Acid Red 33
Used in cosmetic products as hair dyeing. Acid Red 33 is classed chemically as a monoazo colour.
- Allowed with restrictions, Annex III/254
- Allowed colorant, Annex IV/37
Annex III/254: 0.5 %
The chemical behind this ingredient
Structure, properties, safety data and price information live on the chemical page.
IUPAC name: disodium, 5-amino-4-hydroxy-3-phenyldiazenylnaphthalene-2,7-disulfonate
- 2D structure and identifiers
- Measured and computed properties
- GHS safety summary
- Suppliers, prices and trade data
Acid Red 33 suppliers
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Best Dye Manufacturers in USA.
Frequently asked questions
What is Acid Red 33 used for in cosmetics?
Acid Red 33 is used in cosmetic products as hair dyeing. Acid Red 33 is classed chemically as a monoazo colour.
Is Acid Red 33 restricted in cosmetics in the EU?
Acid Red 33 is listed in the annexes of EU Cosmetics Regulation (EC) No 1223/2009: Annex III/254 (allowed with restrictions), Annex IV/37 (allowed colorant). Annex III/254: 0.5 % Always check the full annex entry for the conditions of use.
What is the CAS number of Acid Red 33?
Acid Red 33 is listed with CAS number 3567-66-6 and EC number 222-656-9.
Where can I buy Acid Red 33?
8 suppliers list Azo fuchsine on CompoundList. Compare them below or post a buy request with your grade and quantity.