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Quaternary ammonium and quaternary phosphonium salts

Triphenyl Phosphine(TPP)

Triphenyl Phosphine(TPP)
Formula:C18H15
Molecular Weight:262.29 
CAS NO.:603-35-0 
Specification

Appearance

White flakes

Assay

≥99.8£¥

TPPO

≤0.3%

Melting point

80-82¡æ

Loss on drying

≤0.05%


Properties:In lower than room temperature,it's colorless or pale yellow monocline crystallization. Higher than room temperature,it's colorless or pale yellow oily liquid,irritating odour, irritant to skin,m.p.about 22, b.p.360(0.1MPa), nD 1.589, relative density 1.184(20).It is compatible with organic solvents, such as, alcohols, ethers, benzene, acetone and so on, insoluble in water.
Usage: It widely used in medicine, petrochemical industry, coatings, rubber etc.It can be used as catalyst,promoter,flame retardant,light&thermal stabilizer,lubricants anti-oxidation, and also can be used as polymerization initiators, the material of antibacterial drugs,such as clindamycin etc.
Package 25KG,40KG Bag, Fiber Drum, Steel Drum

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