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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Title:
No information
Author:
Chemicals Evaluation and Research Institute (CERI), Japan|(1999a). Unpublished report
Year:
2002

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 111 (Hydrolysis as a Function of pH)

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

TS-Freetext:
-Source: Wako Pure Chemical Industries,Ltd.
-Lot No.LEM4431
-Purity: 99.6 %

Results and discussion

Dissipation DT50 of parent compoundopen allclose all
pH:
4
Temp.:
25 °C
DT50:
34.9 h
pH:
7
Temp.:
25 °C
DT50:
33.1 h
pH:
9
Temp.:
25 °C
DT50:
36.4 h

Any other information on results incl. tables

RS-Freetext:
Half-life times of OCBC at 25 deg C:
=======================================================
pH    Half-life time        Temperature    Rate constant
      in hours (t1/2)        in deg C       in hours-1
-------------------------------------------------------
pH4   34.9              25             1.99E-2
pH7   33.1              25             2.1E-2
pH9   36.4              25             1.90E-2
=======================================================

RS-Freetext:
The o-chlorobenzyl chloride (OCBC) is hydrolyzed at pH 4.0,
7.0 and 9.0. (not stable in water)

Applicant's summary and conclusion