Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The predicted endpoint was determined using a validated computer model.

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Gas-phase tropospheric chemistry of organic compounds: a review
Author:
Atkinson, R.
Year:
1990
Bibliographic source:
Atmos. Environ., Vol. 24A, pp. 1-41
Reference Type:
review article or handbook
Title:
Unnamed
Year:
2001
Reference Type:
publication
Title:
EPI (Estimation Programs Interface) Suite, V3.10. U.S.
Author:
U.S. EPA.
Year:
2001
Bibliographic source:
Environmental Protection Agency, Office of Pollution Prevention and Toxics, Washington, DC.

Materials and methods

Principles of method if other than guideline:
Method: other (calculated): Calculations by EPIWIN V3.10; AOPWIN V1.90.
GLP compliance:
no

Test material

Constituent 1
Reference substance name:
Automatically generated during migration to IUCLID 6, no data available
IUPAC Name:
Automatically generated during migration to IUCLID 6, no data available
Details on test material:
IUCLID4 Test substance: other TS: CAS No.: Various; Unrefined and acid treated base oils.

Results and discussion

Any other information on results incl. tables

Indirect photolysis at 25 °C
Concentration of sensitizer:        1.50 x 10 6 OH radicals/cm3
Rate constant:                             18.1757 x 10 -12 cm3/mol-sec
Half-life: See following table
Atmospheric Oxidation Half-Life, days

Structure                               

C15 

C20

C50

n-paraffin                              

0.6 

0.4 

0.2

iso-paraffin                               

0.6

0.4 

0.2

1-ring naphthene                        

0.5

0.4

0.2

2-ring naphthene                        

0.4

0.3

0.1

3-ring naphthene                        

0.4

0.3

0.1

1-ring aromatic

0.7

0.5

0.2

2-ring aromatic                             

0.2

0.2

0.1

3-ring aromatic                              

0.3

0.3

0.1

Applicant's summary and conclusion