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Environmental fate & pathways

Biodegradation in water and sediment: simulation tests

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Administrative data

Endpoint:
biodegradation in water: sediment simulation testing
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: documentation insufficient for assessment, used in the appendix A of EU-risk assessment of CBS (CAS:95-33-0)

Data source

Reference
Reference Type:
publication
Title:
Aquatic Environmental Chemistry of 2-(Thiocyanomethylthio)benzothiazole and Related Benzothiazoles
Author:
Brownlee
Year:
1992
Bibliographic source:
Environmental Toxicolgy and Chemistry. Vol. 11, pp. 1153-1168

Materials and methods

Principles of method if other than guideline:
Suspended sediment from Canagagigue Creek was used. It contained about 6 % organic carbon and had a high clay content. A suspension was made with sediment and substance, and the substance afterwards extracted.
GLP compliance:
not specified

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:
purity not specified

Study design

Inoculum or test system:
natural water / sediment

Results and discussion

Any other information on results incl. tables

6 mg chemical; sediment 1.33 g dry weight/L H2O; Converted in low yield (2 %) to 2-(methylthiobenzothiazole) within one week.

Applicant's summary and conclusion