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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Biodegradation in water: screening tests

Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
other: literaure information
Adequacy of study:
other information

Data source

Reference
Reference Type:
publication
Title:
Comparison of 20-d BOD and OECD Closed- Bottle Biodegradation Tests
Author:
Waggy FT, Conway R.A., Hansen J.L., Blessing R.L.
Year:
1994
Bibliographic source:
Environ Toxicol chem., 13:1277-1280

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 301 D (Ready Biodegradability: Closed Bottle Test)

Test material

Test material form:
liquid

Results and discussion

% Degradationopen allclose all
Parameter:
other: dissolved oxygen
Value:
74
Sampling time:
28 d
Parameter:
other: dissolved oxygen
Value:
14
Sampling time:
5 d
Parameter:
other: dissolved oxygen
Value:
74
Sampling time:
15 d
Parameter:
other: dissolved oxygen
Value:
74
Sampling time:
20 d

Applicant's summary and conclusion

Conclusions:
Isobutanol is readily biodegradable in water. 74 % after 28 days, 10 day window achieved.