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EC number: 500-107-7 | CAS number: 40039-93-8
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 27/02/2012-23/05/2012
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP comparable to OECD guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7950 (Vapor Pressure)
- Principles of method if other than guideline:
- /
- GLP compliance:
- yes
- Type of method:
- spinning rotor
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Pa
- 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).
- Executive summary:
The mean vapor pressure for Brominated Epoxy at 20 ± 1°C was less than the recommended range of the spinning rotor gauge method (1 x 10-4 Pa).
Reference
The offset value (mean DCR) was 3.0562 x 10-7 s-1 at 20 ± 1C. 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.
Description of key information
Vapor pressure of Brominated Epoxy having Epoxy Equivalent of 400 gr/eq
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 20 °C
Additional information
Vapor pressure was determined at 20 ± 1°C using the spinning rotor gauge method.
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).
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