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InventoryRef 3272813/08/2020

CI 16255

Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate

CI 16255 is linked to 2 EU annex records on this page. Inventory note: IV/35 (CI 16255) III/192 (Acid Red 18; Acid Red 18 Aluminum Lake).

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Inventory details for CI 16255

INCI name

CI 16255

Description

Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate

Annex III Restriction reference
Entry 192

ACID RED 18

CAS: 2611-82-7 - 12227-64-4
EC: 220-036-2 - 235-438-3
Annex IV Restriction reference
Entry 35

CI 16255

CAS: 2611-82-7
EC: 220-036-2

Key data

CAS
2611-82-7
EC
220-036-2
Restriction
IV/35 (CI 16255) III/192 (Acid Red 18; Acid Red 18 Aluminum Lake)
Function
COLORANTHAIR DYEING

How CI 16255 appears in the CosIng inventory

The CosIng inventory lists CI 16255 as a cosmetic ingredient and this page links it to 2 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

CI 16255 is also tagged with 2 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

CI 16255 appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

The restriction field for CI 16255 reads: "IV/35 (CI 16255) III/192 (Acid Red 18; Acid Red 18 Aluminum Lake)". This is the restriction note recorded in the CosIng inventory for this ingredient. For authoritative conditions and limits, always refer to the linked annex entries above.

According to the EU CosIng inventory, CI 16255 carries the following function designation(s):

CAS 2611-82-7 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.
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Source note for CI 16255

This page combines the CosIng inventory entry for CI 16255 with 2 linked Annex II–VI records from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research CI 16255 and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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