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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Acute Toxicity: dermal

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Administrative data

Endpoint:
acute toxicity: dermal
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: limited but acceptable documented study report which meets basic scientific principles

Data source

Referenceopen allclose all

Reference Type:
study report
Title:
Unnamed
Year:
1975
Reference Type:
publication
Title:
Acute toxicologic evaluation of mercaptobenzothiazole
Author:
Randall, D., J.; et al.
Year:
1990
Bibliographic source:
Journal of American College of Toxicology, part B, vol.1, 62

Materials and methods

Principles of method if other than guideline:
other: acute dermal toxicity study
GLP compliance:
no
Test type:
other: acute dermal toxicity study
Limit test:
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
Details on test material:
mercaptobenzothiazole (MBT), purity: 97.4 %

Test animals

Species:
rabbit
Strain:
New Zealand White
Sex:
male/female

Administration / exposure

Type of coverage:
semiocclusive
Vehicle:
corn oil
Duration of exposure:
24 h
Doses:
5010, 7940 mg/kg bw
No. of animals per sex per dose:
1 to 2
Control animals:
no

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 7 940 mg/kg bw
Remarks on result:
other: Clinical signs: reduced appetite and activity for 1 to 2 days

Any other information on results incl. tables

No mortality occurred. The dermal LD50 for MBT was greater than 7940 mg/kg bw. Clinical signs included reduced appetite and activity for 1 to 2 days. Viscera of animals appeared normal at sacrifice.

Applicant's summary and conclusion