2,5-diphenyloxazole

Vapour pressure

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 guideline

Test guideline 1

Qualifier:

equivalent or similar to guideline

Guideline:

EU Method A.4 (Vapour Pressure)

Test guideline 2

Qualifier:

equivalent or similar to guideline

Guideline:

OECD Guideline 104 (Vapour Pressure Curve)

GLP compliance:

yes

Type of method:

effusion method: vapour pressure balance

Test material

Test material information

1

Reference substance name:

2,5-diphenyloxazole

EC Number:

202-181-3

EC Name:

2,5-diphenyloxazole

Cas Number:

92-71-7

Molecular formula:

C15H11NO

IUPAC Name:

2,5-diphenyl-1,3-oxazole

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.