Registration Dossier

Environmental fate & pathways

Phototransformation in air

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Administrative data

Endpoint:
phototransformation in air
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Based on an acceptable computer model

Data source

Reference
Reference Type:
other: QSAR model
Title:
AOP Program (v1.92)
Author:
U.S. EPA
Bibliographic source:
U.S. EPA. 2009. Estimation Programs Interface Suite™ for Microsoft® Windows, Version 4.00. United States Environmental Protection Agency, Washington, DC, USA.

Materials and methods

Principles of method if other than guideline:
Method: other (calculated)
GLP compliance:
no

Test material

Constituent 1
Reference substance name:
Polysulfides, di-tert-dodecyl
EC Number:
270-335-7
EC Name:
Polysulfides, di-tert-dodecyl
Cas Number:
68425-15-0
Molecular formula:
not applicable
IUPAC Name:
Polysulfides, di-tert-dodecyl
Details on test material:
TS-Freetext:
di(tert-dodecyl) polysulphide (CAS Number 68425-15-0)

Study design

Details on test conditions:
Sensitiser (for indirect photolysis): OH
Sensitiser concentration: 1500000 molecule/cm³

Results and discussion

Any other information on results incl. tables

Rate constant (for indirect photolysis): = 0.000000000473 cm³/(molecule*sec)
Degradation in % (for indirect photolysis): = 50  after 0.3 hour(s)

Applicant's summary and conclusion

Conclusions:
CL-Freetext:
T1/2 = 16.3 min; Overall OH Rate Constant (cm3/molecule-sec) =4.7 E-10