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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
(Q)SAR
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Justification for type of information:
QSAR prediction: migrated from IUCLID 5.6

Data source

Reference
Reference Type:
publication
Title:
Predicting Ready Biodegradability in the Japanese Ministry of International Trade and Industry Test.
Author:
Tunkel, J., Howard etl
Year:
2000
Bibliographic source:
Environ. Toxicol. Chem. 19:2478-2485

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: REACH guidance on QSAR R.6, May/July 2008
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
2,3-didehydro-D-erythro-hexono-1,4-lactone
EC Number:
201-928-0
EC Name:
2,3-didehydro-D-erythro-hexono-1,4-lactone
Cas Number:
89-65-6
Molecular formula:
C6H8O6
IUPAC Name:
(5R)-5-[(1R)-1,2-dihydroxyethyl]-3,4-dihydroxy-2,5-dihydrofuran-2-one

Results and discussion

Any other information on results incl. tables

Biowin1 (Linear Model Prediction) : Biodegrades Fast

Biowin2 (Non-Linear Model Prediction): Biodegrades Fast

Biowin3 (Ultimate Biodegradation Timeframe): Days-Weeks

Biowin4 (Primary Biodegradation Timeframe): Hours-Days

Biowin5 (MITI Linear Model Prediction) : Readily Degradable

Biowin6 (MITI Non-Linear Model Prediction): Readily Degradable

Biowin7 (Anaerobic Model Prediction): Biodegrades Fast

Ready Biodegradability Prediction: YES

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Interpretation of results:
readily biodegradable