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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Ecotoxicological information

Toxicity to microorganisms

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
activated sludge respiration inhibition testing
Type of information:
experimental study
Adequacy of study:
key study
Study period:
12 November 1976
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Qualifier:
according to guideline
Guideline:
other: Method - 58
Version / remarks:
Comparable to internationally accepted guidelines.
Deviations:
not specified
GLP compliance:
no
Specific details on test material used for the study:
Name: FAT 20013/A
Purity: 58 %
Analytical monitoring:
no
Vehicle:
not specified
Test organisms (species):
activated sludge
Test type:
static
Water media type:
freshwater
Limit test:
no
Total exposure duration:
21 d
Reference substance (positive control):
no
Key result
Duration:
21 d
Dose descriptor:
other: BST
Effect conc.:
> 300 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
growth inhibition
Validity criteria fulfilled:
not specified
Conclusions:
The toxicity to activated sludge for FAT 20013/A was found to be greater than 300 mg/L.
Executive summary:

A study was performed with FAT 20013/A to determine the toxicity to microorganisms. This test was conducted according to CIBA internal guideline Method A-58. Based on the findings of the study, the toxicity to activated sludge for FAT 20013/A was found to be greater than 300 mg/L.

Description of key information

A study was performed with FAT 20013/A to determine the toxicity to microorganisms. This test was conducted according to CIBA internal guideline Method A-58. Based on the findings of the study, the toxicity to activated sludge for FAT 20013/A was found to be greater than 300 mg/L.

Key value for chemical safety assessment

EC50 for microorganisms:
300 mg/L

Additional information