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InventoryRef 3277814/08/2020

CI 50420

Sulfonated nigrosine color; CI acid black 2

CI 50420 is linked to 2 EU annex records on this page. Inventory note: IV/84 (CI 50420) II/1359 (CI 50420: when used as a substance in hair dye products).

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Inventory details for CI 50420

INCI name

CI 50420

Description

Sulfonated nigrosine color; CI acid black 2

Annex IV Restriction reference
Entry 84

CI 50420

CAS: 8005-03-6

Key data

CAS
8005-03-6
EC
—
Restriction
IV/84 (CI 50420) II/1359 (CI 50420: when used as a substance in hair dye products)
Function
COLORANT

How CI 50420 appears in the CosIng inventory

The CosIng inventory lists CI 50420 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 50420 is also tagged with 1 cosmetic function 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 50420 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 50420 reads: "IV/84 (CI 50420) II/1359 (CI 50420: when used as a substance in hair dye products)". 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 50420 carries the following function designation(s):

CAS 8005-03-6 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 50420

This page combines the CosIng inventory entry for CI 50420 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 50420 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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Tools & next steps

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