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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
(Q)SAR
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Model regarded as reliable.
Justification for type of information:
QSAR prediction: migrated from IUCLID 5.6

Data source

Reference
Reference Type:
other: QSAR
Title:
No information
Author:
US EPA
Year:
2009
Bibliographic source:
US EPIWIN Suite v3.20

Materials and methods

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

Test material

Constituent 1
Chemical structure
Reference substance name:
2-ethoxy-1-methylethyl acetate
EC Number:
259-370-9
EC Name:
2-ethoxy-1-methylethyl acetate
Cas Number:
54839-24-6
Molecular formula:
C7H14O3
IUPAC Name:
2-ethoxy-1-methylethyl acetate

Study design

Estimation method (if used):
PHOTOCHEMICAL REACTION WITH OH RADICALS
- Degradation rate constant: 17.2086 E-12 cm3/molecule-sec
- Temperature for which rate constant was calculated: 25 degrees C
- Half-Life: 7.459 hours
- Computer programme: AOPWIN v1.92



Results and discussion

Applicant's summary and conclusion

Executive summary:

US EPA AOPWIN software (v1.92) estimated an Overall Hydroxyl Radical Reaction Rate Constant of 17.2086 E-12 cm3/molecule-sec at 25 degrees C, and an atmospheric degradation half-life of 7.459 hours, for ethoxypropyl acetate.