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Physical & Chemical properties

Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
27/02/2012-23/05/2012
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: read across from a similar analog
Reason / purpose:
reference to same study
Reference:
Composition 0
Qualifier:
according to
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Qualifier:
according to
Guideline:
EPA OPPTS 830.7950 (Vapor Pressure)
GLP compliance:
yes
Type of method:
spinning rotor
Test material information:
Composition 1
Key result
Test no.:
#1
Temp.:
20 °C
Vapour pressure:
0 Pa

The offset value (mean DCR) was 3.0562 x 10-7 s-1 at 20 ±1°C.

This value was based on the average deceleration rate measured with an empty sample chamber.

The mean measured background vapor pressure of the system by the SRG method was 2.22 x 10-5 Pa at 20 ± 1°C.

The mean measured vapor pressure of the reference substance, hexachlorobenzene, by the SRG method was 1.37 x 10-3 Pa at 20 ± 1°C. The vapor pressure was consistent with published values.

The system offset pressure using a weighted average molecular weight of 803 g/mol was 1.4659 x 10-4 Pa at 20 ± 1°C. The mean measured vapor pressure of Brominated Epoxy, using a weighted average molecular weight of 803 g/mol, by the SRG was 1.43 x 10-5 Pa at 20 ± 1°C, which was below the recommended reporting range of the spinning rotor gauge method.

Conclusions:
The mean vapor pressure for Brominated Epoxy at 20 ± 1°C was less than the recommended reporting range of the spinning rotor gauge method (1 x 10-4 Pa). An estimated value for is lower than the value of brominated epoxy. Thus, the estimated VP value for F-2200 is expected to be lower than 1 x 10-4 Pa and is expected to be at a level of 1 x 10-7 Pa
Executive summary:

The estimated VP value for F-2200 is expected to be lower than 1 x 10-4 Pa

Description of key information

The mean vapor pressure for Brominated Epoxy at 20 ± 1°C was less than the recommended reporting range of the spinning rotor gauge method (1 x 10-4 Pa). An estimated value for is lower than the value of brominated epoxy. Thus, the estimated VP value for F-2200 is expected to be lower than 1 x 10-4 Pa and is expected to be at a level of 1 x 10-7 Pa.

Key value for chemical safety assessment

Vapour pressure:
0 Pa

Additional information