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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
16 January 2008-14 May 2008
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: The 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:
2008
Report date:
2008

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
Details on test material:
- Name of test material (as cited in study report): S-500
- Physical state: yellow powder
- Lot/batch No.: MF1456-2345
- Expiration date of the lot/batch: 18 August 2011
- Storage condition of test material: At room temperature in the dark
- Stability under storage conditions: Stable

Results and discussion

Vapour pressure
Temp.:
20 °C
Vapour pressure:
< 0 Pa
Remarks on result:
other: The weight loss of the test substance at 215°C was lower than the weight loss of benzo(ghi)perylene (reference substance) at 210°C. From this, it was concluded that the vapour pressure of the test substance is < 1.33 x 10^-8 Pa = < 1.00 x 10^-10 mm Hg.

Applicant's summary and conclusion

Conclusions:
The isothermal thermogravimetric effusion method was chosen for the determination of the vapour pressure of S-500. The vapour pressure of the test substance at 20°C (293K) was < 1.33 x 10^-8 Pa = < 1.00 x 10^-10 mm Hg.