Bis (3,5-dimethylphenyl) phosphine oxide, 187344-92-9

Chemical Encyclopedia

October 22, 2025

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Chinese name: bis (3,5-dimethylphenyl) phosphine oxide
english name:(XYL)2P(O)H
chinese alias: bis (3,5-dimethylphenyl) phosphorus oxide
english alias: Bis(3,5-Dimethylphenyl)Phosphine Oxide;
CAS No:187344-92-9
chemical formula: C16H19OP
molecular weight:258.295
melting point:82-84 ℃
boiling point: 414.844 ℃ at760mmHg
Flash Point: 204.691 ℃
Vapor pressure: 0mmHgat25°C
Hazard Category Code:20/21/22: Harmful by inhalation, skin contact and swallowing.
Safety instructions: s26: After contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39: Wear appropriate protective clothing, gloves and goggles or masks.