CI 11920
Used in cosmetic products as colorant. CI 11920 is classed chemically as a monoazo colour.
- Prohibited in EU cosmetics, Annex II/1343
- Allowed colorant, Annex IV/7
The chemical behind this ingredient
Structure, properties, safety data and price information live on the chemical page.
IUPAC name: 4-phenyldiazenylbenzene-1,3-diol
- 2D structure and identifiers
- Measured and computed properties
- GHS safety summary
- Suppliers, prices and trade data
CI 11920 suppliers
Companies with live listings for the linked chemical. Paid members appear first.
Frequently asked questions
What is CI 11920 used for in cosmetics?
CI 11920 is used in cosmetic products as colorant. CI 11920 is classed chemically as a monoazo colour.
Is CI 11920 restricted in cosmetics in the EU?
CI 11920 is listed in the annexes of EU Cosmetics Regulation (EC) No 1223/2009: Annex II/1343 (prohibited in eu cosmetics), Annex IV/7 (allowed colorant). Always check the full annex entry for the conditions of use.
What is the CAS number of CI 11920?
CI 11920 is listed with CAS number 2051-85-6 and EC number 218-131-9.
Where can I buy CI 11920?
3 suppliers list 4-(Phenylazo)resorcinol on CompoundList. Compare them below or post a buy request with your grade and quantity.