Registration Dossier

Environmental fate & pathways

Biodegradation in water: screening tests

Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Cited in OECD SIDS, Val 2. Guideline study with acceptable restrictions

Data source

Reference
Reference Type:
secondary source
Title:
SIDS Initial Assessment Report for SIAM 19 - 3-Hydroxy-2-naphthoic acid
Author:
OECD SIDS
Year:
2004
Report date:
2004

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 301 C (Ready Biodegradability: Modified MITI Test (I))
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
3-hydroxy-2-naphthoic acid
EC Number:
202-180-8
EC Name:
3-hydroxy-2-naphthoic acid
Cas Number:
92-70-6
Molecular formula:
C11H8O3
IUPAC Name:
3-hydroxy-2-naphthoic acid

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
mixture of sewage, soil and natural water
Initial test substance concentration
Initial conc.:
100 mg/L
Based on:
test mat.
Parameter followed for biodegradation estimation
Parameter followed for biodegradation estimation:
O2 consumption

Results and discussion

% Degradation
Parameter:
% degradation (O2 consumption)
Value:
1.3
Sampling time:
14 d

Applicant's summary and conclusion

Interpretation of results:
other: poorly biodegradable