Triphenylphosphine (TPP)

CAS NO. 603-35-0

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Product Description

Product Name	Triphenylphosphine (TPP) (Synonyms: Triphenylphosphane; Phosphorustriphenyl)
CAS NO.	603-35-0
Formula & Weight	C18H15P (MW: 262.29)
Chemical Structure
Quality Specifications	Appearance: White crystalline flakes (Low dust) Assay (GC): ≥ 99.5% (High Purity) Melting Point: 79.0 - 82.0 °C TPPO (Impurity): ≤ 0.3% (Strictly controlled) Loss on Drying: ≤ 0.1%
Key Applications	TPP is a versatile reagent widely used in: Vitamin Synthesis: Key intermediate for Vitamin A, D, and Carotenoids (via Wittig reaction). UV Curing: Essential raw material for UV photoinitiators (e.g., TPO/BAPO) in coatings and inks. Organic Synthesis: Catalyst for Mitsunobu reactions and hydroformylation processes. Polymer Industry: Used as a stabilizer and antioxidant for plastics.
Packaging & Storage	Packaging: 25kg Kraft Bag / 500kg Jumbo Bag. Storage: Store in a cool, dry place. Keep away from oxidizing agents to prevent TPPO formation.

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