What does the restriction note for BASIC BLUE 41 mean?

The restriction field for BASIC BLUE 41 reads: II/1261. 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 12270-13-2?

CAS 12270-13-2 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 3206415/10/2010

BASIC BLUE 41

Q: How do I check if my formula contains BASIC BLUE 41?

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.

2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium methyl sulphate (CI 11154)

BASIC BLUE 41 is linked to 1 EU annex record on this page. Inventory note: II/1261.

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Inventory details for BASIC BLUE 41

INCI name

BASIC BLUE 41

Description

2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium methyl sulphate (CI 11154)

Annex records for BASIC BLUE 41

Annex II Restriction reference

Entry 1261

Benzothiazolium, 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methyl- and its salts, w…

CAS: 12270-13-2

EC: 235-546-0

Key data

CAS

12270-13-2

235-546-0

Restriction

II/1261

Function

HAIR DYEING

How BASIC BLUE 41 appears in the CosIng inventory

The CosIng inventory lists BASIC BLUE 41 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.

BASIC BLUE 41 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

BASIC BLUE 41 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 BASIC BLUE 41 reads: "II/1261". 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, BASIC BLUE 41 carries the following function designation(s):

HAIR DYEING

CAS 12270-13-2 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.

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 BASIC BLUE 41

This page combines the CosIng inventory entry for BASIC BLUE 41 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 BASIC BLUE 41 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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Scan a full INCI list to detect BASIC BLUE 41 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 BASIC BLUE 41, its identifiers or nearby name variants.