Skip to content
  • industrial

Acid Blue 25

CAS 6408-78-2

Also registered as 2 other CAS numbers

37218-11-4 · 1007599-96-3

Acid Blue 25 chemical structure

Concern score

Not assessed — no hazard data yet.

Acid Blue 25 in plain language

What it is

Also known as C.I.Acid Blue 25 · Acid alizarine blue a · Acid anthraquinone blue · C.I. 62055 · C.I. acid blue 25 · C.I. acid blue 25 sodium salt

Show all 16 names

CI 62055 · CI acid blue 25 · CI acid blue 25 sodium salt · sodium 1-amino-4-anilino-9,10-dioxoanthracene-2-sulfonate · 1-AMINO-4-ANILINOANTHRAQUINONE-2-SULFONIC acid sodium salt · Acilan Direct Blue A · Alizarine Blue A · Ec 229-068-1 · UNII-S2E15W6FSN · sodium;1-amino-4-anilino-9,10-dioxoanthracene-2-sulfonate

What it does

Used in consumer products as a colourant.

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

Regulation

No restrictions found. Acid Blue 25 appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Dye.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Dye.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 Acid Blue 25 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 January 7, 2008

    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 Acid Blue 25 in a product composition. These are source records, not Greenveil catalog products.

Named organisations

2

Typical roles

Colourant
See products using Acid Blue 25 →