Solvent Red 3
Used in cosmetic products as hair dyeing. Solvent Red 3 is classed chemically as a monoazo colour.
- Prohibited in EU cosmetics, Annex II/1344
- Allowed colorant, Annex IV/8
Annex IV/8: Not to be used in products applied on mucous membranes
The chemical behind this ingredient
Structure, properties, safety data and price information live on the chemical page.
![1-Naphthalenol, 4-[(4-ethoxyphenyl)azo]- chemical structure, C18H16N2O2, CAS 6535-42-8](/s/JSEYDVLGSMLKDL-UHFFFAOYSA-N.svg)
IUPAC name: 4-[(4-ethoxyphenyl)diazenyl]naphthalen-1-ol
- 2D structure and identifiers
- Measured and computed properties
- GHS safety summary
- Suppliers, prices and trade data
Solvent Red 3 suppliers
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Frequently asked questions
What is Solvent Red 3 used for in cosmetics?
Solvent Red 3 is used in cosmetic products as hair dyeing. Solvent Red 3 is classed chemically as a monoazo colour.
Is Solvent Red 3 restricted in cosmetics in the EU?
Solvent Red 3 is listed in the annexes of EU Cosmetics Regulation (EC) No 1223/2009: Annex II/1344 (prohibited in eu cosmetics), Annex IV/8 (allowed colorant). Annex IV/8: Not to be used in products applied on mucous membranes Always check the full annex entry for the conditions of use.
What is the CAS number of Solvent Red 3?
Solvent Red 3 is listed with CAS number 6535-42-8 and EC number 229-439-8.
Where can I buy Solvent Red 3?
One supplier lists 1-Naphthalenol, 4-[(4-ethoxyphenyl)azo]- on CompoundList. Compare them below or post a buy request with your grade and quantity.