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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
calculation (if not (Q)SAR)
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Scientifically acceptable method

Data source

Reference
Reference Type:
other: EPIWIN calculation
Title:
Unnamed
Year:
2019

Materials and methods

Principles of method if other than guideline:
calculated using SRC AOP v1.92
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
potassium;1-(4-chlorophenyl)pyrazol-3-olate
EC Number:
949-316-9
Cas Number:
1965233-46-8
Molecular formula:
C9H6ClN2O*K
IUPAC Name:
potassium;1-(4-chlorophenyl)pyrazol-3-olate

Study design

Estimation method (if used):
PHOTOCHEMICAL REACTION WITH OH RADICALS
- Concentration of OH radicals: 500000
- Degradation rate constant: 14.1 x 10-11 cm³/molecule-sec
- Temperature for which rate constant was calculated: 25 °C
- Computer programme: SRC AOP v1.92 21 May 2008
- Calculated t 1/2 is based on a 12 h day: 0.076 days

Results and discussion

Dissipation half-life of parent compound
DT50:
0.076 h

Applicant's summary and conclusion