Chemical |
Sodium lauryl sulfate |
CAS-number : |
151-21-3 |
|
Synonyms : |
dodekyylisulfaatti |
Natriumlauryylisulfaatti |
Sulfuric acid monododecyl ester sodium salt |
|
Sumformula of the chemical : |
C12H26O4S.Na |
EINECS-number : |
2057881 |
|
Uses : |
Wetting agent in textiles; detergent in toothpaste; food
additive and surfactant.
|
|
State and appearance : |
Small white and yellow crystals.
|
|
Molecular weight : |
289.43 |
|
Melting point, °C : |
204 |
204-207 |
207 |
|
|
Total degradation in water : |
Biodegradation:
85% by BOD
period: 14d
substance: 100 mg/l
sludge: 30 mg/l
(MITI 1992)
|
|
Other information of degradation : |
Biodegradation (17 mg/l): no degradation after 30 days
(Verschueren 1983).
|
|
LD50 values to mammals in oral exposure, mg/kg : |
1288 |
orl-rat,Lewis & Sweet 1984 |
|
LOEC values to algae, mg/l : |
0.02 |
rpd, schr, Scenedesmus quadricauda |
|
Bringmann & Kühn 1980a |
|
LC50 values to fishes, mg/l : |
8.1 |
96hr, Jordanella floridae |
8 |
96hr,Brachydanio rerio,Fogels & Sprague |
4.6 |
96hr,Salmo trutta 1977 |
|
Other information of water organisms : |
LOEC 0.75 mg/l, rpd, schr, Uronema parduczi (Bringmann & Kühn
1980b).
Poteriochromonas malhamensis, 89.3 mg/l, 3 d, 100 % mortality
including algicidal and herbicidal effects (Roderer 1987).
|
References |
188 | Bringmann, G. & Kühn, R. 1980a.
Comparison of the toxicity
thresholds of water pollutants to bacteria, algae and
protozoa in the cell multiplication inhibition test.
Water
Res. 14: 231 - 241. |
189 | Bringmann, G. & Kühn, R. 1980b.
Bestimmung der biologischen
Schadwirkung wassergefahrdender Stoffe gegen Protozoen.
II.
Bakterienfressende Ciliaten, Z.
Wasser/Abwasser Forsch. 1: 26 -
31. |
437 | Fogels, A. & Sprague, J.B. 1977.
Comparative short-term
tolerance of zebrafish, flagfish, and rainbow trout to five
poisons including potential reference toxicants. -
Water Res.
11: 811 - 817. |
1589 | Lewis, R.J. & Sweet, D.V. 1984.
Registry of toxic effects of
chemical substances.
National Institute for Occupational Safety
and Health.
No. 83-107-4. |
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.
|
1973 | Pilli.A., Carle, D.O., Kline.
E., Pickering.
Q. & Lazorchak.
J. 1988.
Effets of pollution on freshwater organisms.
JWPCF
60(6): 994 - 1065. |
1971 | Roderer, G. 1987.
Toxic effects of tetraethyl lead and its
derivatives on the chrysophyte Poterioochromonas malhamensis.
VIII.
Comparative studies with surfactants.
Arch.
Environ.
Contam.
Toxicol. 16: 291. |
1468 | Verschueren, K. 1983.
Handbook of environmental data of
organic chemicals.
Van Nostrand Reinhold Co.
Inc., New York.
1310 s. |