CompoundList
Cosmetic ingredient (INCI)

Solvent Orange 1

Used in cosmetic products as hair dyeing. Solvent Orange 1 is classed chemically as a monoazo colour.

Listed in several EU annexes
  • Prohibited in EU cosmetics, Annex II/1343
  • Allowed colorant, Annex IV/7

The chemical behind this ingredient

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

4-(Phenylazo)resorcinol chemical structure, C12H10N2O2, CAS 2051-85-6
4-(Phenylazo)resorcinol
CAS 2051-85-6C12H10N2O2
3 suppliers
4-(Phenylazo)resorcinol

IUPAC name: 4-phenyldiazenylbenzene-1,3-diol

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

Solvent Orange 1 suppliers

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Frequently asked questions

What is Solvent Orange 1 used for in cosmetics?

Solvent Orange 1 is used in cosmetic products as hair dyeing. Solvent Orange 1 is classed chemically as a monoazo colour.

Is Solvent Orange 1 restricted in cosmetics in the EU?

Solvent Orange 1 is listed in the annexes of EU Cosmetics Regulation (EC) No 1223/2009: Annex II/1343 (prohibited in eu cosmetics), Annex IV/7 (allowed colorant). Always check the full annex entry for the conditions of use.

What is the CAS number of Solvent Orange 1?

Solvent Orange 1 is listed with CAS number 2051-85-6 and EC number 218-131-9.

Where can I buy Solvent Orange 1?

3 suppliers list 4-(Phenylazo)resorcinol on CompoundList. Compare them below or post a buy request with your grade and quantity.