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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
vapour pressure
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1990
Report date:
1990

Materials and methods

Test guideline
Guideline:
other: Dynamic method under Argon
GLP compliance:
no
Type of method:
dynamic method

Test material

Constituent 1
Chemical structure
Reference substance name:
methyl (2E)-3-methyl-4-oxobut-2-enoate
EC Number:
609-870-1
Cas Number:
40835-18-5
Molecular formula:
C6 H8 O3
IUPAC Name:
methyl (2E)-3-methyl-4-oxobut-2-enoate
Test material form:
other: liquid
Details on test material:
IUCLID4 Test substance: as prescribed by 1.1 - 1.4
- Name of test material (as cited in study report):3-Formylcrotonsäuremethylester
- Physical state: Liquid
- Analytical purity: 99.2 %
- Impurities (identity and concentrations): not specified
- Purity test date:
- Lot/batch No.: Abl. Nr. 00-0007
- Storage condition of test material: ambient
- Water solubility: 654 mg/L

Results and discussion

Vapour pressureopen allclose all
Test no.:
#1
Temp.:
20 °C
Vapour pressure:
0.638 hPa
Remarks on result:
other: extrapolated value
Test no.:
#2
Temp.:
25.94 °C
Vapour pressure:
1 hPa
Test no.:
#3
Temp.:
41.42 °C
Vapour pressure:
3 hPa
Test no.:
#4
Temp.:
49.68 °C
Vapour pressure:
5 hPa

Any other information on results incl. tables

The vapour pressure was measured in a range from 1.00 Pa to 1000 hPa (25.94 °C to 181.22 °C).

Applicant's summary and conclusion