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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
immunotoxicity
Remarks:
other: in vivo study over 14 days
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: only summary available

Data source

Reference
Title:
No information
Author:
Chemical Industrial Institute of Toxicology (CIIT, 1983). Preliminary result of in-vivo and in-vitro Sister Chromatid Exchange Assay on cresol isomers and of an immunological evaluation of o-cresol. CIIT Docket 12283,
Bibliographic source:
EPA-OTS0507479

Materials and methods

Principles of method if other than guideline:
other: see section"any other information on materials and method"
GLP compliance:
not specified

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:
B6C3F1
Sex:
female

Administration / exposure

Route of administration:
other: drinking water
Vehicle:
water
Analytical verification of doses or concentrations:
not specified
Duration of treatment / exposure:
Exposure period: 14 day(s)
Frequency of treatment:
daily
Doses / concentrations
Remarks:
Doses / Concentrations:
0, 6.5, 32.5, 65, 130 mg/kg bw/day
Basis:

No. of animals per sex per dose:
no data
Control animals:
yes
Details on study design:
Observation period: during treatment.

Results and discussion

Effect levels

Dose descriptor:
NOAEL
Effect level:
ca. 130 mg/kg bw/day (actual dose received)
Sex:
female
Basis for effect level:
other: no evidence for immunotoxicity or altered host resistance

Any other information on results incl. tables

Result:
o-cresol does not induce immunotoxicity or altered host resistance in mice after 14 days of exposure in drinking water.

Applicant's summary and conclusion

Executive summary:

o-cresol does not induce immunotoxicity or altered host resistance in mice after 14 days of exposure in drinking water.