Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2007
Report date:
2007

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
GLP compliance:
no
Type of method:
dynamic method

Test material

Constituent 1
Chemical structure
Reference substance name:
Ethyl difluoroacetate
EC Number:
207-223-4
EC Name:
Ethyl difluoroacetate
Cas Number:
454-31-9
Molecular formula:
C4H6F2O2
IUPAC Name:
ethyl difluoroacetate

Results and discussion

Vapour pressureopen allclose all
Temp.:
20.03 °C
Vapour pressure:
30.03 hPa
Temp.:
56.98 °C
Vapour pressure:
200.2 hPa

Any other information on results incl. tables

ln (p/bar) = 9.6167-2860.50/(197.96+t) [t] = °C mean deviation: 0.16 % range of measurement :13.5 bis 99.8 °C

Temperature (°C)  measurement (hPa) calculation (hPa)
13.50  20.02 20.080
 20.03  30.03 30.015
 28.91  50.01 50.077
 35.01  70.03 69.664
 41.98  99.98 99.588
 56.98  200.2  200.52
 66.43  300.3  301.00
 79.56  500.1  502.27
 88.89  700.1  401.38
 99.85  1013.7  1008.90

Applicant's summary and conclusion