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Azobisisobutyronitrile

IUPAC: 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile

C8H12N4 Laboratory Reagents CAS 78-67-1
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Quick Reference
Formula / NotationC8H12N4
CAS Number78-67-1
Molecular Weight164.21
Melting Point221 °F (105 °C)
Density1.1 g/cm³
SolubilitySOL IN METHANOL @ 0, 20, 40 °C: 1.8, 4.96, 16.06 G/100 ML; SOL IN ETHANOL @ 0, 20, 40 °C: 0.58, 2.04, 7.15 G/100 ML
AppearanceInsoluble in water and denser than water. Moderately toxic by ingestion. Readily ignited by sparks or flames. Burns intensely and persistently. Toxic oxides of nitrogen produced during combustion. ...
Also Known As2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile; 78-67-1; 2,2'-Azobis(2-methylpropionitrile); Azdh; Porofor N; Aceto AZIB; Pianofor an; Porofor 57; Azobis(isobutyronitrile); Chkhz 57
CategoryLaboratory Reagents

What is Azobisisobutyronitrile?

Azobisisobutyronitrile (C8H12N4) is a laboratory reagent that appears as Insoluble in water and denser than water. Moderately toxic by ingestion. Readily ignited by sparks or flames. Burns intensely and persistently. Toxic oxides of nitrogen produced during combustion. .... It has a molecular weight of 164.21 g/mol. Its IUPAC name is 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile. Melting point: 221 °F (105 °C).

Formula & Notation

C8H12N4

IUPAC Name: 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile

Other Names / Synonyms: 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile; 78-67-1; 2,2'-Azobis(2-methylpropionitrile); Azdh; Porofor N; Aceto AZIB; Pianofor an; Porofor 57; Azobis(isobutyronitrile); Chkhz 57

Properties & Characteristics

Appearance: Insoluble in water and denser than water. Moderately toxic by ingestion. Readily ignited by sparks or flames. Burns intensely and persistently. Toxic oxides of nitrogen produced during combustion. .... Molecular formula: C8H12N4. Molecular weight: 164.21 g/mol. Melting point: 221 °F (105 °C). Density: 1.1 g/cm³. Solubility: SOL IN METHANOL @ 0, 20, 40 °C: 1.8, 4.96, 16.06 G/100 ML; SOL IN ETHANOL @ 0, 20, 40 °C: 0.58, 2.04, 7.15 G/100 ML. Vapor pressure: 0.0067 [mmHg]. LogP: 1.3.

Physical Data

PropertyValue
Melting Point221 °F (105 °C)
Density1.1 g/cm³
Molecular Weight164.21
SolubilitySOL IN METHANOL @ 0, 20, 40 °C: 1.8, 4.96, 16.06 G/100 ML; SOL IN ETHANOL @ 0, 20, 40 °C: 0.58, 2.04, 7.15 G/100 ML
AppearanceInsoluble in water and denser than water. Moderately toxic by ingestion. Readily ignited by sparks or flames. Burns intensely and persistently. Toxic oxides of nitrogen produced during combustion. ...

Uses & Applications

Used as a synthetic reagent for transformations including oxidation, reduction, coupling, or functional group manipulation.

Safety Information

Hazardous reagent. May be toxic, corrosive, flammable, or reactive. Use in fume hood with full PPE. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Azobisisobutyronitrile
Formula C8H12N4
CAS Number 78-67-1
Molecular Weight 164.21
Synonyms 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile; 78-67-1; 2,2'-Azobis(2-methylpropionitrile); Azdh; Porofor N; Aceto AZIB; Pianofor an; Porofor 57; Azobis(isobutyronitrile); Chkhz 57

Frequently Asked Questions

Azobisisobutyronitrile (C8H12N4) is a laboratory reagent that appears as Insoluble in water and denser than water. Moderately toxic by ingestion. Readily ignited by sparks or flames. Burns intensely and persistently. Toxic oxides of nitrogen produced during combustion. .... It has a molecular weight of 164.21 g/mol. Its IUPAC name is 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile. Melting point: 221 °F (105 °C).

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.