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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
developmental toxicity
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: A scientific study

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
1981

Materials and methods

Principles of method if other than guideline:
A study during 1-15 days of gestation in rat.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Benzothiazole-2-thiol
EC Number:
205-736-8
EC Name:
Benzothiazole-2-thiol
Cas Number:
149-30-4
Molecular formula:
C7H5NS2
IUPAC Name:
1,3-benzothiazole-2-thiol
Constituent 2
Reference substance name:
2-mercaptobenothiazole
IUPAC Name:
2-mercaptobenothiazole
Details on test material:
- Name of test material (as cited in study report):2-mercaptobenothiazole

Test animals

Species:
rat
Strain:
Sprague-Dawley

Administration / exposure

Route of administration:
oral: unspecified
Duration of treatment / exposure:
Days 1-15 of gestation
Doses / concentrations
Remarks:
Doses / Concentrations:
200 mg/kg
Basis:

Results and discussion

Results: maternal animals

Effect levels (maternal animals)

Dose descriptor:
NOAEL
Effect level:
200 mg/kg bw/day
Basis for effect level:
other: maternal toxicity

Results (fetuses)

Effect levels (fetuses)

Dose descriptor:
NOAEL
Effect level:
200 mg/kg bw/day
Basis for effect level:
other: teratogenicity

Fetal abnormalities

Abnormalities:
not specified

Overall developmental toxicity

Developmental effects observed:
not specified

Applicant's summary and conclusion

Conclusions:
NOAEL Maternal: 200 mg/kg bw
NOAEL Teratogen: 200 mg/kg bw
Executive summary:

For 2 -mercaptobenzothiazole were determined: NOAEL Maternal.: 200 mg/kg bw NOAEL Teratogen: 200 mg/kg bw.