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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2001
Report date:
2001

Materials and methods

Principles of method if other than guideline:
Method: other (calculated): AOPWIN (AOP (c)) Program, Version 1.89, Syracuse Research Corporation, Merrill Lane, Syracuse, New York, 13210, U.S.A., 2000
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2,2,6,6-tetramethyl-4-piperidone
EC Number:
212-554-2
EC Name:
2,2,6,6-tetramethyl-4-piperidone
Cas Number:
826-36-8
Molecular formula:
C9H17NO
IUPAC Name:
2,2,6,6-tetramethylpiperidin-4-one

Study design

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

Results and discussion

Any other information on results incl. tables

RS-Freetext:
Half-life, degr. by OH-radicals: 

      0.164 days = 1.96 hours (12-hr day, 1.5E6 OH/cm?)

Rate constant (for indirect photolysis):  0.000000000065 cm³/(molecule*sec)

Applicant's summary and conclusion