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Environmental fate & pathways

Biodegradation in water: screening tests

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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:
other: Predicted data
Title:
26.12.2012 15:04 [R]: 21.8 "Environmental Fate and Transport#Biodegradation#Biodegradation in Water: Screening Tests#Ready Biodegradability" for 20570-96-1
Author:
Sustainabilty Support Services (Europe) AB
Year:
2012
Bibliographic source:
QSAR Toolbox Version 3.0

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD Guideline 310 (Ready Biodegradability
Principles of method if other than guideline:
Data is predicted by QSAR toolbox version; - CO2 in Sealed Vessels (Headspace Test);"ISO 7827 (Evaluation in an Aqueous Medium of the ""Ultimate"" Aerobic Biodegradability of Organic Compounds - Method by Anlaysis of Dissolved Organic Carbon (DOC))";OECD
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Benzylhydrazine dihydrochloride
EC Number:
243-887-1
EC Name:
Benzylhydrazine dihydrochloride
Cas Number:
20570-96-1
Molecular formula:
C7H10N2.2ClH
IUPAC Name:
benzylhydrazine dihydrochloride
Details on test material:
Substance name - Benzylhydrazine dihydrochloride
Substance type : organic
Molecular Formula: C7H10N2
SMILES:c1(CNN)ccccc1_Cl_Cl

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
other: Microorganisms
Duration of test (contact time):
7 d
Parameter followed for biodegradation estimation
Parameter followed for biodegradation estimation:
other: inorg. C analysis, DOC removal, , Test mat. analysis : HPLC, variable by protocol: TOC removal, BOD; CO2 generation, dissolv

Results and discussion

% Degradation
Parameter:
% degradation (test mat. analysis)
Value:
21.846
Sampling time:
168 h

Any other information on results incl. tables






Applicant's summary and conclusion

Interpretation of results:
readily biodegradable
Conclusions:
Biodegradation of Benzylhydrazine dihydrochloride in water gives 21.8 % degradation in 7 days. This value suggests that Benzylhydrazine dihydrochloride is readily biodegradable in water.
Executive summary:

Biodegradation of Benzylhydrazine dihydrochloride in water gives 21.8 % degradation in 7 days. This value suggests that Benzylhydrazine dihydrochloride is readily biodegradable in water.