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Cosmetic ingredient (INCI)

Solvent Red 1

Used in cosmetic products as hair dyeing. 1-[(2-methoxyphenyl)azo]-2-naphthol (CI 12150)

Prohibited in EU cosmetics

EU Cosmetics Regulation (EC) No 1223/2009, Annex II/1231.

The chemical behind this ingredient

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

Sudan R chemical structure, C17H14N2O2, CAS 1229-55-6
Sudan R
CAS 1229-55-6C17H14N2O2
14 suppliers
Sudan R

IUPAC name: 1-[(2-methoxyphenyl)diazenyl]naphthalen-2-ol

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

Solvent Red 1 suppliers

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Frequently asked questions

What is Solvent Red 1 used for in cosmetics?

Solvent Red 1 is used in cosmetic products as hair dyeing. 1-[(2-methoxyphenyl)azo]-2-naphthol (CI 12150)

Is Solvent Red 1 restricted in cosmetics in the EU?

Solvent Red 1 is listed in the annexes of EU Cosmetics Regulation (EC) No 1223/2009: Annex II/1231 (prohibited in eu cosmetics). Always check the full annex entry for the conditions of use.

What is the CAS number of Solvent Red 1?

Solvent Red 1 is listed with CAS number 1229-55-6 and EC number 214-968-9.

Where can I buy Solvent Red 1?

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