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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 water
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Peer reviewed data base

Data source

Reference
Reference Type:
secondary source
Title:
Handbook of Chemical Property Estimation Method
Author:
Lyman, W.J, W. F. Reehl and D. H. Rosenblatt", Handbook of Chemical Property Estimation Method 1981
Year:
1981
Bibliographic source:
Cited in: OECD SIDS (2003). SIDS for CAS 78-97-7, 2003

Materials and methods

Test material

Constituent 1
Chemical structure
Reference substance name:
Lactonitrile
EC Number:
201-163-2
EC Name:
Lactonitrile
Cas Number:
78-97-7
Molecular formula:
C3H5NO
IUPAC Name:
2-hydroxypropanenitrile
Details on test material:
TS-Freetext:
Lactonitrile, CAS 78-97-7,
Purity unknown

Study design

Light source:
sunlight

Results and discussion

Spectrum of substanceopen allclose all
Parameter:
max epsilon
Value:
6.8
Parameter:
max lambda
Value:
300 nm
% Degradationopen allclose all
Test condition:
Direct photolysis
Test condition:
Indirect photolysis

Any other information on results incl. tables

RS-Freetext:
Degradation rate: 3.82 x l0e-14 mol/l/s Half-life: 28.7 years

Applicant's summary and conclusion