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1)Physical properties
Appearance and properties: white crystal.
Ph value: no data
Melting point (℃): 79-82℃      Relative density (water=1): 1.194
Boiling point (℃): 377℃        Relative vapor density (air=1): 9.0
Partition coefficient of octanol/water:
Saturated vapor pressure (kPa):
Critical pressure (MPa):
Flash point (℃): 180(OC)
Upper explosive limit [%(V/V)]: insignificance Lower explosive limit [%(V/V)]: insignificance
Ignition temperature (℃): insignificance
Solubility: insoluble in water, slightly soluble in ethyl alcohol, soluble in benzene, acetone,
and carbon tetrachloride, easily soluble in diethyl ether.
Uses: the product can be widely used in pharmaceutical, petrochemical, coating, rubber, and
other industries as catalyst, accelerator, flame retardant, and analytical regant.

2) Chemical properties
Triphenylphosphine is white solid. Molecular formula is (C6H5)3P.
The product can be widely used in organic synthesis.

Triphenylphosphine can be used in petrochemical, pharmaceutical, textile, and other industries as intermediate,
accelerator, slushing compound, antistatic agent, etc.
Accelerator: as accelerator for hydrogenation of organic compounds and hardening of epoxy resin.
Catalyst: as catalyst for olefine polymerization, linear butene hydroforming, and etc.
Heat stabilizer: as heat stabilizer for glass fibre reinforced polyamide molding material and polycarbonate.
Light stabilizer: in preparing light resistant transparent plastic;
Flame retardant: it is new-model flame retardant, with good effect.
Slushing compound: as antitarnish agent for photographic apparatus.
Antistatic agent: in producing anti-static formaldehyde.
Pharmaceutical intermediate: clindamycin, cefotaxime sodium.
Uses: as intermediate, accelerator, slushing agent, and antistatic agent for petrochemical, pharmaceutical,
textile, and other industries.

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