Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
toxicity to soil microorganisms
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Peer reviewed data.

Data source

Referenceopen allclose all

Reference Type:
study report
Title:
Unnamed
Year:
1977
Reference Type:
secondary source
Title:
Cobalt and inorganic cobalt compounds
Author:
WHO
Year:
2006
Bibliographic source:
CICAD 69

Materials and methods

Principles of method if other than guideline:
Respiration of native soil microflora in soil/litter microcosms was determined
GLP compliance:
no

Test material

Constituent 1
Reference substance name:
Cobalt dichloride
EC Number:
231-589-4
EC Name:
Cobalt dichloride
Cas Number:
7646-79-9
IUPAC Name:
cobalt(2+) dichloride
Details on test material:
- Analytical purity: no data

Sampling and analysis

Analytical monitoring:
no

Test substrate

Vehicle:
no

Test organisms

Test organisms (inoculum):
soil

Study design

Total exposure duration:
20 d

Results and discussion

Any other information on results incl. tables

At 1362 mg/l solution of cobalt mixed into the soil and litter in the microcosm resulted in a reduction in respiration of 23%.

Applicant's summary and conclusion