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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Vapour pressure

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Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2008
Report date:
2008

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
GLP compliance:
yes (incl. QA statement)
Type of method:
dynamic method

Test material

Constituent 1
Chemical structure
Reference substance name:
Isobutyl (S)-2-chloropropionate
EC Number:
280-349-5
EC Name:
Isobutyl (S)-2-chloropropionate
Cas Number:
83261-15-8
Molecular formula:
C7H13ClO2
IUPAC Name:
isobutyl (S)-2-chloropropanoate
Constituent 2
Reference substance name:
Isobutyl 2-chloropropionate
EC Number:
263-411-6
EC Name:
Isobutyl 2-chloropropionate
Cas Number:
62108-67-2
IUPAC Name:
isobutyl 2-chloropropanoate
Details on test material:
Name of test material (as cited in study report): L-Chloropropionic acid isobutylester
Analytical purity: 99.8 area-%

Results and discussion

Vapour pressureopen allclose all
Temp.:
20 °C
Vapour pressure:
0.93 hPa
Remarks on result:
other: calculated from the regression equation
Temp.:
50 °C
Vapour pressure:
7 hPa
Remarks on result:
other: calculated from the regression equation

Any other information on results incl. tables

experimental data: 13.5°C - 177.0°C

The regression of the results leads with a mean deviation of

0.26 % to the following equation:

In(p/hPa) = 16.6977 - 3671.43 / (198.88 + t/°C)

Applicant's summary and conclusion