CI 42090
Used in cosmetic products as colorant and hair dyeing. CI 42090 is classed chemically as a triphenylmethane colour.
- Allowed with restrictions, Annex III/190
- Allowed colorant, Annex IV/63
Annex III/190: 0.5%
The chemical behind this ingredient
Structure, properties, safety data and price information live on the chemical page.
IUPAC name: diazanium, 2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate
- 2D structure and identifiers
- Measured and computed properties
- GHS safety summary
- Suppliers, prices and trade data
CI 42090 suppliers
Companies with live listings for the linked chemical. Paid members appear first.
KemColour International is the sister concern of Kohinoor Group of Industries.
Frequently asked questions
What is CI 42090 used for in cosmetics?
CI 42090 is used in cosmetic products as colorant and hair dyeing. CI 42090 is classed chemically as a triphenylmethane colour.
Is CI 42090 restricted in cosmetics in the EU?
CI 42090 is listed in the annexes of EU Cosmetics Regulation (EC) No 1223/2009: Annex III/190 (allowed with restrictions), Annex IV/63 (allowed colorant). Annex III/190: 0.5% Always check the full annex entry for the conditions of use.
What is the CAS number of CI 42090?
CI 42090 is listed with CAS numbers 2650-18-2, 37307-56-5 and 3844-45-9 and EC number 223-339-8.
Where can I buy CI 42090?
8 suppliers list C.I. Acid Blue 9 on CompoundList. Compare them below or post a buy request with your grade and quantity.