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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
other information
Study period:
No data
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: 2.g: Collection of data. Peer-review database
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

Reference
Reference Type:
other: Peer-reviewed database
Title:
No information
Author:
HSDB
Year:
2010
Bibliographic source:
http://toxnet.nlm.nih.gov/cgi-bin/sis/htmlgen?HSDB, CAS n° 140-29-4

Materials and methods

Principles of method if other than guideline:
Estimated by calculation from it's rate constant of 2.1E-12 cu cm/moluce-sec at 25°C that was derived using a structure estimation method
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Phenylacetonitrile
EC Number:
205-410-5
EC Name:
Phenylacetonitrile
Cas Number:
140-29-4
Molecular formula:
C8H7N
IUPAC Name:
2-phenylacetonitrile
Details on test material:
No further data

Study design

Light source:
not specified

Results and discussion

Dissipation half-life of parent compound
DT50:
ca. 7.8 d
Test condition:
reaction with photochemically produced hydroxyl radicals
Degradation rate constant
Reaction with:
OH radicals

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
Phenylacetonitrile is degraded in the atmosphere by reaction with photochemically produced hydroxyl radicals. The half-life for this reaction in air is estimated to be 7.8 days, calculated from it's rate constant of 2.1E-12 cu cm/moluce-sec at 25°C that was derived using a structure estimation method.
Executive summary:

According to the peer reviewed database phenylacetonitrile is degraded in the atmosphere by reaction with photochemically produced hydroxyl radicals. The half-life for this reaction in air is estimated to be 7.8 days, calculated from it's rate constant of 2.1E-12 cu cm/moluce-sec at 25°C that was derived using a structure estimation method.