Is HC YELLOW NO. 16 safe to use in EU cosmetics?

HC YELLOW NO. 16 is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Always verify against the current official CosIng database before formulating.

InventoryRef 9142910/09/2018

HC YELLOW NO. 16

Q: How do I check if my formula contains HC YELLOW NO. 16?

Use the INCI Checker tool on CosIng Checker to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

Phenol, 2-chloro-4-[(1E)-2-(1-methyl-1H-pyrazol-5-yl)diazenyl]-

HC YELLOW NO. 16 is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Inventory details for HC YELLOW NO. 16

INCI name

HC YELLOW NO. 16

Description

Phenol, 2-chloro-4-[(1E)-2-(1-methyl-1H-pyrazol-5-yl)diazenyl]-

Annex records for HC YELLOW NO. 16

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Key data

CAS

1184721-10-5

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Restriction

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Function

HAIR DYEING

How HC YELLOW NO. 16 appears in the CosIng inventory

The CosIng inventory lists HC YELLOW NO. 16 as a cosmetic ingredient and this page links it to 0 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.

HC YELLOW NO. 16 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

HC YELLOW NO. 16 is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, HC YELLOW NO. 16 carries the following function designation(s):

HAIR DYEING

CAS 1184721-10-5 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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Use the INCI Checker tool to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

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Source note for HC YELLOW NO. 16

This page reproduces the CosIng inventory entry for HC YELLOW NO. 16 from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research HC YELLOW NO. 16 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

Check your formula

Scan a full INCI list to detect HC YELLOW NO. 16 and any linked EU annex restrictions or allergen flags.

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Search similar ingredients

Find other inventory ingredients and annex entries related to HC YELLOW NO. 16, its identifiers or nearby name variants.