Registration Dossier

Environmental fate & pathways

Biodegradation in water: screening tests

Administrative data

Endpoint:
biodegradation in water: screening tests
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: scientifically accepted calculation method

Data source

Reference
Reference Type:
other: estimation software
Title:
Unnamed
Year:
2000

Materials and methods

Test guideline
Guideline:
other: REACH guidance on QSAR R.6, May 2008
Principles of method if other than guideline:
BIOWIN program v4.10: scientifically accepted calculation method for organic chemicals
GLP compliance:
no
Remarks:
not applicable

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Oxygen conditions:
other: aerobic and anaerobic
Inoculum or test system:
other: estimation by calculation

Results and discussion

% Degradation
Remarks on result:
other: Test substance monomethylamine is readily biodegradable. Also under anaerobic conditions it is suspected to be biodegraded fast.

Any other information on results incl. tables

Summary of biodegradability prediction of all constituents (incl. impurity) 

Parameter

Method

Result

Ready Biodegradability Prediction

[using BIOWIN programme (v 4.10 - owned by U.S. EPA)]

Biowin1:

Linear Model Prediction

Biodegrades fast

Biowin2:

Non-linear Model Prediction

Biodegrades fast

Biowin3:

Ultimate Biodegradation Timeframe

Weeks-Months

(only impurity with CAS 132-28-5: Months)

Biowin4:

Primary Biodegradation Timeframe

Days-Weeks

(only constituent 2 with CAS 115-86-6: Days)

Biowin5:

MITI Linear Model Prediction

Not Readily degradable

Biowin6:

MITI Non-Linear Model Prediction

Not Readily degradable

Biowin7:

Anaerobic Model Prediction

Does not Biodegrade Fast

Ready Biodegradability Prediction

NO

 

Overall result for the multi-constituent substance 'Reaction mass ofbiphenyl-2-yl diphenyl phosphate and triphenyl phosphate and bis(biphenyl-2-yl) phenyl phosphate' (EC no.: 700-393-5): not rapidly biodegradable

Applicant's summary and conclusion

Validity criteria fulfilled:
not applicable
Interpretation of results:
other: not rapidly biodegradable
Conclusions:
Overall result for the multi-constituent substance 'Reaction mass ofbiphenyl-2-yl diphenyl phosphate and triphenyl phosphate and bis(biphenyl-2-yl) phenyl phosphate' (EC no.: 700-393-5): not rapidly biodegradable