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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicity to aquatic algae and cyanobacteria

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Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Basic data given, comparable to guidelines/standards

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Unnamed
Year:
1986
Reference Type:
secondary source
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 201 (Alga, Growth Inhibition Test)
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-nitrotoluene
EC Number:
202-808-0
EC Name:
4-nitrotoluene
Cas Number:
99-99-0
Molecular formula:
C7H7NO2
IUPAC Name:
1-methyl-4-nitrobenzene
Details on test material:
- Name of test material (as cited in study report): 4-nitrotoluene
- Analytical purity: > 98%

Sampling and analysis

Analytical monitoring:
not specified

Test organisms

Test organisms (species):
Chlorella pyrenoidosa

Study design

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

Results and discussion

Effect concentrations
Duration:
96 h
Dose descriptor:
EC50
Effect conc.:
22 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
other: yield (density)

Applicant's summary and conclusion