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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Endpoint:
short-term toxicity to fish
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Documentation insufficient for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1971
Report date:
1971

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: DIN 38412 part 15
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-chloro-2-methylpropane
EC Number:
208-066-4
EC Name:
2-chloro-2-methylpropane
Cas Number:
507-20-0
Molecular formula:
C4H9Cl
IUPAC Name:
2-chloro-2-methylpropane

Sampling and analysis

Analytical monitoring:
not specified

Test organisms

Test organisms (species):
Leuciscus idus melanotus

Study design

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

Test conditions

Nominal and measured concentrations:
nominal 200, 250, 300 and 400 mg/l

Results and discussion

Effect concentrations
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
350 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality (fish)

Applicant's summary and conclusion