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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

Currently viewing:

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:
2016
Report date:
2016

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:
1-hydroxy-2-methylpentan-3-one
EC Number:
939-893-5
Cas Number:
27970-79-2
Molecular formula:
C6 H12 O2
IUPAC Name:
1-hydroxy-2-methylpentan-3-one
Test material form:
other: liquid
Details on test material:
Name of test material (as cited in study report): 1-Hydroxy-2-Methyl-3-Pentanone
Analytical purity: The purity determined by GC-FID on a DB-5 capillary column is 90.6 area-% as a mean value of two injections of the test item,
corrected to the water content.
Impurities (identity and concentrations): 0.3 g/100g water
Lot/batch No.: J 1812
Storage condition of test material: Room temperature, protection against light and humidity

Results and discussion

Vapour pressureopen allclose all
Key result
Temp.:
20 °C
Vapour pressure:
0.12 hPa
Remarks on result:
other: extrapolated
Key result
Temp.:
25 °C
Vapour pressure:
0.19 hPa
Remarks on result:
other: extrapolated
Key result
Temp.:
50 °C
Vapour pressure:
1.38 hPa
Remarks on result:
other: interpolated

Any other information on results incl. tables

The vapor pressure of the following table were calculated from the regression equation

Temperature, t/°C

Vapour pressure, p/hPa

20 a)

0.12

25 a)

0.19

50 b)

1.38

a) extrapolated b) interpolated

Applicant's summary and conclusion