Description

(2-Dimethylaminoethyl)Triphenylphosphonium Bromide is a versatile and highly reactive quaternary phosphonium salt, primarily valued as a key reagent in organic synthesis. Its core value proposition lies in its ability to act as a potent ylide precursor for the Wittig reaction, facilitating the efficient formation of carbon-carbon double bonds. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors, where it is used to synthesize complex olefins, fine chemicals, and specialized polymers.

Application

• As a Wittig reagent precursor for the synthesis of alkenes, including α,β-unsaturated esters and other functionalized olefins.
• Key intermediate in the production of pharmaceutical active ingredients (APIs) and complex natural product analogs.
• Used in the synthesis of liquid crystals and other advanced organic electronic materials.
• Employed as a phase-transfer catalyst (PTC) in various two-phase organic reactions.
• Reagent for the alkylation of nucleophiles under mild conditions.
• Building block for the preparation of functionalized phosphonium ionic liquids.
• Research and development applications in methodology development for new organic transformations.

Basic Information

Product Name	(2-Dimethylaminoethyl)Triphenylphosphonium Bromide
CAS No.	21331-80-6
Molecular Formula	C22H25BrNP
Molecular Weight	414.32 g/mol
Synonyms	2-(Dimethylamino)ethyltriphenylphosphonium Bromide; [2-(Dimethylamino)ethyl]triphenylphosphonium Bromide; N,N-Dimethyl-2-(triphenylphosphonio)ethanaminium Bromide; (2-Dimethylaminoethyl)triphenylphosphonium Bromide; DMATPPB; Triphenyl[2-(dimethylamino)ethyl]phosphonium Bromide; Phosphonium, [2-(dimethylamino)ethyl]triphenyl-, bromide (1:1)
EINECS	244-350-8

Quality Control

Our (2-Dimethylaminoethyl)Triphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and titration methods, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

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 minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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