Registration Dossier

Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
10/01/2017-15/01/2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Report Date:
2017

Materials and methods

Test guidelineopen allclose all
Qualifier:
equivalent or similar to
Guideline:
EU Method A.4 (Vapour Pressure)
Qualifier:
equivalent or similar to
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
GLP compliance:
yes
Type of method:
effusion method: vapour pressure balance

Test material

Reference
Name:
Unnamed
Test material form:
solid: crystalline
Details on test material:
Expiry date:01 February 2021
Storage conditions: Room temperature in the dark
Batch 21-16131
Specific details on test material used for the study:
Identification: 2,5-diphenyloxazole
Appearance/Physical state: White crystalline solid

Results and discussion

Vapour pressure
Key result
Temp.:
ca. 25 °C
Vapour pressure:
ca. 0.002 Pa

Any other information on results incl. tables

The vapor pressure of the test item has been determined to be 1.6 x 10-3 Pa at 25 ºC.

Applicant's summary and conclusion

Executive summary:

The vapor pressure of 2,5-diphenyloxazole has been determined to be 1.6 x 10-3 Pa at 25 °C, using the vapor pressure balance method, designed to be compatible with Method A.4 Vapour Pressure of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 104 of the OECD Guidelines for Testing of Chemicals, 23 March 2006.