| Chemical |
1,2-Dichloropropane |
| CAS-number : |
78-87-5 |
| |
| Synonyms : |
| 1,2-diklooripropaani |
| propyleenidikloridi |
| propyleenikloridi |
| propylene dichloride |
| |
| Sumformula of the chemical : |
| C3H6Cl2 |
| EINECS-number : |
| 2011522 |
| |
| Uses : |
Solvent; Intermediate.
|
| |
| Odor : |
Quality: sweet
Hedonic tone: pleasant
Threshold odour concentration
absolute: 0.25 ppm
50 % recognition: 0.50 ppm
100 % recognition: 0.60 ppm
Odour index 100 % recognition: 87 096
(Hellman & Small 1974)
|
| |
| Molecular weight : |
113 |
| |
| Water solubility, mg/l : |
| 1000 |
> 1000, MITI 1992 |
| |
| Boiling point, °C : |
| 95 |
95 - 96 |
| 96 |
|
| 96.4 |
MITI 1992 |
| |
| Log octanol/water coefficient, log Pow : |
| 2.24 |
Anon 1988 |
| |
| Henry's law constant, Pa x m3/mol : |
| 280 |
Anon 1988 |
| 271 |
calc. Yaws et al. 1991 |
| |
| Mobility : |
Equilibrium distribution:
mass %
air 98.95
water 1.02
solid 0.02
(Anon 1988)
|
| |
| Photochemical degradation in air : |
Photooxidation half-life in air:
2.7d - 26.9d,
scientific judgement based upon an estimated rate constant for
the vapor phase reaction with hydroxyl radicals in air
(Howard 1991).
|
| |
| Hydrolysis in water : |
First-order hydrolysis half-life
15.8yr,
scientific judgement based upon reported rate constant (kN =
5.0 x 10-6hr-1) at pH 7 to 9 and 25°C (Howard 1991).
|
| |
| Hydrolysis in base : |
Base rate constant:
4.3 x 10-4 M-1 hr-1 (Howard 1991).
|
| |
| Half-life in air, days : |
| 2.7 |
2.7d - 26.9d, |
| 26.9 |
scientific judgement based upon estimated |
| |
photooxidation half-life in air, |
| |
Howard 1991 |
| |
| Half-life in soil, days : |
| 55 |
Li et al. 1990 |
| |
-- |
| 167 |
167d - 3.5yr, |
| 1277.5 |
scientific judgement based upon estimated |
| |
aqueous aerobic biodegradation half-life, |
| |
Howard 1991 |
| |
| Half-life in water, days : |
| 167 |
167d - 3.5yr, |
| 1277.5 |
in surface water, scientific judgement based upon |
| |
estimated aqueous aerobic biodegradation half-life, |
| 334 |
334d - 7.1yr, |
| 2591.5 |
in groud water, scientific judgement based upon |
| |
estimated aqueous aerobic biodegradation half-life, |
| |
Howard 1991 |
| |
| Aerobic degradation in water : |
Aerobic half-life:
668d - 14.1yr,
scientific judgement based upon aerobic biodegradation
half-life (Howard 1991).
|
| |
| Anaerobic degradation in water : |
Anaerobic half-life:
668d - 14.1yr,
scientific judgement based upon aerobic biodegradation
half-life (Howard 1991).
|
| |
| Total degradation in water : |
Biodegradation:
0% by BOD
period: 14d
substance: 100 mg/l
sludge: 30 mg/l
(MITI 1992)
|
| |
| Bioconcentration factor, fishes : |
| 1.2 |
1.2 - 3.2, 6w, Cyprinus carpio, conc 0.4 mg/l, |
| 3.2 |
|
| 0.5 |
0.5 - 6.9, 6w, Cyprinus carpio, conc 0.04 mg/l, |
| 6.9 |
MITI 1992 |
| |
| LD50 values to mammals in oral exposure, mg/kg : |
| 1900 |
orl-rat |
| |
| LC50 values to crustaceans, mg/l : |
| 52 |
48hr, Daphnia magna, LeBlanc 1980 |
| |
| LC50 values to fishes, mg/l : |
| 320 |
96hr, Lepomis macrochirus |
| 240 |
96hr, Menidia audens |
| |
Dawson et al. 1977 |
| |
-- |
| 280 |
96hr, Lepomis macrochirus |
| |
Buccafusco et al. 1981 |
| |
-- |
| 140 |
96hr, Pimephales promelas |
| |
Broderius & Kahl 1985 |
| |
-- |
| 140 |
96hr, flow-through, Pimephales promelas |
| |
USEPA 1984 |
| |
-- |
| 104 |
48hr, Oryzias latipes, MITI 1992 |
| |
-- |
| 127 |
96 hr, Pimephales promelas, Geiger et al. 1985 |
| |
| LOEC values to fishes, mg/l : |
| 0.011 |
grw, schr, Pimephales promelas |
| |
Benoit et al. 1982 |
| |
| NOEC values to fishes, mg/l : |
| 0.006 |
grw, schr, Pimephales promelas |
| |
Benoit et al. 1982 |
| |
-- |
| 6 |
6.0 - 11.0, 32d, Pimephales promelas |
| 11 |
USEPA 1984 |
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. |
| 135 | Benoit, D.A., Puglisi F.A. & Olson, D.L. 1982.
Fathead minnow
(Pimephales promelas) early life stage toxicity test
method evaluation and exposure to four organic chemicals.
Environ.
Pollut. 28: 189 - 197. |
| 190 | Broderius, S. & Kahl, M. 1985.
Acute toxicity of organic
chemical mixtures to the fathead minnow.
Aquatic Toxicol. 6:
307-322. |
| 207 | Buccafusco, R.J., Ells, S.J. & LeBlanc, G.A. 1981.
Acute
toxicity of priority pollutants to bluegill (Lepomis
macrochirus).
Bull.
Environ.
Contam.
Toxicol. 26: 446 - 452. |
| 327 | Dawson, G.W., Jennings, A.L., Drozdowski, D. & Rider, E.
1977a.
The acute toxicity of 47 industrial chemicals to fresh
and saltwater fishes.
J.
Hazardous Materials 1 (1975/77): 303
- 318. |
| 3296 | Geiger, D.
L. et al. 1985.
Acute toxicities of organic
chemicals to fathead minnows (Pimephales promelas) Vol. 2.
Center for Lake Superior Environmental Studies, University of
Wisconsin-Superior, Superior, Winconsin, U.S.A. 326.
|
| 1673 | Hellman, T.M. & Small, F.H. 1974.
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properties of 101 petrochemicals using sensory methods.
J.
Air
Pollut.
Control Assoc. 24: 979 - 982. |
| 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.
|
| 798 | LeBlanc, G.A. 1980.
Acute toxicity of priority pollutants
to water flea (Daphnia magna).
Bull.
Environm.
Contam.
Toxicol. 24: 684 - 691. |
| 2450 | Li, W.,Merrill, D.
E. & Haith, A. 1990.
Loading functions for
pesticide runoff.
Research Journal WPCF, 62(1): pp. 16 - 26. |
| 3105 | MITI 1992.
Biodegradation and bioaccumulation data of existing
chemicals based on the CSCL Japan.
Compild under the Safety
Division Basic Industries Bureau Ministry of International
Trade & Industry, Japan.
Edited by Chemicals Inspection &
Testing Institute, Japan.
|
| 2757 | USEPA 1984.
Aquatic toxicity tests to characterize the hazard
of volatile organic chemicals in water.
A toxicity data
summary.
Part 1.
Report No.
EPA-600/3-83-009.
NITS No.
PB84-141506.
(Ed): Ahmad, N. et al.
U.S.
Environmental
protection agency, Duluth, MN 55804. |
| 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. |
