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Azobisisobutyronitrile

CAS 78-67-1

Also registered as 7 other CAS numbers

39322-24-2 · 58449-80-2 · 67035-64-7 · 76012-28-7 · 80748-81-8 · 95210-41-6 · 161755-85-7

Concern score

Not assessed — no hazard data yet.

Azobisisobutyronitrile in plain language

What it is

Also known as 2,2'-Diazenediylbis(2-methylpropanenitrile) · 2,2'-Azobis · 2,2'-Azobis (isobutyronitrile) · 2,2'-Azobisisobutyronitrile · 2,2'-Azodi(isobutyronitrile) · 2,2'-Dimethyl-2,2'- azodipropiononitrile

Show all 12 names

2,2'-azobis(2-methylpropanenitrile) · ChKhE 57 · ChKhZ 57 · Peroxan AZDN · vazo 64 · α-azoisobutyronitrile

What it does

We don't have a plain-language description for Azobisisobutyronitrile yet.

Recorded functional uses: Catalyst · Chemical reaction regulator · Intermediate

Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Azobisisobutyronitrile appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 9 composition records across product categories including Laboratory supplies, Construction and building materials. EPA CPDat classifies this chemical for functional uses including Intermediate, Chemical reaction regulator, Use as precursor of a blowing agent.
    • EPA CPDat observed this chemical in 9 composition records across product categories including Laboratory supplies, Construction and building materials. EPA CPDat classifies this chemical for functional uses including Intermediate, Chemical reaction regulator, Use as precursor of a blowing agent.Source →

Evidence & sources

No graded research studies for Azobisisobutyronitrile yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

2 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated may 15, 2017

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed Azobisisobutyronitrile in a product composition. These are source records, not Greenveil catalog products.

Source records

9

Named organisations

6

Laboratory suppliesConstruction and building materials

Typical roles

CatalystChemical reaction regulatorIntermediateStructureUse as precursor of a blowing agent
See products using Azobisisobutyronitrile →