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Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
10 September 2010 - 20 October 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: This study has been performed according to OECD and EC guidelines and according to GLP principles.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
effusion method: by loss of weight or by trapping vaporisate

Test material

Constituent 1
Reference substance name:
No.338 RED
IUPAC Name:
No.338 RED
Details on test material:
- Substance type: Red powder
- Lot/batch No.: 00004


Results and discussion

Vapour pressure
Temp.:
20 °C
Vapour pressure:
< 0 Pa
Transition / decomposition
Transition / decomposition:
yes
Transition temp.:
> 228 °C

Any other information on results incl. tables

The weight loss of the test substance at 170°C, 180°C, 190°C and 200°C was lower than the weight loss of chrysene at the same temperatures. From this, it was concluded that the vapour pressure of the test substance is < 8.40 x 10 -7 Pa = <6.30 x 10 -9 mm Hg.

Applicant's summary and conclusion

Conclusions:
The isothermal thermogravimetric effusion method was chosen for the determination of the vapour pressure of the substance. The vapour pressure of the test substance at 20°C (293K) was < 8.40 x 10-7 Pa = < 6.30 x 10-9 mm Hg.

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