What does the restriction note for ACID BROWN 13 mean?

The restriction field for ACID BROWN 13 reads: II/1258. This is the restriction note from the CosIng inventory. For authoritative conditions and limits, always refer to the linked annex entries.

What other records share CAS 6373-79-1?

CAS 6373-79-1 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 3161415/10/2010

ACID BROWN 13

Q: How do I check if my formula contains ACID BROWN 13?

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.

Disodium 3,3'-[sulphonylbis[(2-nitro-p-phenylene)imino]]bis[6-anilinobenzenesulphonate] (CI 10410)

ACID BROWN 13 is linked to 1 EU annex record on this page. Inventory note: II/1258.

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Inventory details for ACID BROWN 13

INCI name

ACID BROWN 13

Description

Disodium 3,3'-[sulphonylbis[(2-nitro-p-phenylene)imino]]bis[6-anilinobenzenesulphonate] (CI 10410)

Annex records for ACID BROWN 13

Annex II Restriction reference

Entry 1258

3,3'-(Sulfonylbis(2-nitro-4,1-phenylene)imino)bis(6-(phenylamino))benzenesulfonic acid and its salt…

CAS: 6373-79-1

EC: 228-922-0

Key data

CAS

6373-79-1

228-922-0

Restriction

II/1258

Function

HAIR DYEING

How ACID BROWN 13 appears in the CosIng inventory

The CosIng inventory lists ACID BROWN 13 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.

ACID BROWN 13 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

ACID BROWN 13 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 ACID BROWN 13 reads: "II/1258". 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, ACID BROWN 13 carries the following function designation(s):

HAIR DYEING

CAS 6373-79-1 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.

View CAS records

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 ACID BROWN 13

This page combines the CosIng inventory entry for ACID BROWN 13 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 ACID BROWN 13 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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