Description

Allyltriphenylphosphonium Bromide is a versatile organophosphorus salt widely used as a key reagent in organic synthesis. Its primary value lies in its role as a stable ylide precursor for the Wittig reaction, enabling the efficient synthesis of alkenes from carbonyl compounds. This high-purity chemical is essential for research and production in the pharmaceutical, agrochemical, and advanced materials sectors, where precise and reliable building blocks are critical.

Application

• Wittig Olefination Reagent: A fundamental reagent for the synthesis of alkenes, dienes, and other unsaturated compounds in complex molecule construction.
• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates requiring specific alkene functionalities.
• Agrochemical Synthesis: Employed in creating herbicides, fungicides, and plant growth regulators that incorporate allyl or other alkene groups.
• Ligand and Catalyst Preparation: Serves as a precursor for phosphine ligands used in transition metal catalysis, such as cross-coupling reactions.
• Polymer and Material Science: Utilized in the synthesis of specialty monomers and functional polymers, including those with photoactive or conductive properties.
• Fine Chemical Production: Applied in the manufacture of flavors, fragrances, and dyes where specific carbon-carbon double bond formation is required.

Basic Information

Product Name	Allyltriphenylphosphonium Bromide
CAS No.	1560-54-9
Molecular Formula	C21H20BrP
Molecular Weight	383.26 g/mol
Synonyms	Allyltriphenylphosphonium bromide; (3-Bromopropyl)triphenylphosphonium; Allyl(triphenyl)phosphonium bromide; Triphenyl(2-propenyl)phosphonium bromide; Phosphonium, triphenyl-2-propenyl-, bromide; 2-Propen-1-yltriphenylphosphonium bromide; NSC 163082
EINECS	216-329-4

Quality Control

Our Allyltriphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	228 - 232 °C
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.