Description

4',4'''-Azobisacetophenone is a high-purity organic compound belonging to the class of azo initiators, widely recognized for its role in initiating polymerization reactions. Its value lies in providing a reliable and controlled source of free radicals, which is critical for achieving consistent polymer properties in industrial synthesis. This product is essential for R&D laboratories and manufacturers in the polymer, specialty chemical, and advanced materials sectors seeking precise thermal decomposition characteristics.

Application

• As a free-radical initiator for the polymerization of vinyl monomers such as styrene, acrylates, and methacrylates.
• In the synthesis of specialty polymers and resins where controlled molecular weight and architecture are required.
• For cross-linking applications in the production of thermoset plastics and elastomers.
• In material science research for developing novel polymeric materials and composites.
• As a chemical intermediate in organic synthesis for constructing complex molecular frameworks.
• In the surface coating industry for initiating curing reactions in specific resin formulations.

Basic Information

Product Name	4',4'''-Azobisacetophenone
CAS No.	18179-86-7
Molecular Formula	C16H14N2O2
Molecular Weight	266.30 g/mol
Synonyms	4,4'-Azobis(4-cyanovaleric acid) (common misnomer for related compound); 1,1'-Azobis(4-cyanocyclohexane); p,p'-Azobis(α-cyanocyclohexane); 4-Cyano-4'-[(4-cyanocyclohexyl)diazenyl]cyclohexane-1-carbonitrile; Azobis(4-cyanocyclohexane); Azoisobutyronitrile derivative; ACCN (abbreviation); Azo initiator V-40
EINECS	Contact for details

Quality Control

Our 4',4'''-Azobisacetophenone is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay by HPLC, identification by FT-IR, and quantification of key impurities, to ensure it meets the high standards required for polymerization initiators. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability, purity, and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This compound is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere for long-term storage). Keep away from heat, sparks, and open flame. Isolate from incompatible materials such as strong reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	105 - 110 °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.