Description

4,4'-Diacetoxystilbene is a high-purity organic intermediate of significant commercial importance. This compound serves as a critical building block in the synthesis of advanced materials and fine chemicals, valued for its defined molecular structure and reactivity. It is primarily sought after by manufacturers and R&D laboratories in the pharmaceutical, liquid crystal, and specialty polymer industries for developing new products and processes.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various active pharmaceutical ingredients (APIs) and therapeutic agents.
• Liquid Crystal Materials: Used in the production of monomers and compounds for liquid crystal displays (LCDs) due to its rigid, conjugated structure.
• Organic Synthesis Building Block: Serves as a versatile starting material or intermediate in complex organic synthesis, including cross-coupling reactions.
• UV Absorber & Stabilizer Precursor: A raw material for manufacturing compounds used in polymer stabilization against ultraviolet light degradation.
• Fluorescent Dye & Pigment Synthesis: Utilized in the creation of organic dyes and pigments that require a stilbene core for optical properties.
• Research & Development: Employed in academic and industrial R&D for exploring new chemical entities and material science applications.

Basic Information

Product Name	4,4'-Diacetoxystilbene
CAS No.	63449-52-5
Molecular Formula	C18H16O4
Molecular Weight	296.32 g/mol
Synonyms	1,1'-(1,2-Ethenediyl)bis[4-(acetyloxy)benzene]; 4,4'-Diacetoxy-trans-stilbene; Bis(4-acetoxyphenyl)ethylene; Stilbene-4,4'-diyl diacetate; 4-Acetoxystilbene-4'-yl acetate; 4,4'-Dihydroxystilbene diacetate; (E)-1,2-Bis(4-acetoxyphenyl)ethene; trans-4,4'-Diacetoxystilbene
EINECS	Contact for details

Quality Control

Our 4,4'-Diacetoxystilbene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, and is supplied with a corresponding Certificate of Analysis (COA). We adhere to cGMP principles where applicable to meet the stringent requirements of our global customer base in advanced manufacturing.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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