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Cosmetic ingredient (INCI)

Acid Red 27

Used in cosmetic products as hair dyeing. Acid Red 27 is classed chemically as a monoazo colour.

Listed in several EU annexes
  • Prohibited in EU cosmetics, Annex II/1350
  • Allowed colorant, Annex IV/33

The chemical behind this ingredient

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

Amaranth chemical structure, C20H11N2Na3O10S3, CAS 915-67-3
Amaranth
CAS 915-67-3C20H11N2Na3O10S3
46 suppliers
Amaranth

IUPAC name: trisodium, 3-hydroxy-4-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2,7-disulfonate

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

Acid Red 27 suppliers

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Frequently asked questions

What is Acid Red 27 used for in cosmetics?

Acid Red 27 is used in cosmetic products as hair dyeing. Acid Red 27 is classed chemically as a monoazo colour.

Is Acid Red 27 restricted in cosmetics in the EU?

Acid Red 27 is listed in the annexes of EU Cosmetics Regulation (EC) No 1223/2009: Annex II/1350 (prohibited in eu cosmetics), Annex IV/33 (allowed colorant). Always check the full annex entry for the conditions of use.

What is the CAS number of Acid Red 27?

Acid Red 27 is listed with CAS number 915-67-3 and EC number 213-022-2.

Where can I buy Acid Red 27?

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