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Data bank of environmental chemicals     |     The Finnish Environment Institute (SYKE)
 


29.3.2024

Data bank of environmental properties of chemicals


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
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
188Bringmann, 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.
189Bringmann, G. & Kühn, R. 1980b. Bestimmung der biologischen Schadwirkung wassergefahrdender Stoffe gegen Protozoen. II. Bakterienfressende Ciliaten, Z. Wasser/Abwasser Forsch. 1: 26 - 31.
437Fogels, 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.
1589Lewis, R.J. & Sweet, D.V. 1984. Registry of toxic effects of chemical substances. National Institute for Occupational Safety and Health. No. 83-107-4.
3105MITI 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.
1973Pilli.A., Carle, D.O., Kline. E., Pickering. Q. & Lazorchak. J. 1988. Effets of pollution on freshwater organisms. JWPCF 60(6): 994 - 1065.
1971Roderer, 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.
1468Verschueren, K. 1983. Handbook of environmental data of organic chemicals. Van Nostrand Reinhold Co. Inc., New York. 1310 s.

 
 
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