Description

Acetic Acid, Bromo(Triphenylphosphoranylidene)-, Ethyl Ester (CAS NO 803-14-5) is a specialized Wittig reagent, a key organophosphorus compound widely used in synthetic organic chemistry for the formation of carbon-carbon double bonds. This reagent is critical for the precise and efficient synthesis of alkenes, olefins, and complex organic intermediates under mild conditions. It is an essential tool for research and development chemists in the pharmaceutical, agrochemical, and advanced materials sectors, where high-purity building blocks are required for complex molecule assembly.

Application

• Pharmaceutical Intermediate Synthesis: A key reagent for constructing alkene functionalities in active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Production: Used in the synthesis of complex molecules for crop protection agents and herbicides.
• Advanced Material Research: Employed in the creation of organic semiconductors, liquid crystals, and specialty polymers.
• Academic & Industrial R&D: A fundamental tool in organic synthesis laboratories for method development and complex molecule construction.
• Fine Chemical Manufacturing: Facilitates the production of high-value fragrance, flavor, and specialty chemical intermediates.

Basic Information

Product Name	Acetic Acid, Bromo(Triphenylphosphoranylidene)-, Ethyl Ester
CAS No.	803-14-5
Molecular Formula	C22H20BrO2P
Molecular Weight	427.27 g/mol
Synonyms	Ethyl (Bromomethylene)triphenylphosphorane; Ethyl bromo(triphenylphosphoranylidene)acetate; (Bromomethylene)triphenylphosphorane ethyl ester; Bromo(triphenylphosphoranylidene)acetic acid ethyl ester; Wittig reagent, bromo-; Ethyl 2-bromo-2-(triphenylphosphoranylidene)acetate; Bromomethylenetriphenylphosphorane ethyl ester; Ethyl α-bromo-α-(triphenylphosphoranylidene)acetate
EINECS	Contact for details

Quality Control

Our Acetic Acid, Bromo(Triphenylphosphoranylidene)-, Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and elemental analysis, to ensure high chemical purity and reaction performance consistency. Certificates of Analysis (COA) with detailed specifications are provided for every shipment, supporting compliance in regulated research and production environments.

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). This compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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