CompoundList
Cosmetic ingredient (INCI)

Acid Orange 24

Used in cosmetic products as hair dyeing. Sodium 4-[[3-[(dimethylphenyl)azo]-2,4-dihydroxyphenyl]azo]benzenesulphonate (CI 20170)

Prohibited in EU cosmetics

EU Cosmetics Regulation (EC) No 1223/2009, Annex II/1232.

ban substances that deplete the ozone layer

The chemical behind this ingredient

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

D&C Brown No. 1 chemical structure, C20H17N4NaO5S, CAS 1320-07-6
D&C Brown No. 1
CAS 1320-07-6C20H17N4NaO5S
8 suppliers
D&C Brown No. 1

IUPAC name: sodium 4-[(2Z)-2-[(5E)-5-[(2,4-dimethylphenyl)hydrazinylidene]-4,6-dioxocyclohex-2-en-1-ylidene]hydrazinyl]benzenesulfonate

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

Acid Orange 24 suppliers

Companies with live listings for the linked chemical. Paid members appear first.

Frequently asked questions

What is Acid Orange 24 used for in cosmetics?

Acid Orange 24 is used in cosmetic products as hair dyeing. Sodium 4-[[3-[(dimethylphenyl)azo]-2,4-dihydroxyphenyl]azo]benzenesulphonate (CI 20170)

Is Acid Orange 24 restricted in cosmetics in the EU?

Acid Orange 24 is listed in the annexes of EU Cosmetics Regulation (EC) No 1223/2009: Annex II/1232 (prohibited in eu cosmetics). ban substances that deplete the ozone layer Always check the full annex entry for the conditions of use.

What is the CAS number of Acid Orange 24?

Acid Orange 24 is listed with CAS numbers 1320-07-6 and 6371-84-2 and EC number 215-296-9.

Where can I buy Acid Orange 24?

8 suppliers list D&C Brown No. 1 on CompoundList. Compare them below or post a buy request with your grade and quantity.