Description

1,2-Diphenylethene-1,2-Diol is a high-purity organic chemical compound, also known as benzoin, which serves as a versatile intermediate and building block in fine chemical synthesis. Its value lies in its ability to act as a precursor for various pharmaceuticals, photoinitiators, and specialty polymers, offering reliable performance and consistent quality. This compound is essential for R&D laboratories and production facilities in the pharmaceutical, agrochemical, and polymer industries seeking a critical raw material for advanced synthesis.

Application

• Pharmaceutical Intermediate: A key starting material in the synthesis of various active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Photoinitiator Precursor: Used in the manufacture of UV-curing agents for inks, coatings, and adhesives.
• Organic Synthesis Building Block: Employed in asymmetric synthesis, cross-coupling reactions, and the preparation of complex ligands and catalysts.
• Polymer Chemistry: Acts as a monomer or chain modifier in the production of specialty resins and engineering plastics.
• Agrochemical Synthesis: Utilized as an intermediate in the development of advanced crop protection agents.
• Flavor and Fragrance Industry: Serves as a precursor for certain aroma chemicals and fragrance components.
• Research & Development: A valuable reagent for academic and industrial research in organic and medicinal chemistry.

Basic Information

Product Name	1,2-Diphenylethene-1,2-Diol
CAS No.	4721-02-2
Molecular Formula	C14H12O2
Molecular Weight	212.24 g/mol
Synonyms	Benzoin; 2-Hydroxy-1,2-diphenylethanone; 2-Hydroxy-2-phenylacetophenone; Phenyl(phenylacetyl)methanol; α-Hydroxy-α-phenylacetophenone; Desyl alcohol; (RS)-Benzoin; (±)-Benzoin
EINECS	225-208-0

Quality Control

Our 1,2-Diphenylethene-1,2-Diol is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure it meets high-purity standards suitable for demanding applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	133 - 137 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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