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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Study period:
30 March 2010-22 June 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: This study has been performed according to OECD and EC guidelines and according to GLP principles.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.8 (Partition Coefficient)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
HPLC method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
Ethyl 2-chloroacetoacetate
EC Number:
210-180-4
EC Name:
Ethyl 2-chloroacetoacetate
Cas Number:
609-15-4
Molecular formula:
C6H9ClO3
IUPAC Name:
ethyl 2-chloro-3-oxobutanoate
Details on test material:
- Name of test material (as cited in study report): Chloracetessigester
- Molecular formula: C6H9ClO3
- Molecular weight: 164.59
- Substance type: Clear slightly yellowish liquid
- Physical state: liquid
- Analytical purity: 93.9%
- Impurities (identity and concentrations): -
- Composition of test material, percentage of components: -
- Isomers composition: -
- Purity test date: -
- Lot/batch No.: 001008
- Expiration date of the lot/batch: 26 July 2010 (retest date)
- Stability under test conditions: Stable
- Storage condition of test material: At room temperature in the dark
- Other: -

Study design

Analytical method:
high-performance liquid chromatography

Results and discussion

Partition coefficientopen allclose all
Type:
log Pow
Partition coefficient:
1.2
Temp.:
20 °C
pH:
7
Type:
log Pow
Partition coefficient:
1.2
Temp.:
20 °C
pH:
1

Applicant's summary and conclusion

Conclusions:
The HPLC method was chosen for the determination of the partition coefficient of Chloracetessigester. The Pow and log Pow value of the major peak in the chromatograms of the test substance are: 1.5 x 10E1 and 1.2, respectively (at both neutral pH and pH 1.0)