Diphenylamine (data page)

This page provides supplementary chemical data on diphenylamine.

Physical data

• Appearance: white to yellow crystals or powder
• Melting point: 52 - 54 °C
• Boiling point: 302 °C
• Vapour density: 5.82 (air = 1)
• Vapour pressure: 1 mm Hg at 108 °C
• Flash point: 152 °C (closed cup)
• Explosion limits: 634 °C
• Autoignition temperature: 635 °C
• Water solubility: Slightly
• Specific gravity: 1.16
• Flash point: 152
• Stability: Stable under ordinary conditions, may discolour on exposure to light. Incompatible with strong acids, strong oxidizing agents.

Toxicology

• Toxic. Possible mutagen. Possible teratogen. Harmful in contact with skin, and if swallowed or inhaled. Irritant.
• Toxicity data

ORL-RAT LD50 2000 mg kg-1

ORL-MUS LD50 1750 mg kg-1

ORL-GPG LD50 300 mg kg-1

ORL-MAM LD50 3200 mg kg-1

References

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• Except where noted otherwise, data relate to Standard temperature and pressure.
• Reliability of data general note.