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Physical & Chemical properties

Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
supporting study
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Reference:
Composition 0
Qualifier:
no guideline followed
Principles of method if other than guideline:
no information
GLP compliance:
not specified
Type of method:
other: no information
Test material information:
Composition 1
Test no.:
#1
Temp.:
ca. 25 °C
Vapour pressure:
0.002 mm Hg
Conclusions:
According to Physical property data is provided to ChemIDplus by SRC, Inc., Vapour pressure of DBTU is about 2.38e-8 mmHg
Executive summary:

According to Physical property data is provided to ChemIDplus by SRC, Inc., Vapour pressure of DBTU is about 2.38e-8 mmHg

Description of key information

Three different sources are compared:

  • According to ACS calculation, vapour pressure of DBTU is about 2.03 .10-3 torr (0.266 Pa) at 25°C.
  • According to Physical property data is provided to ChemIDplus by SRC, Inc., Vapour pressure of DBTU is about 2.38e-8 mmHg (3.05 .10 -5 Pa)
  • According to the OECD Toolbox QSAR, VP of DBTU is about 0.00254 mmHg -- Vapor Pressure (Modified Grain Method) (EPISUITE). (0.338 Pa)

As a worst case value, VP of DBTU should be lower to 0.25 Pa at 25°C

Key value for chemical safety assessment

Vapour pressure:
0.25 Pa
at the temperature of:
25 °C

Additional information