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Flash point

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Reference
Endpoint:
flash point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017-02-01 – 2017-02-01
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to guideline study
Justification for type of information:
Experimental test result performed using standard test guidelines
Qualifier:
according to
Guideline:
ISO No., other: OECD 103
Principles of method if other than guideline:
The flash point of a flammable liquid is the lowest temperature at which there will be enough flammable vapor to ignite when an ignition source is applied.
GLP compliance:
no
Type of method:
closed cup
Flash point apparatus:
Pensky-Martens apparatus
Specific details on test material used for the study:
- Name of test material: 2,2'-(ethene-1,2-diyldi-4,1-phenylene)bis(1,3-benzoxazole)
- Molecular formula: C28 H18 N2 O2
- Molecular weight: 414.462 g/mol
- Smiles notation: n1c2ccccc2oc1c1ccc(\C=C\c2ccc(c3oc4ccccc4n3)cc2)cc1
- InChl: 1S/C28H18N2O2/c1-3-7-25-23(5-1)29-27(31-25)21-15-11-19(12-16-21)9-10-20-13-17-22(18-14-20)28-30-24-6-2-4-8-26(24)32-28/h1-18H/b10-9+
- Substance type: Organic
- Physical state: Solid
Key result
Flash point:
282.6 °C
Atm. press.:
978 hPa
Remarks on result:
other: by closed cup method
Interpretation of results:
other: non-flammable
Conclusions:
The mean flash point of 2,2'-(vinylenedi-p-phenylene)bisbenzoxazole (CAS No. 1533-45-5) is 282.6°C at 978.0hPa.
Executive summary:

The flash point determination of 2,2'-(vinylenedi-p-phenylene)bisbenzoxazole (CAS No. 1533-45-5)was done following closed cup method using Pensky-Martens flash point apparatus. The test was conducted in replicates and mean flash point was determined to be 282.6°C at 978.0 hPa.

Description of key information

The mean flash point of 2,2'-(vinylenedi-p-phenylene)bisbenzoxazole (CAS No. 1533-45-5) is 282.6°C at 978.0 hPa.

Key value for chemical safety assessment

Flash point at 101 325 Pa:
282.6 °C

Additional information

The flash point determination of 2,2'-(vinylenedi-p-phenylene)bisbenzoxazole (CAS No. 1533-45-5) was done following closed cup method using Pensky-Martens flash point apparatus. The test was conducted in replicates and mean flash point was determined to be 282.6°C at 978.0 hPa.

Other supporting data from authoritative database Scifinder, estimated the flash point of 2, 2’-(ethene-1, 2-diyldi-4, 1-phenylene)bis(1,3-benzoxazole) (CAS no. 1533-45-5) as 285.1±21.0 °C.

Based on the experimental and estimated values, the given chemical 2, 2’-(ethene-1, 2-diyldi-4, 1-phenylene)bis(1,3-benzoxazole) (CAS No 1533-45-5) was not classified as flammable.