Sulfonic acids, C13-17-sec-alkane, compds. with triethanolamine

Short-term toxicity to aquatic invertebrates

Link to relevant study record(s)

Reference

Endpoint:

short-term toxicity to aquatic invertebrates

Type of information:

experimental study

Adequacy of study:

key study

Study period:

7.6.1998-30.6.1998

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

ISO 6341 (Water quality - Determination of the Inhibition of the Mobility of Daphnia magna Straus (Cladocera, Crustacea))

Version / remarks:

1996 version

GLP compliance:

yes

Specific details on test material used for the study:

Fain 3, 1998

Analytical monitoring:

yes

Vehicle:

yes

Details on test solutions:

Water, pH 7,9, conductivity 65 mS7m

Test organisms (species):

Daphnia magna

Details on test organisms:

Daphnia magna age <24 hours

Test type:

static

Water media type:

not specified

Limit test:

yes

Total exposure duration:

2 d

Test temperature:

22+- 1 C

pH:

7,9

Conductivity:

65 mS7m

Nominal and measured concentrations:

1g sample/1000 ml distilled water

Reference substance (positive control):

yes

Key result

Duration:

4 d

Dose descriptor:

EC50

Effect conc.:

ca. 1 g/L

Nominal / measured:

meas. (not specified)

Conc. based on:

test mat. (total fraction)

Basis for effect:

behaviour

Remarks:

Movement

Validity criteria fulfilled:

yes

Conclusions:

EC50 24 h 32 mg/l
EC50 48 h 24 mg/l

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates

Effect concentration:

32 mg/L

Marine water invertebrates

Marine water invertebrates

Effect concentration:

32 mg/L

Additional information

EC50 24h = 32 mg/l

EC50 48h = 24 mg/l