Description

(2-Hydroxybenzoyl)Methylenetriphenylphosphorane is a specialized Wittig reagent, a key organophosphorus compound used in the synthesis of complex organic molecules. Its primary value lies in its ability to facilitate the formation of carbon-carbon double bonds, specifically in the synthesis of α,β-unsaturated carbonyl compounds and other fine chemical intermediates. This product is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries who require high-purity, reliable building blocks for complex synthesis.

Application

• Pharmaceutical Intermediate Synthesis: A crucial reagent for constructing key olefinic linkages in active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Production: Used in the synthesis of complex molecules for crop protection agents and pesticides.
• Fine Chemical Manufacturing: Serves as a versatile building block for synthesizing specialty chemicals, flavors, and fragrances.
• Academic & Industrial R&D: A valuable tool in organic chemistry research for developing new synthetic methodologies and novel compounds.
• Material Science: Potential use in the synthesis of organic ligands and precursors for advanced polymeric or electronic materials.

Basic Information

Product Name	(2-Hydroxybenzoyl)Methylenetriphenylphosphorane
CAS No.	81995-11-1
Molecular Formula	C26H21O2P
Molecular Weight	396.42 g/mol
Synonyms	2-Hydroxybenzoylmethylenetriphenylphosphorane; (2-Hydroxybenzoyl)methylene(triphenyl)phosphorane; Salicyloylmethylenetriphenylphosphorane; Triphenyl[(2-hydroxybenzoyl)methylene]phosphorane; Wittig Reagent derived from Salicylaldehyde; Phosphorane, [(2-hydroxybenzoyl)methylene]triphenyl-
EINECS	Contact for details

Quality Control

Our (2-Hydroxybenzoyl)Methylenetriphenylphosphorane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is characterized by advanced analytical techniques including NMR, HPLC, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at 15-25°C. Due to its sensitivity to oxidation and light, prolonged exposure to air or ambient light should be avoided. Keep the container tightly sealed when not in use.

Specification

Item	Specification
Appearance	Yellow to light brown powder or crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95%
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.