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  • cleaning
  • industrial

Peracetic acid

CAS 79-21-0

Also registered as 2 other CAS numbers

89370-71-8 · 232259-02-8

Peracetic acid chemical structure

Concern score

Not assessed — no hazard data yet.

Peracetic acid in plain language

What it is

Also known as Ethaneperoxoic acid · Proxitane · Acecide · Acetic peroxide · Acetyl hydroperoxide · Acide peracetique

Show all 25 names

Acide peroxyacetique · Acido peroxiacetico · Caswell No. 644 · Dahlgren Decon · Desoxon 1 · Estosteril · Ethaneperoxic acid · Kyselina peroxyoctova · Monoperacetic acid · Osbon AC · Paa · Peroxy-acetic acid · Peroxoacetic acid · Proxitane 4002 · acido peracetico · peracetic acid (sara iii) · peracetic acid (sara 302/313) · peroxyacetic acid · peroxyacetic acid (sara 302/313)

What it does

Used in consumer products as a pH adjuster and an antimicrobial.

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

Regulation

No restrictions found. Peracetic acid appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 32 composition records across product categories including Laboratory supplies, Cleaning and safety. EPA CPDat classifies this chemical for functional uses including Biocide, pH regulating agent.
    • EPA CPDat observed this chemical in 32 composition records across product categories including Laboratory supplies, Cleaning and safety. EPA CPDat classifies this chemical for functional uses including Biocide, pH regulating agent.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Evidence & sources

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

5 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated September 2021

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    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 Peracetic acid in a product composition. These are source records, not Greenveil catalog products.

Source records

32

Named organisations

6

Laboratory suppliesCleaning and safety

Typical roles

pH adjusterAntimicrobial
See products using Peracetic acid →