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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Repeated dose toxicity: other routes

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Administrative data

Endpoint:
short-term repeated dose toxicity: other route
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
About the pharmacologic and toxic activities of E-Caprolactam.
Author:
Hohensee F.
Year:
1951
Bibliographic source:
Faserforschung und Textiltechnik 8, 299-303
Reference Type:
publication
Title:
About the pharmacologic and toxic activities of E-Caprolactam.
Author:
Hohensee, F.
Year:
1951
Bibliographic source:
Fiber Res. and Textile Tech. 1, 299-303. Cited in: Henschler, D. (Hrsg.), Gesundheitsschaedliche Arbeitsstoffe. Toxikologisch-arbeitsmedizinische Begruendung von MAK-Werten: Caprolactam (1975), 1.-17. Lfg., Verlag Chemie (1991)

Materials and methods

Principles of method if other than guideline:
Eight mice each were injected subcutaneous daily with test substance at the rate of 50 and 150 mg/kg bw for 42 days. Three animals were kept as control.
GLP compliance:
not specified
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
ε-caprolactam
EC Number:
203-313-2
EC Name:
ε-caprolactam
Cas Number:
105-60-2
Molecular formula:
C6H11NO
IUPAC Name:
azepan-2-one
Specific details on test material used for the study:
- Name of test material (as cited in study report): epsilon-Caprolactam

Test animals

Species:
mouse
Strain:
not specified
Sex:
not specified

Administration / exposure

Route of administration:
subcutaneous
Vehicle:
not specified
Duration of treatment / exposure:
42 days
Frequency of treatment:
daily
Doses / concentrationsopen allclose all
Dose / conc.:
50 mg/kg bw/day
Dose / conc.:
150 mg/kg bw/day
No. of animals per sex per dose:
8
Control animals:
yes

Results and discussion

Target system / organ toxicity

Critical effects observed:
not specified

Any other information on results incl. tables

No abnormalities were detected

Applicant's summary and conclusion

Conclusions:
No abnormalities were detected.
Executive summary:

Eight mice each were injected subcutaneous daily with test substance at the rate of 50 and 150 mg/kg bw for 42 days. Three animals were kept as control.

No abnormalities were detected