Description

4,4'-Azobis(4-Cyanovaleric Acid) is a versatile, water-soluble azo compound widely used as a free radical initiator. Its value lies in its ability to decompose at moderate temperatures to generate free radicals, making it a critical component for initiating polymerization reactions. This product is essential for manufacturers in the polymer, specialty chemical, and research sectors seeking a reliable initiator for producing high-performance materials.

Application

This azo initiator is utilized across various advanced material synthesis processes, including:

• Polymerization Initiator: For the production of acrylic polymers, styrenic resins, and other vinyl polymers via solution, bulk, or emulsion polymerization.
• Surface Modification: To graft polymers onto surfaces for creating functional coatings with specific adhesion or repellency properties.
• Cross-linking Agent: In the synthesis of cross-linked hydrogels and networks for biomedical or superabsorbent applications.
• Research & Development: As a model initiator in kinetic studies and for developing novel polymeric architectures in academic and industrial labs.
• Specialty Chemical Synthesis: For initiating reactions in the manufacture of dyes, pigments, and other fine chemicals.

Basic Information

Product Name	4,4'-Azobis(4-Cyanovaleric Acid)
CAS No.	2638-94-0
Molecular Formula	C12H16N4O4
Molecular Weight	280.28 g/mol
Synonyms	4,4'-Azobis(4-cyanopentanoic acid); 2,2'-Azobis(2-methylpropionamidine) dihydrochloride precursor; ACVA; V-501; 2,2'-Azobis(2-methylbutyronitrile) derivative; Azo-bis-isobutylonitrile carboxylic acid; Azobisisobutyronitrile carboxylic acid analog; ABCVA
EINECS	220-154-9

Quality Control

Our 4,4'-Azobis(4-Cyanovaleric Acid) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance as a polymerization initiator. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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). This material is light-sensitive and easily oxidized; prolonged exposure to light, air, or elevated temperatures should be avoided to maintain stability and efficacy. Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0 %
Melting Point	120 - 125 °C (dec.)
Loss on Drying	≤ 0.5 %
Heavy Metals (as Pb)	≤ 10 ppm

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