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Cosmetic ingredient (INCI)

Acid Red 73

Used in cosmetic products as hair dyeing. 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[[4-(phenylazo)phenyl]azo]-,disodium salt (CI 27290)

Prohibited in EU cosmetics

EU Cosmetics Regulation (EC) No 1223/2009, Annex II/1233.

ban substances that deplete the ozone layer

The chemical behind this ingredient

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

1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-((4-(phenylazo)phenyl)azo)-, disodium salt chemical structure, C22H14N4Na2O7S2, CAS 5413-75-2
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-((4-(phenylazo)phenyl)azo)-, disodium salt
CAS 5413-75-2C22H14N4Na2O7S2
45 suppliers
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-((4-(phenylazo)phenyl)azo)-, disodium salt

IUPAC name: disodium, 7-hydroxy-8-[(4-phenyldiazenylphenyl)diazenyl]naphthalene-1,3-disulfonate

  • 2D structure and identifiers
  • Measured and computed properties
  • GHS safety summary
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Acid Red 73 suppliers

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Frequently asked questions

What is Acid Red 73 used for in cosmetics?

Acid Red 73 is used in cosmetic products as hair dyeing. 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[[4-(phenylazo)phenyl]azo]-,disodium salt (CI 27290)

Is Acid Red 73 restricted in cosmetics in the EU?

Acid Red 73 is listed in the annexes of EU Cosmetics Regulation (EC) No 1223/2009: Annex II/1233 (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 Red 73?

Acid Red 73 is listed with CAS number 5413-75-2.

Where can I buy Acid Red 73?

8 suppliers list 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-((4-(phenylazo)phenyl)azo)-, disodium salt on CompoundList. Compare them below or post a buy request with your grade and quantity.