What does the restriction note for ACID RED 73 mean?

The restriction field for ACID RED 73 reads: II/1233. 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 5413-75-2?

CAS 5413-75-2 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 4171215/10/2010

ACID RED 73

Q: How do I check if my formula contains ACID RED 73?

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.

1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[[4-(phenylazo)phenyl]azo]-,disodium salt (CI 27290)

ACID RED 73 is linked to 1 EU annex record on this page. Inventory note: II/1233.

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Inventory details for ACID RED 73

INCI name

ACID RED 73

Description

1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[[4-(phenylazo)phenyl]azo]-,disodium salt (CI 27290)

Annex records for ACID RED 73

Annex II Restriction reference

Entry 1233

Acid Red 73 (CI 27290), when used as a substance in hair dye products

CAS: 5413-75-2

EC: 226-502-1

Key data

CAS

5413-75-2

—

Restriction

II/1233

Function

HAIR DYEING

How ACID RED 73 appears in the CosIng inventory

The CosIng inventory lists ACID RED 73 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 RED 73 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 RED 73 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 RED 73 reads: "II/1233". 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 RED 73 carries the following function designation(s):

HAIR DYEING

CAS 5413-75-2 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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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 RED 73

This page combines the CosIng inventory entry for ACID RED 73 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 RED 73 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 ACID RED 73 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 ACID RED 73, its identifiers or nearby name variants.