Acid Yellow 73
Used in cosmetic products as colorant and hair dyeing. Acid Yellow 73 is classed chemically as a fluoran colour.
- Prohibited in EU cosmetics, Annex II/1332
- Allowed colorant, Annex IV/74
The chemical behind this ingredient
Structure, properties, safety data and price information live on the chemical page.
IUPAC name: 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
- 2D structure and identifiers
- Measured and computed properties
- GHS safety summary
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Acid Yellow 73 suppliers
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Frequently asked questions
What is Acid Yellow 73 used for in cosmetics?
Acid Yellow 73 is used in cosmetic products as colorant and hair dyeing. Acid Yellow 73 is classed chemically as a fluoran colour.
Is Acid Yellow 73 restricted in cosmetics in the EU?
Acid Yellow 73 is listed in the annexes of EU Cosmetics Regulation (EC) No 1223/2009: Annex II/1332 (prohibited in eu cosmetics), Annex IV/74 (allowed colorant). Always check the full annex entry for the conditions of use.
What is the CAS number of Acid Yellow 73?
Acid Yellow 73 is listed with CAS number 2321-07-5 and EC number 219-031-8.
Where can I buy Acid Yellow 73?
8 suppliers list Fluorescein on CompoundList. Compare them below or post a buy request with your grade and quantity.