CompoundList
Cosmetic ingredient (INCI)

Basic Brown 4

Used in cosmetic products as hair dyeing. 1,3-Benzenediamine, 4,4'-[(4,4-methyl- 1,3-phenylene)bis(azo)]bis[6-methyl- (CI 21010)

Prohibited in EU cosmetics

EU Cosmetics Regulation (EC) No 1223/2009, Annex II/1296.

The chemical behind this ingredient

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

Bismarck Brown R Base chemical structure, C21H24N8, CAS 4482-25-1
Bismarck Brown R Base
CAS 4482-25-1C21H24N8
1 supplier
Bismarck Brown R Base

IUPAC name: 4-[[3-[(2,4-diamino-5-methylphenyl)diazenyl]-4-methylphenyl]diazenyl]-6-methylbenzene-1,3-diamine

  • 2D structure and identifiers
  • Measured and computed properties
  • GHS safety summary
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Basic Brown 4 suppliers

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Frequently asked questions

What is Basic Brown 4 used for in cosmetics?

Basic Brown 4 is used in cosmetic products as hair dyeing. 1,3-Benzenediamine, 4,4'-[(4,4-methyl- 1,3-phenylene)bis(azo)]bis[6-methyl- (CI 21010)

Is Basic Brown 4 restricted in cosmetics in the EU?

Basic Brown 4 is listed in the annexes of EU Cosmetics Regulation (EC) No 1223/2009: Annex II/1296 (prohibited in eu cosmetics). Always check the full annex entry for the conditions of use.

What is the CAS number of Basic Brown 4?

Basic Brown 4 is listed with CAS number 4482-25-1 and EC number 224-764-1.

Where can I buy Basic Brown 4?

One supplier lists Bismarck Brown R Base on CompoundList. Compare them below or post a buy request with your grade and quantity.