2-amino-2-ethylpropanediol

Phototransformation in air

Link to relevant study record(s)

Reference

Endpoint:

phototransformation in air

Type of information:

(Q)SAR

Adequacy of study:

key study

Study period:

20 Feb 2012

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification

Justification for type of information:

QSAR prediction: migrated from IUCLID 5.6

Principles of method if other than guideline:

Calculation based on AOPWIN v1.92, Estimation Programs Interface Suite™ for Microsoft® Windows v 4.10. US EPA, United States Environmental Protection Agency, Washington, DC, USA.

GLP compliance:

no

Estimation method (if used):

PHOTOCHEMICAL REACTION WITH OH RADICALS
- Concentration of OH radicals: 0.5E+06 radicals/cm3
- Degradation rate constant: 30.6378 E-12 cm3/molecule-sec
- Temperature for which rate constant was calculated: 25 °C
- Computer programme: AOPWIN v1.92

DT50:

12.568 h

Test condition:

calculation based on a 24 h day

For detailed describtion on the model and its applicability, see "Any other information on materials and methods incl. tables". The estimation is based on a 24 hour day.

Description of key information

T1/2 = 12.6 h (sensitizer: OH radical) (AOP Win v1.86)

Key value for chemical safety assessment

Half-life in air:

12.6 h

Degradation rate constant with OH radicals:

30.638 cm³ molecule-1 s-1

Additional information

No studies investigating the indirect photolysis of AEPD are available. Using AOP Program (v1.92), a half-life of 12.6 hours was calculated, indicating rapid degradation by indirect photolysis.