Registration Dossier

Administrative data

Endpoint:
phototransformation in air
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: QSAR generally regarded as reliable.

Data source

Reference
Reference Type:
other: QSAR model
Title:
EPIWIN Suite v3.20
Author:
US EPA
Year:
2010
Bibliographic source:
http://www.epa.gov/oppt/exposure/pubs/episuitedl.htm

Materials and methods

Principles of method if other than guideline:
AOPWIN v1.92 model

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

Any other information on results incl. tables

PHOTOCHEMICAL REACTION WITH OH RADICALS

- Degradation rate constant: 21.8402 E-12 cm3/molecule-sec

- Temperature for which rate constant was calculated: 25 degrees C

- Half-Life: 5.877 hours

- Computer programme: AOPWIN v1.92

Applicant's summary and conclusion

Executive summary:

US EPA AOPWIN software (v1.92) estimated an Overall Hydroxyl Radical Reaction Rate Constant of 21.8402 E-12 cm3/molecule-sec at 25 degrees C, and an atmospheric degradation half-life of 5.877 hours, for ethoxypropanol.