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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP study according EU/OECD guideline

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2007

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method B.1 tris (Acute Oral Toxicity - Acute Toxic Class Method)
Qualifier:
according to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
GLP compliance:
yes (incl. QA statement)
Test type:
acute toxic class method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
4-(methylthio)-3,5-xylenol
EC Number:
230-947-7
EC Name:
4-(methylthio)-3,5-xylenol
Cas Number:
7379-51-3
Molecular formula:
C9H12OS
IUPAC Name:
3,5-dimethyl-4-(methylsulfanyl)phenol

Test animals

Species:
rat
Strain:
Wistar
Sex:
female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
polyethylene glycol
Doses:
2000 mg/kg body weight (bw)
No. of animals per sex per dose:
3 female
Control animals:
no

Results and discussion

Effect levelsopen allclose all
Sex:
female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Sex:
female
Dose descriptor:
other: LD50 cut-off
Effect level:
>= 5 000 mg/kg bw

Any other information on results incl. tables

A dose of 2000 mg/kg body weight was tolerated by female rats without mortalities, clinical signs, effects on weight gain and gross pathological findings.

LD5Q cut-off: > 5000 mg/kg bw. (GHS Category 5 / unclassified) according to OECD guideline 423

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU
Executive summary:

A dose of 2000 mg/kg body weight was tolerated by female rats without mortalities, clinical signs, effects on weight gain and gross pathological findings.

LD5Q cut-off: > 5000 mg/kg bw. (GHS Category 5 / unclassified) according to OECD guideline 423