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Physical & Chemical properties

Vapour pressure

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Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
19 July 2017
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Qualifier:
according to guideline
Guideline:
other: ASTM E 1719-97 “Vapor Pressure Measurement by Ebuilliometry”
Deviations:
no
GLP compliance:
no
Type of method:
dynamic method
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: ZF-0002-1884-0 Batch ID 2736469
Key result
Temp.:
20 °C
Vapour pressure:
213 mm Hg

 Temp (°C)  Vapor Pressure (mm Hg)
 27.9 296.9 
 36.8 395.9 
 42.7 494.0 
 47.6 595.2 
 53.8 736.3 

ln(Pvap)= -3479.493243/(T (°C) + 273.15) + 17.231635

R2=0.997315

Conclusions:
The vapor pressure of MTDID 22327 is 213 mm Hg at 20 °C.
Executive summary:

A vapor pressure of 213 mm Hg at 20 °C for MTDID 22327 was extrapolated from data measured for the compound using the dynamic method. The vapor pressure and temperature were recorded at a variety of equilibrium points from 27.9 °C to 53.8 °C. The study was conducted following method ASTM E 1719-97 but was not conducted in accord with GLP guidelines; therefore, the study is considered reliable with restrictions.

Endpoint:
vapour pressure
Type of information:
not specified
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment
Qualifier:
no guideline followed
GLP compliance:
no
Key result
Test no.:
#1
Vapour pressure:
33 330.5 Pa
Remarks on result:
other: temperature not reported
Remarks:
(250 mm Hg)
Conclusions:
A vapor pressure of 33330.5 Pa (250 mm Hg) was reported for MTDID 22327.
Executive summary:

A vapor pressure of 33330.5 Pa (250 mm Hg) was reported for MTDID 22327. Only the result was reported on the SDS and no information about the temperature or method used were provided; therefore the reliability of the data is not assignable.

Description of key information

The vapor pressure of MTDID 22327 is 213 mm Hg at 20 °C (ASTM E 1719 -97).

Key value for chemical safety assessment

Additional information

In the key study, a vapor pressure of 213 mm Hg at 20 °C for MTDID 22327 was extrapolated from data measured for the compound using the dynamic method. The vapor pressure and temperature were recorded at a variety of equilibrium points from 27.9 °C to 53.8 °C. The study was conducted following method ASTM E 1719-97 but was not conducted in accord with GLP guidelines; therefore, the study is considered reliable with restrictions. In a supporting study, a vapor pressure of 33330.5 Pa (250 mm Hg) was reported for MTDID 22327. Only the result was reported on the SDS and no information about the temperature or method used were provided; therefore the reliability of the data is not assignable.