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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:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1989
Report Date:
1989

Materials and methods

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

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
liquid
Details on test material:
Name of test material (as cited in study report): Methylchlorformiat
Analytical purity: >98 %

Results and discussion

Vapour pressure
Key result
Temp.:
20 °C
Vapour pressure:
137.53 hPa
Remarks on result:
other: calculated from the regression derived equation
Vapour pressure at 50°C (if relevant for classification of gas under pressure)
Key result
Vapour pressure:
485.51 hPa
Remarks on result:
other: calculated from the regression derived equation

Any other information on results incl. tables

Temperature  Vapor pressure     Temperature  Vapor pressure
   (°C)          (hPa)             (°C)          (hPa)
    20           137.53*            80          1361.16* 
    28.44        200                88.62       1762
    30           215.83*            90          1842.92*
    37.73        300                98.63       2350
    40           328.29*           100          2452.15*
    50           485.51*           109.03       3129
    50.50        500               110          3211.21*
    59.62        700               119.67       4116
    60           700.02*           120          4144.10*
    69.99       1000               127.73       5046
    70           986.38*           130          5276.40*
    70.81       1013.25            140          6635.02*
    79.9        1314               142.44       7003 

* = vapor pressure calculated from the regression derived equation: 

ln (p/bar) = A + B / (C + t/°C) 

A = 10.5620
B = -3367.20
C = 248.39

Applicant's summary and conclusion