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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Short-term toxicity to aquatic invertebrates

Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2016
Report date:
2016

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
Version / remarks:
2004
Deviations:
no
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
2,4-dichlorobenzyl alcohol
EC Number:
217-210-5
EC Name:
2,4-dichlorobenzyl alcohol
Cas Number:
1777-82-8
Molecular formula:
C7H6Cl2O
IUPAC Name:
(2,4-dichlorophenyl)methanol
Specific details on test material used for the study:
The test item, 2,4-Dichlorbenzylalkohol is a white solid with a purity of 99.9% area-% (BASF study code: 16L00070)1. The sample of the test item is labelled with Test Article Name: 2,4-dichlorbenzylalkohol, Batch: DCBA140905, Date of manufacture: Jan 2015, Expiry date: Dec 2017.

Sampling and analysis

Analytical monitoring:
yes
Details on sampling:
Samples of each test item concentration and the control were collected at exposure initiation and at
exposure termination [SOP/W/83].

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
static
Limit test:
no
Total exposure duration:
48 h

Test conditions

Reference substance (positive control):
yes
Remarks:
Potassium dichromate

Results and discussion

Effect concentrationsopen allclose all
Duration:
24 h
Dose descriptor:
EC50
Effect conc.:
21.1 mg/L
Nominal / measured:
meas. (initial)
Conc. based on:
test mat.
Basis for effect:
mobility
Key result
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
17.75 mg/L
Nominal / measured:
meas. (initial)
Conc. based on:
test mat.
Basis for effect:
mobility

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Executive summary:

The substance is acutely harmfull for daphnia.