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Auto flammability

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Reference
Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
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:
other: Lowest temperature determined at which substance vaporizes to form an ignitable mixture in air
Principles of method if other than guideline:
Lowest temperature determined at which substance vaporizes to form an ignitable mixture in air
GLP compliance:
not specified
Specific details on test material used for the study:
- Name of test material (IUPAC name): 1,4-phenylene bis[(4-phenoxyphenyl)-methanone]
- Molecular formula: C32H22O4
- Molecular weight: 470.5218 g/mol
- Smiles : c1ccc(cc1)Oc2ccc(cc2)C(=O)c3ccc(cc3)C(=O)c4ccc(cc4)Oc5ccccc5
- InChI : 1S/C32H22O4/c33-31(25-15-19-29(20-16-25)35-27-7-3-1-4-8-27)23-11-13-24(14-12-23)32(34)26-17-21-30(22-18-26)36-28-9-5-2-6-10-28/h1-22H
- Substance Type: Organic
- Physical State: Solid
- Batch No./ Lot no.: E18/11
- Physical Appearance: White solid powder
- Purity: > 99 % by HPLC
- Stability: Stable in recommended storage conditions
- Storage Conditions: Ambient Temp (23 to 27 °C) √ (Store in a cool place. Keep containers tightly closed in a dry and well ventilated place)
Key result
Remarks on result:
other: Chemical (CAS No. 54299-17-1) ignites only when the flame of bunsen burner having temperature of 950°C is brought in contact with it.Thus it can be concluded that substance is flammable only at high temperature of about 950°C.
Conclusions:
[4-(4-phenoxybenzoyl)phenyl](4-phenoxyphenyl)methanone did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicates that [4-(4-phenoxybenzoyl)phenyl](4-phenoxyphenyl)methanone is not auto-flammable.
Executive summary:

[4-(4-phenoxybenzoyl)phenyl](4-phenoxyphenyl)methanone did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicates that [4-(4-phenoxybenzoyl)phenyl](4-phenoxyphenyl)methanone is not auto-flammable.

Description of key information

[4-(4-phenoxybenzoyl)phenyl](4-phenoxyphenyl)methanone did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicates that [4-(4-phenoxybenzoyl)phenyl](4-phenoxyphenyl)methanone is not auto-flammable.

Key value for chemical safety assessment

Additional information

[4-(4-phenoxybenzoyl)phenyl](4-phenoxyphenyl)methanone did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicates that [4-(4-phenoxybenzoyl)phenyl](4-phenoxyphenyl)methanone is not auto-flammable.