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InventoryRef 5677906/06/2019

ISATIN

1H-Indole-2,3-Dione

ISATIN is linked to 1 EU annex record on this page. Inventory note: Annex III/210.

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Inventory details for ISATIN

INCI name

ISATIN

Description

1H-Indole-2,3-Dione

Annex III Restriction reference
Entry 210

ISATIN

CAS: 91-56-5
EC: 202-077-8

Key data

CAS
91-56-5
EC
202-077-8
Restriction
Annex III/210
Function
HAIR DYEING

How ISATIN appears in the CosIng inventory

The CosIng inventory lists ISATIN as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

ISATIN 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

ISATIN 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 ISATIN reads: "Annex III/210". 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, ISATIN carries the following function designation(s):

CAS 91-56-5 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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Source note for ISATIN

This page combines the CosIng inventory entry for ISATIN with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research ISATIN 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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