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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
short-term repeated dose toxicity: other route
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: The original study was not obtained by the reviewer.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1954
Report date:
1954

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
Mice were administered substance by intraperitoneal injection daily for 5 days, at various doses, and toxicity was assessed.
GLP compliance:
no
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4,4'-methylenebis(cyclohexylamine)
EC Number:
217-168-8
EC Name:
4,4'-methylenebis(cyclohexylamine)
Cas Number:
1761-71-3
Molecular formula:
C13H26N2
IUPAC Name:
4,4'-methylenedicyclohexanamine
Details on test material:
CAS 1761-71-3 (cyclohexylamine,4'4-methylenebis-).
Material is a solid, approximately 50% trans-trans isomer

Test animals

Species:
mouse

Administration / exposure

Route of administration:
intraperitoneal
Duration of treatment / exposure:
5 days
Frequency of treatment:
Daily
Doses / concentrations
Remarks:
Doses / Concentrations:
25, 50, 100 mg/kg bw
Control animals:
not specified
Details on study design:
Test was performed as a range-finding study for dose selection for a test of antineoplasic effects of the substance. Five animals per group were used, doses tested were 25, 50 and 100 mg/kg bw. Test substance (in oil) was administered i.p.

Results and discussion

Results of examinations

Clinical signs:
effects observed, treatment-related
Mortality:
mortality observed, treatment-related
Body weight and weight changes:
effects observed, treatment-related
Details on results:
- In the highest dose group, all animals died shortly after the first or second injection. In the mid-dose group, two animals died
- These animals showed marked body weight loss
- The animals of the lowest dose group showed no symptoms

Effect levels

Dose descriptor:
NOAEL
Effect level:
50 mg/kg bw/day (nominal)
Based on:
test mat.
Sex:
not specified

Target system / organ toxicity

Critical effects observed:
not specified

Applicant's summary and conclusion