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Auto flammability

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Reference
Endpoint:
auto-ignition temperature, other
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 the test chemical: 4-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid
Molecular formula: C16H13NO7S2
Molecular weight: 395.4107 g/mol
Smiles Notation: c1cc(cc(c1)S(=O)(=O)O)Nc2ccc3cc(cc(c3c2)O)S(=O)(=O)O
InChI: 1S/C16H13NO7S2/c18-16-9-14(26(22,23)24)6-10-4-5-12(8-15(10)16)17-11-2-1-3-13(7-11)25(19,20)21/h1-9,17-18H,(H,19,20,21)(H,22,23,24)
Substance Type: Organic
Physical State: Solid
Key result
Remarks on result:
other: 4-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid 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-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicated that 4-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid is not auto-flammable.
Executive summary:

4-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicated that 4-hydroxy-6-(3 -sulphoanilino)naphthalene-2-sulphonic acid is not auto-flammable.

Description of key information

4-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicated that 4-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid is not auto-flammable.

Key value for chemical safety assessment

Additional information

4-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicated that 4-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid is not auto-flammable.