Description

Benzyl (Triphenylphosphoranylidene)Acetate is a high-value Wittig reagent, a stabilized ylide widely used in organic synthesis for the stereoselective formation of carbon-carbon double bonds. Its primary commercial value lies in enabling the efficient production of α,β-unsaturated esters, key intermediates in pharmaceuticals and fine chemicals. This reagent is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-purity building blocks for complex molecule assembly.

Application

• Pharmaceutical Intermediate Synthesis: Key reagent for constructing olefin segments in active pharmaceutical ingredients (APIs) and drug candidates.
• Fine Chemical Production: Used in the synthesis of fragrances, flavors, and specialty chemicals requiring specific alkene geometry.
• Agrochemical Development: Employed in creating advanced herbicide and pesticide molecules with tailored properties.
• Material Science Research: Facilitates the synthesis of conjugated organic molecules for electronic and optical materials.
• Academic & Industrial R&D: A staple Wittig reagent in laboratory-scale reactions and process chemistry optimization.
• Stereoselective Olefination: Preferred for reactions where control over the E/Z geometry of the resulting alkene is critical.

Basic Information

Product Name	Benzyl (Triphenylphosphoranylidene)Acetate
CAS No.	15097-38-8
Molecular Formula	C27H23O2P
Molecular Weight	410.44 g/mol
Synonyms	Benzyl 2-(Triphenylphosphoranylidene)acetate; (Carbobenzyloxy)methylenetriphenylphosphorane; Benzyl (triphenylphosphoranylidene)ethanoate; (Benzyloxycarbonylmethylene)triphenylphosphorane; Wittig Reagent (Benzyl Ester); Benzyl triphenylphosphoranylideneacetate; Benzyl P,P,P-triphenylphosphoran-ylideneacetate; Benzyl 2-(triphenyl-λ5-phosphanylidene)acetate
EINECS	Contact for details

Quality Control

Our Benzyl (Triphenylphosphoranylidene)Acetate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including NMR, HPLC, and FT-IR for identity and purity verification, to ensure it meets the stringent requirements of synthesis applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and batch-to-batch consistency for our global B2B clients.

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). Keep the container tightly sealed under an inert atmosphere to prevent degradation and moisture uptake. Store away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	142 - 148 °C
Loss on Drying	≤ 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.