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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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:
di (alkyl C11-C13 Branched, C12 Rich), polysulfure S3-S5 rich
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