Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
fish, juvenile growth test
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: Some details are missing and no data/response relationship.

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
1995

Materials and methods

Test guideline
Qualifier:
no guideline followed
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-methyl-m-phenylenediamine
EC Number:
202-453-1
EC Name:
4-methyl-m-phenylenediamine
Cas Number:
95-80-7
Molecular formula:
C7H10N2
IUPAC Name:
4-methylbenzene-1,3-diamine
Details on test material:
2,4-diaminotoluene
ex Aldrich Chemical Co Inc, Milwaukee, WI, USA.
Purity 98%

Sampling and analysis

Analytical monitoring:
yes
Details on sampling:
Twice a week during the 4 weeks study.

Test solutions

Vehicle:
no

Test organisms

Test organisms (species):
Oryzias latipes
Details on test organisms:
Larvae (0-3 days old) used.

Study design

Test type:
flow-through
Water media type:
freshwater
Limit test:
no
Total exposure duration:
28 d

Test conditions

Hardness:
mean 45.8 mg/l as CaCO3
Test temperature:
25 +/- 1°C
pH:
mean 7.88 +/- 0.18
Dissolved oxygen:
mean 6.8 mg/l
range 5 - 8.5 mg/l
Nominal and measured concentrations:
Measured concentrations: mean values 0, 40.3, 68.8, 131, 263, 551
Reference substance (positive control):
no

Results and discussion

Effect concentrations
Dose descriptor:
NOEC
Nominal / measured:
meas. (arithm. mean)
Basis for effect:
weight
Remarks on result:
other: could not be determined

Any other information on results incl. tables

At the lowest tested concentration of 40.3mg/l the weight of the larvae was significantly reduced, while survival was significantly reduced at 68.8mg/l. No NOEC could be derived from this test.

Applicant's summary and conclusion