Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

Administrative data

Endpoint:
short-term repeated dose toxicity: dermal
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: individual animal data not shown

Data source

Reference
Title:
No information
Author:
Shelley WB (1974). p-Cresol: Cause of ink-induced hair depigmentation in mice. Br. J. Dermatol. 90, 169-174

Materials and methods

Principles of method if other than guideline:
Application to clipped or epilated area of the back, 3 times weekly for 4 weeks.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
o-cresol
EC Number:
202-423-8
EC Name:
o-cresol
Cas Number:
95-48-7
Molecular formula:
C7H8O
IUPAC Name:
o-cresol

Test animals

Species:
mouse
Strain:
other: CBA/J agouti
Sex:
female

Administration / exposure

Type of coverage:
not specified
Vehicle:
acetone
Details on exposure:
Route of Administration: dermal
Duration of treatment / exposure:
4 w
Frequency of treatment:
3/w
Doses / concentrations
Remarks:
Doses / Concentrations:
0.5 % in acetone (= ca. 5000 mg/l), no further information
Basis:

No. of animals per sex per dose:
5
Control animals:
yes
Details on study design:
Post-exposure period: 24 w

Results and discussion

Target system / organ toxicity

Critical effects observed:
not specified

Any other information on results incl. tables

No colour change of the new hair growth.

Applicant's summary and conclusion

Executive summary:

Application of o-cresol to the skin of mice caused no colour change of the fur.