LINEAR ALKYLBENZENE SULFONATE (LAS) - UNEP Chemicals

OECD SIDS LINEAR ALKYLBENZENE SULFONATE (LAS)
Daphnia magna: 48 h
Reference and year LC50
(mg/L)
12. 23618, P&G
1980
13. 22853, P&G
1979
14. 23611,P&G
1980
15. 28793, P&G
1982
16. Taylor, 1985
17. Lewis and Perry,
1981
18. Lewis and
Suprenant, 1983
19. Maki and Bishop,
1979
4.4
4.9
7.1
9.3
4.6
3-5.6
1.8-5.6
2.5-4.3
Lab Test
Procedure
Bionomics
Bionomics
UCES
Biospherics
US EPA
1975
EPA-660/3-
75-009
US EPA
1975
EPA-660/3-
75-009
US EPA
1975
EPA-660/3-
75-009
US EPA
1975
EPA-660/3-
75-009
US EPA
1975
EPA-660/3-
75-009
US EPA
1975
EPA-660/3-
75-009
US EPA
1975
EPA-660/3-
75-009
US EPA
1975
EPA-660/3-
75-009
GLP Static/flow
through
QA
No
QA
No
No
No
No
No
Static
Static
Static
Static
Static
Static
Static
Static
# replicates Indiv./rep Nominal conc Test T
range
(ºC)
3
3
4
4
3
3
3
5
5
5
10
5
5
5
Control, 0.78,
1.3, 2.2, 3.6,
6.0, 10
Control, 1.4,
2.2, 3.6, 6.0,
10
Control, 1.9,
3.2, 5.4, 9.0,
15
Control, 4.9,
6.1, 9.6, 12, 15
21-22
22±1
21-22
20.5-21
21±1
21±1
Hard. (mg
CaCO3/L)
175
162
220
120
300
120
Measured
conc.
nominal
active
nominal
active
nominal
active
nominal
active
Nominal
Measured
as MBAS
Nominal
Measured
as MBAS
Control
mortality
Remarks/deviation from protocol
UNEP PUBLICATIONS 95
0%
0%
0%
2.5%
White foam formed on surface of test
solution containing 10 mg/L but
dissipated within 24 h; dossier
4.2A(e)
Dossier 4.2A(e)
Dossier 4.2A(e)
Lab practice to use 10 instead of
recommended 5 daphnid per replicate
to enhance statistical validity