CompoundList
Cosmetic ingredient (INCI)

CI 42051

Used in cosmetic products as colorant. CI 42051 is classed chemically as a triphenylmethane colour.

Allowed colorant

EU Cosmetics Regulation (EC) No 1223/2009, Annex IV/60.

The chemical behind this ingredient

Structure, properties, safety data and price information live on the chemical page.

Acid Blue 3 chemical structure, C54H62CaN4O14S4, CAS 3536-49-0
Acid Blue 3
CAS 3536-49-0C54H62CaN4O14S4
16 suppliers
Acid Blue 3

IUPAC name: calcium bis(4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]-6-hydroxybenzene-1,3-disulfonate)

  • 2D structure and identifiers
  • Measured and computed properties
  • GHS safety summary
  • Suppliers, prices and trade data

CI 42051 suppliers

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Frequently asked questions

What is CI 42051 used for in cosmetics?

CI 42051 is used in cosmetic products as colorant. CI 42051 is classed chemically as a triphenylmethane colour.

Is CI 42051 restricted in cosmetics in the EU?

CI 42051 is listed in the annexes of EU Cosmetics Regulation (EC) No 1223/2009: Annex IV/60 (allowed colorant). Always check the full annex entry for the conditions of use.

What is the CAS number of CI 42051?

CI 42051 is listed with CAS number 3536-49-0 and EC number 222-573-8.

Where can I buy CI 42051?

8 suppliers list Acid Blue 3 on CompoundList. Compare them below or post a buy request with your grade and quantity.