Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 205-736-8 | CAS number: 149-30-4
Toxicity to soil microorganisms
Administrative data
- Endpoint:
- toxicity to soil microorganisms
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: Documentation insufficient for assessment
Data source
Reference
- Reference Type:
- publication
- Title:
- The Effect of Both Powdered and Liquid Rubber Additives on the Growth of Soil Microorganisms
- Author:
- Williams GR
- Year:
- 1 984
- Bibliographic source:
- International Biodetoriation 1984 Vol. 20 No. 3
Materials and methods
- Principles of method if other than guideline:
- The substance was incorporated into nutrient agar, at varying concentrations, approximating the levels of incorporation in rubber formulations, and inoculated with soil extract (3.0 E+07 organisms per ml).
- GLP compliance:
- not specified
Test material
- 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:
- purity not specified
Constituent 1
Sampling and analysis
- Analytical monitoring:
- not specified
Test organisms
- Test organisms (inoculum):
- soil
Study design
- Total exposure duration:
- 14 d
Test conditions
- Test temperature:
- 25 °C
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 14 d
- Dose descriptor:
- other: LD50
- Effect conc.:
- 0.1 other: %
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- other: growth inhibition
- Duration:
- 4 d
- Dose descriptor:
- other: LD50
- Effect conc.:
- 0.1 other: %
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- other: growth inhibition
- Details on results:
- the effect concentrations were reported as <= 0.1 %
Any other information on results incl. tables
It is not clear how the LD50 was determined.
The substance was classified as highly toxic.
Applicant's summary and conclusion
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
