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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
experimental study
Adequacy of study:
key study
Study period:
1987
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: weak documentation, no GLP

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Report date:
1987

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-hydroxy-1-naphthaldehyde
EC Number:
211-902-0
EC Name:
2-hydroxy-1-naphthaldehyde
Cas Number:
708-06-5
Molecular formula:
C11H8O2
IUPAC Name:
2-hydroxynaphthalene-1-carbaldehyde

Results and discussion

% Degradation
Parameter:
% degradation (DOC removal)
Value:
65
Sampling time:
28 d

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Interpretation of results:
other: not readily biodegradable
Conclusions:
The substance is not readily biodegradable
Executive summary:

The substance was tested for ready biodegradability. After 28 days 65% biodegradation was found calculated from the DOC removal.