Acid Blue 1
Used in cosmetic products as hair dyeing. Acid Blue 1 is classed chemically as a triphenylmethane colour.
- Prohibited in EU cosmetics, Annex II/1355
- Allowed colorant, Annex IV/59
Annex IV/59: Not to be used in products applied on mucous membranes ban substances that deplete the ozone layer
The chemical behind this ingredient
Structure, properties, safety data and price information live on the chemical page.
IUPAC name: sodium 4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]benzene-1,3-disulfonate
- 2D structure and identifiers
- Measured and computed properties
- GHS safety summary
- Suppliers, prices and trade data
Acid Blue 1 suppliers
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Frequently asked questions
What is Acid Blue 1 used for in cosmetics?
Acid Blue 1 is used in cosmetic products as hair dyeing. Acid Blue 1 is classed chemically as a triphenylmethane colour.
Is Acid Blue 1 restricted in cosmetics in the EU?
Acid Blue 1 is listed in the annexes of EU Cosmetics Regulation (EC) No 1223/2009: Annex II/1355 (prohibited in eu cosmetics), Annex IV/59 (allowed colorant). Annex IV/59: Not to be used in products applied on mucous membranes 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 Blue 1?
Acid Blue 1 is listed with CAS number 129-17-9 and EC number 204-934-1.
Where can I buy Acid Blue 1?
8 suppliers list Sulfan blue on CompoundList. Compare them below or post a buy request with your grade and quantity.