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CAS 2226-96-2 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

InventoryRef 9674615/04/2019

HYDROXY TETRAMETHYLPIPERIDINE OXIDE

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HYDROXY TETRAMETHYLPIPERIDINE OXIDE 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 HYDROXY TETRAMETHYLPIPERIDINE OXIDE

INCI name

HYDROXY TETRAMETHYLPIPERIDINE OXIDE

Description

1-Oxyl-2,2,6,6-tetramethyl-4-hydroxypiperidine; 1-Piperidinyloxy, 4-hydroxy-2,2,6,6-tetramethyl-; 1-λ1-Oxidanyl-2,2,6,6-tetramethylpiperidin-4-ol
2,2,6,6-tetramethylpiperidine-1,4-diol; 4-Hydroxy-2,2,6,6-tetramethyl-piperidinooxy; 4-Hydroxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical; 4-Hydroxy-2,2,6,6-tetramethylpiperidinoxy; 4-Hydroxy-2,2,6,6-tetramethylpiperidinoxyl; 4-HYDROXY-2,2,6,6-TETRAMETHYLPIPERIDINOXYL-; 4-Hydroxy-TEMPO; HTMPO; Hydroxy Tempo

Annex records for HYDROXY TETRAMETHYLPIPERIDINE OXIDE

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Key data

CAS

2226-96-2

218-760-9

Restriction

—

Function

ANTIOXIDANT

How HYDROXY TETRAMETHYLPIPERIDINE OXIDE appears in the CosIng inventory

The CosIng inventory lists HYDROXY TETRAMETHYLPIPERIDINE OXIDE 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.

HYDROXY TETRAMETHYLPIPERIDINE OXIDE 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

HYDROXY TETRAMETHYLPIPERIDINE OXIDE 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, HYDROXY TETRAMETHYLPIPERIDINE OXIDE carries the following function designation(s):

ANTIOXIDANT

CAS 2226-96-2 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 HYDROXY TETRAMETHYLPIPERIDINE OXIDE

This page reproduces the CosIng inventory entry for HYDROXY TETRAMETHYLPIPERIDINE OXIDE 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 HYDROXY TETRAMETHYLPIPERIDINE OXIDE 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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