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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicity to reproduction: other studies

Currently viewing:

Administrative data

Endpoint:
toxicity to reproduction: other studies
Remarks:
additional investigations in female mice within a 28 day study
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: additional investigations in female mice within a 28 day study
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

Reference
Title:
No information
Author:
US Department of Health and Human Sevices (1990/1991). NTP Report on the toxicity studies of cresols in F344/N rats and B6C3F1 mice (feed studies). NTP TOX 9, 1990/1991

Materials and methods

Principles of method if other than guideline:
Type: subacute study
Method: dose-finding study for a 13 week study
GLP compliance:
yes
Type of method:
in vivo

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
Details on test material:
Test substance: o-cresol, purity

Test animals

Species:
mouse
Strain:
B6C3F1
Sex:
female

Administration / exposure

Route of administration:
oral: feed
Duration of treatment / exposure:
28 d
Frequency of treatment:
daily
Doses / concentrations
Remarks:
Doses / Concentrations:
0, 1000, 3000, 10000, 30000 ppm
Basis:

Control animals:
yes, concurrent no treatment
Details on study design:
Duration of test: 28 d

Results and discussion

Any other information on results incl. tables

In histopathology:
30000 ppm: mild ovarian atrophy in 3/5 animals and in 4/5 moderate uterine atrophy.
10000 ppm: in 5/5 animals mild uterine atrophy.

Applicant's summary and conclusion