CosIng Checker
CosIng Checker
EU cosmetic ingredients, restrictions and safety
Login
InventoryRef 4152711/12/2020

BASIC ORANGE 31

2-((4-Aminophenyl)azo)-1,3-dimethyl-1H-imidazolium chloride

BASIC ORANGE 31 is linked to 1 EU annex record on this page. Inventory note: III/276.

INCI Checker Search similar

Inventory details for BASIC ORANGE 31

INCI name

BASIC ORANGE 31

Description

2-((4-Aminophenyl)azo)-1,3-dimethyl-1H-imidazolium chloride

Annex III Restriction reference
Entry 276

BASIC ORANGE 31

CAS: 97404-02-9
EC: 306-764-4

Key data

CAS
97404-02-9
EC
306-764-4
Restriction
III/276
Function
HAIR DYEING

How BASIC ORANGE 31 appears in the CosIng inventory

The CosIng inventory lists BASIC ORANGE 31 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 ORANGE 31 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 ORANGE 31 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 ORANGE 31 reads: "III/276". 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 ORANGE 31 carries the following function designation(s):

CAS 97404-02-9 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.
Open INCI Checker

Source note for BASIC ORANGE 31

This page combines the CosIng inventory entry for BASIC ORANGE 31 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 ORANGE 31 and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

View sourcesView updates

Tools & next steps

Check your formula

Scan a full INCI list to detect BASIC ORANGE 31 and any linked EU annex restrictions or allergen flags.

INCI Checker

Search similar ingredients

Find other inventory ingredients and annex entries related to BASIC ORANGE 31, its identifiers or nearby name variants.

Search