Description

2,2′-Azobis(2-Methylpropionamidine) Dihydrochloride is a water-soluble azo compound widely recognized as a highly efficient free radical initiator. Its primary value lies in its ability to decompose at moderate temperatures to generate nitrogen gas and reactive free radicals, making it indispensable for polymerization and cross-linking reactions. This product is essential for industries requiring precise and controllable initiation, particularly in the synthesis of polymers, latexes, and specialty materials. Its dihydrochloride salt form enhances its stability and solubility in aqueous systems.

Application

• Polymer Synthesis: As a key initiator for the polymerization of acrylamides, acrylates, and vinyl monomers in aqueous solution.
• Latex Production: For the emulsion polymerization process in the manufacture of synthetic rubbers, adhesives, and coatings.
• Gel Electrophoresis: Used in the preparation of polyacrylamide gels for protein and nucleic acid separation in biochemical research.
• Surface Modification: Initiating graft polymerization onto various substrates to alter surface properties for enhanced adhesion or biocompatibility.
• Cross-linking Agent: For creating cross-linked polymer networks in hydrogels, contact lenses, and controlled-release drug delivery systems.
• Textile & Paper Chemicals: In the production of wet-strength resins and other functional polymers for industrial applications.

Basic Information

Product Name	2,2′-Azobis(2-Methylpropionamidine) Dihydrochloride
CAS No.	2997-92-4
Molecular Formula	C8H20N6·2HCl
Molecular Weight	271.19 g/mol (as free base)
Synonyms	V-50; 2,2'-Azobis(2-methylpropionamidine) dihydrochloride; AIBA; 2,2'-Azobis[2-methylpropionamidine] dihydrochloride; Azobisisobutyramidine dihydrochloride; AAPH (common abbreviation); 2,2'-Azobis(2-methylpropionimidamide) dihydrochloride; Wako V-50
EINECS	221-082-3

Quality Control

Our 2,2′-Azobis(2-Methylpropionamidine) Dihydrochloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets high-purity standards suitable for research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at temperatures between 2°C and 8°C (refrigerated) for long-term stability. This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent decomposition. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0 %
Water Content (KF)	≤ 1.0 %
Solubility (in Water)	Clear, colorless solution
Heavy Metals	≤ 10 ppm
Residue on Ignition	≤ 0.1 %

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