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Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
31st October 2000 to 11th December 2000
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7950 (Vapor Pressure)
Deviations:
no
GLP compliance:
yes
Type of method:
spinning rotor
Key result
Temp.:
20 °C
Vapour pressure:
< 0 Pa

Table 1: Vapour pressure measurements by the spinning rotor gauge method

 Sample  Measured vapour pressure1 (Pa)  Mean vapour pressure1 (Pa)  S.D.
 Blank (test material parameters)  4.79 x 10-5  <4.04 x 10 -5  N/A
   <4.04 x 10-5    
   <4.04 x 10-5    
 Test material  <4.04 x 10-5  <4.04 x 10 -5  N/A
   <4.04 x 10-5    
   <4.04 x 10-5    

1The LOQ for vapour pressure measurements was defined as the mean background vapour pressure using air parameters = 4.04 x 10-5 Pa

Conclusions:
Under the conditions of the test, the vapour pressure of the test material was determined to be <4.04 x 10E-5 Pa at 20 ºC using the spinning rotor gauge method.
Executive summary:

In a GLP compliant vapour pressure study conducted in accordance with standardised guidelines OECD 104 and EPA OPPTS 830.7950, the vapour pressure of the test material was determined using the spinning rotor gauge method. Under the conditions of the test, the vapour pressure of the substance was determined to be <4.04 x 10-5 Pa at 20 ºC.

Description of key information

Vapour pressure was determined to be <4.04 x 10E-5 Pa at 20 ºC; study conducted in accordance with OECD Guideline 404 and EPA OPPTS 830.7950; Lezotte and Nixon (2000)

Key value for chemical safety assessment

Vapour pressure:
0 Pa
at the temperature of:
20 °C

Additional information

In a GLP compliant vapour pressure study conducted in accordance with standardised guidelines, the vapour pressure of the test material was determined using the spinning rotor gauge method. Under the conditions of the test, the vapour pressure of the substance was determined to be <4.04 x 10-5 Pa at 20 ºC.

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