Description

(3-Ethoxycarbonyl-2-Methylallyl)Triphenylphosphonium Bromide is a specialized organophosphorus salt widely used as a key reagent in organic synthesis. Its primary value lies in its role as a stabilized ylide precursor for the Wittig reaction, enabling the efficient construction of complex olefins and conjugated diene systems. This high-purity intermediate is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors, particularly for synthesizing fine chemicals and active pharmaceutical ingredients (APIs).

Application

• Wittig Olefination Reagent: A crucial precursor for generating stabilized ylides used in the synthesis of α,β-unsaturated esters and other complex alkenes.
• Pharmaceutical Intermediate: Employed in the construction of key molecular scaffolds for active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and fine chemicals for the agricultural industry.
• Material Science Research: Facilitates the synthesis of organic building blocks for polymers, liquid crystals, and other functional materials.
• Academic & Process R&D: A valuable tool for method development and scale-up studies in synthetic organic chemistry laboratories.
• Fine Chemical Production: Enables the manufacture of specialty esters and other high-value chemical intermediates.

Basic Information

Product Name	(3-Ethoxycarbonyl-2-Methylallyl)Triphenylphosphonium Bromide
CAS No.	29310-37-0
Molecular Formula	C26H28BrO2P
Molecular Weight	483.38 g/mol
Synonyms	(2-Methyl-3-ethoxycarbonylallyl)triphenylphosphonium bromide; (3-Carbethoxy-2-methylallyl)triphenylphosphonium bromide; 2-(Triphenylphosphoranylidene)succinic acid ethyl ester, inner salt, bromide; Ethyl (2-methyl-3-(triphenylphosphonio)allyl)carboxylate bromide; Wittig reagent precursor for ethyl (E)-2-methyl-2-butenoate synthesis
EINECS	Contact for details

Quality Control

Our (3-Ethoxycarbonyl-2-Methylallyl)Triphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a dry environment to prevent degradation. 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%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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