrosoamines.
J.
Toxicol.
Environ.
Health
5: 985. |
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.
|