Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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

Constituent 1
Chemical structure
Reference substance name:
1-ethoxypropan-2-ol
EC Number:
216-374-5
EC Name:
1-ethoxypropan-2-ol
Cas Number:
1569-02-4
Molecular formula:
C5H12O2
IUPAC Name:
1-ethoxypropan-2-ol

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.