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Description and features
Iniper 52 (ABVN / 2,2′-Azobis (2,4 dimethylvaleronitryle) is an odorless white solid which has C14H24N4 as chemical formula. This FRS (free radical source) is used as polymerization initiator. Iniper 52 is used for low temperature polymerization and is soluble in a variety of organic solvents.

2,2′-Azobis (2,4 dimethylvaleronitrile is also known as ADVN, 2-(2-Cyano-4-methylpentan-2-yl)diazenyl-2,4-dimethylpentanenitrile, and 2-(2-Cyano-4-methylpentan-2-yl)diazenyl-2,4-dimethylpentanenitrile.

Product information

CAS number4419-11-8
EC number 224-583-8
HS code2927 00 00

Molecular and structural information

Molecular formulaC14H24N4
Molecular weight248.37 g/mol
Smiles notationCC(C)CC(C)(C#N)N=NC(C)(CC(C)C)C#N
Structural formula:4419-11-8


AppearanceWhite crystals
Assay≥98.00 %
Water content≤0.50%
Melting point45 - 70 °C
Acetone insoluble≤0.02 %
CI≤0.02 %
Color APHA≤ 15

Physicochemical information

Density930 kg/m3
Melting point78 °C
Partition coefficient (log Pow)4.86 @ 20 °C
Solubility in waterInsoluble
Vapour pressure 0.000164 mmHg @ 25°C

Iniper 52 (2,2′-Azobis (2,4 dimethylvaleronitryle)) can be used for polymerization of acrylics sheets and acrylic resins.

Available packaging: 20 KG carton boxes.
Special packaging is available on request.

Shipment Info
Iniper 52 (2,2′-Azobis (2,4 dimethylvaleronitrile) / ABVN) is on stock in Europa. Our lead time is about one week if delivered in 20KG carton boxes.

Store 2,2′-Azobis (2,4 dimethylvaleronitryle) (ABVN) in a cool, dry and well-ventilated area and in line with legal requirements.
Keep away from heat sources, ignition sources.

This substance (CAS: 4419-11-8) has been pre-registered under REACH (EC) 1907/2006.

A Material Safety Data Sheets (MSDS) is available for Iniper 52 and all other products supplied by Vesta Intracon BV. An MSDS describes the hazards of a product and explains how a product can be safely handled, used and stored. Besides it provides important regulatory and emergency response information for the purchased product.

2,2′-Azobis (2,4 dimethylvaleronitryle)| ABVN | CAS:4419-11-8. This information is supplied solely for informational purposes and Vesta Intracon bv makes no guarantees or warranties, either expressed or implied, with respect to the accuracy and use of this data. All product warranties and guarantees shall be governed by the Standard Terms of Sale. Nothing in this document is legal advice or is a substitute for competent legal advice.