CompoundList
Cosmetic ingredient (INCI)

CI 16255

Used in cosmetic products as colorant and hair dyeing. CI 16255 is classed chemically as a monoazo colour.

Listed in several EU annexes
  • Allowed with restrictions, Annex III/192
  • Allowed colorant, Annex IV/35

Annex III/192: 0.5%

The chemical behind this ingredient

Structure, properties, safety data and price information live on the chemical page.

C.I. Acid Red 18, trisodium salt chemical structure, C20H11N2Na3O10S3, CAS 2611-82-7
C.I. Acid Red 18, trisodium salt
CAS 2611-82-7C20H11N2Na3O10S3
61 suppliers
C.I. Acid Red 18, trisodium salt

IUPAC name: trisodium, 7-hydroxy-8-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonate

  • 2D structure and identifiers
  • Measured and computed properties
  • GHS safety summary
  • Suppliers, prices and trade data

CI 16255 suppliers

Companies with live listings for the linked chemical. Paid members appear first.

Frequently asked questions

What is CI 16255 used for in cosmetics?

CI 16255 is used in cosmetic products as colorant and hair dyeing. CI 16255 is classed chemically as a monoazo colour.

Is CI 16255 restricted in cosmetics in the EU?

CI 16255 is listed in the annexes of EU Cosmetics Regulation (EC) No 1223/2009: Annex III/192 (allowed with restrictions), Annex IV/35 (allowed colorant). Annex III/192: 0.5% Always check the full annex entry for the conditions of use.

What is the CAS number of CI 16255?

CI 16255 is listed with CAS number 2611-82-7 and EC number 220-036-2.

Where can I buy CI 16255?

8 suppliers list C.I. Acid Red 18, trisodium salt on CompoundList. Compare them below or post a buy request with your grade and quantity.