Chemical name: 2,2’-Azobis(2-methylbutyronitrile)
CAS number: 13472-08-7

product sheet

Description and features
Iniper AIVN SG-2000 (Azobis-methylbutyronitrile) is an white solid which has C10H16N4 as chemical formula.It finds its application as polymerzation initiator of amongst others acrylics and styrenes. Further it is also used in the production of foams to create nitrogen bubbles. Iniper 67 is significantly more soluble in organic solvents than Iniper 64 (AIBN) .

Azobis-methylbutyronitrile is also known as 2,2’-Azobis(2-methylbutyronitrile), 2,2′-(Diazene-1,2-diyl)bis(2-methylbutanenitrile) and AMBN.

Product information

CAS number13472-08-7
EC number 236-740-8
HS code2927 00 00

Molecular and structural information

Molecular formulaC10H16N4
Molecular weight192.27 g/mol
Smiles notationCCC(C)(C#N)N=NC(C)(CC)C#N
Structural formula:13472-08-7


AppearanceWhite powder / granules
Assay≥98.00 %
Gas number, cm3/g93 min
Insoluble in isopropanol matter≤0.20 %
Loss on drying≤0.50 %

Physicochemical information

Density1.058 kg/m3 @ 22 °C
Melting point49.40 ± 0.10 °C
Partition coefficient (log Pow)2.07 @ 20 °C (pH ≥ 6.99 - ≤ 7.19)
Solubility in waterModerately soluble (392 ± 5 mg/L @ 20 °C)
Vapour pressure0.006 Torr @ 25 °C / 0.78 Pa

Iniper AIVN SG-2000 (AMBN / azobis-methylbutyronitrile) can be used for polymerization of methyl methacrylate, acrylics (coating), acrylamide, vinyl acetate, styrene and vinyl chloride.

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

Shipment Info
Iniper AIVN SG-2000 (Azobis-methylbutyronitrile / AMBN) is on stock in Europa. Our lead time is about one week if delivered in 20KG carton boxes.

Store azobis-methylbutyronitrile (AIVN) in a cool, dry and well-ventilated area and in line with legal requirements.
Keep away from heat sources, ignition sources.

The REACH registration of this substance (CAS: 13472-08-7)has been completed (FULL substance)

A Material Safety Data Sheets (MSDS) is available for Iniper 67 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.

Azobis-methylbutyronitrile | AIVN (CAS:13472-08-7). 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.