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China Triphenylphosphine - China Supplier
China Triphenylphosphine - China Supplier

Triphenylphosphine

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Industry Category: Chemicals/Chemical Intermediates/Intermediate Compounds
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Description
Additional Information

Product Category:Intermediate/Pharmaceutical Intermediate
English Name:Triphenylphosphine
CAS NO:603-35-0
Molecular Weight:262.29 
EC NO:210-036-0
Molecular Formula:C18H15P
InChI:InChI=1/C18H15P.BrH/c1-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9-15-18;/h1-15H;1H
Product Introduction:Triphenylphosphine is a fundamental raw material for rhodium-phosphine complex catalysts and has broad applications in the domestic petrochemical industry. It is also used in the pharmaceutical industry, organic synthesis, analysis, and other fields. Additionally, it serves as a brightener in dye processes, an antioxidant in the development of color films, a stabilizer for polyepoxidation, and an analytical reagent.
Also known as triphenylphosphine, triphenylphosphorus, phosphine triphenyl, triphenyl phosphate, etc., it was referred to as triarylphosphines in older literature.
English name: triphenylphosphine
Abbreviation: PPh3
Molecular formula: C18H15P (a triphenyl-substituted phosphine)
Molecular weight: 262.30
CAS number: 603-35-0
EINECS number: 210-036-0
Molecular geometry: Trigonal pyramidal
Appearance: White loose powder.
Solubility: Soluble in alcohol, benzene, and chloroform; slightly soluble in esters; almost insoluble in water.
Density (relative to water): 1.194 (25°C)
Melting point: 80.5°C.
Boiling point: 377°C (91 kPa).
Flash point (open cup): 180°C.
Applications:
Triphenylphosphine is a fundamental raw material for rhodium-phosphine complex catalysts and has broad applications in the domestic petrochemical industry. It is also used in the pharmaceutical industry, organic synthesis, analysis, and other fields. Additionally, it serves as a brightener in dye processes, an antioxidant in the development of color films, a stabilizer for polyepoxidation, and an analytical reagent.
1. Used in organic synthesis, polymerization initiators, raw material for antibiotic drugs like clindamycin, and as a standard sample for phosphorus determination in organic microanalysis.
2. Preparation of palladium, iridium, rhodium, nickel, and other complex catalysts; Wittig reagent; deoxygenation of triphenylphosphine dihalides (pyridine N-oxide, nitrosobenzene, hydroperoxides); desulfurization and debromination reagents. Converts α-bromonitro compounds to nitriles. Reacts with aliphatic diazo compounds to synthesize α-ketoaldehydes and β-keto esters. Facilitates Beckmann rearrangement. Dequaternization of pyridinium salts. Used in various syntheses with bromine, iodine, carbon tetrachloride (bromide), N-bromosuccinimide, etc.
3. Triphenylphosphine is a commonly used reducing agent, with reactions typically driven by the formation of triphenylphosphine oxide (a thermodynamically favorable reaction). It is also widely employed as a ligand in metal catalysts.
Storage Method:
Storage precautions: Store in a cool, well-ventilated warehouse. Keep away from fire and heat sources. Ensure packaging is sealed. Store separately from oxidizers and food chemicals; avoid mixed storage. Equip with appropriate types and quantities of fire-fighting equipment. The storage area should have suitable materials to contain leaks.
Alias:Triphenylphosphine; Triphenylphosphorus; Phosphine triphenyl; Triphenyl phosphate
Structural Formula:

Industry Category Chemicals/Chemical Intermediates/Intermediate Compounds
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Stock: 100000
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Origin: China / Shandong / Dongyingshi
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