Skip to main content
CosIng Checker
CosIng Checker
EU cosmetic ingredients, restrictions and safety
Login
InventoryRef 3308813/08/2020

CURRY RED

Disodium 6-hydroxy-5-[(2-methoxy-4-sulphonato-m-tolyl)azo]naphthalene-2-sulphonate (CI 16035)

CURRY RED is linked to 2 EU annex records on this page. Inventory note: III/191 (Curry Red) IV/32 (CI 16035).

INCI CheckerCompare all markets Search similar

Regulatory evidence by market

This matrix separates verified ingredient rules from sources that are mapped but not yet imported. No imported rule does not mean the ingredient is permitted.

Compare markets

Swipe or scroll horizontally to see every column.

MarketEvidence statusRecordsSource language
European UnionEvidence linked
Restricted entry found
Open this evidence		2English and EU languages
Great BritainEvidence linked
Restricted
Open this evidence		1English
CanadaSource mapped
Official source mapped; ingredient rule not imported
0English and French
New ZealandSource mapped
Official source mapped; ingredient rule not imported
0English
ASEANSource mapped
Official source mapped; ingredient rule not imported
0English and national languages
ChinaSource mapped
Official source mapped; ingredient rule not imported
0Chinese with selected English material
JapanSource mapped
Official source mapped; ingredient rule not imported
0Japanese; official English translation available
South KoreaSource mapped
Official source mapped; ingredient rule not imported
0Korean with some English names
United StatesSource mapped
Official source mapped; ingredient rule not imported
0English
AustraliaSource mapped
Official source mapped; ingredient rule not imported
0English
BrazilSource mapped
Official source mapped; ingredient rule not imported
0Portuguese with INCI crosswalks
IndiaSource mapped
Official source mapped; ingredient rule not imported
0English and Hindi
Saudi ArabiaSource mapped
Official source mapped; ingredient rule not imported
0Arabic and English

Chemical identity and properties

PubChem 2D chemical structure for CAS 25956-17-6
CAS 25956-17-6PubChem CID 33258

E129

Allura red AC is a naphthalenesulfonic acid. — ChEBI

IUPAC name
disodium;6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate
Molecular formula
C18H14N2Na2O8S2
Molecular weight
496.4 g/mol
Exact mass
495.99869632 Da
Topological polar surface area
185.0 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
10
Covalent units
3
Defined stereocentres
0

Also known as

RefChem:1084024Allura Red ACAllura RedAllura red AC dyeFood red 17Fancy RedFood Red No. 40C.I. Food Red 17
16 more reported names
FD&C Red No. 40Allura Red 40Japan Red 40Curry redALLURA RED C.I.16035Japan Food Red No. 40CI 16035FDC Red 40 dyeHSDB 7260Red 40WZB9127XOARed No. 40FD and C Red No. 40Allura Red AC (E 129)Disodium 6-hydroxy-5-((6-methoxy-4-sulfo-m-tolyl)azo)-2-naphthalenesulfonateFD & C Red no. 40
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for CURRY RED

INCI name

CURRY RED

Description

Disodium 6-hydroxy-5-[(2-methoxy-4-sulphonato-m-tolyl)azo]naphthalene-2-sulphonate (CI 16035)

Record provenance

Inventory reference
33088
Imported identity
CURRY RED
Source update
13/08/2020
European Commission CosIng source notes
Annex III Restriction reference
Entry 191

CURRY RED

CAS: 25956-17-6
EC: 247-368-0
Annex IV Restriction reference
Entry 32

CI 16035

CAS: 25956-17-6
EC: 247-368-0

Key data

CAS
25956-17-6
EC
247-368-0
Restriction
III/191 (Curry Red) IV/32 (CI 16035)
Function
HAIR DYEING
Imparting color to hair. Hair dyeing preparations may be temporary, semi-permanent, or permanent, depending on the length of time the colorant remains on the hair.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#7787 · CURRY RED

Records sharing a CAS or EC identity

CI 16035

Ingredients with overlapping formulation functions

CI 45100COLORANT, HAIR DYEING
CI 45410COLORANT, HAIR DYEING
COCHINEALCOLORANT, HAIR DYEING
COPPER TETRAPEPTIDE-52 DIMERHAIR CONDITIONING, HAIR DYEING
DIHYDROXYACETONEHAIR DYEING, SKIN CONDITIONING - MISCELLANEOUS, TANNING
DIHYDROXYINDOLEHAIR DYEING
DIHYDROXYINDOLINEHAIR DYEING
DIHYDROXYINDOLINE HBRHAIR DYEING

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicalsPubChem PUG RESTEU Safety Gate cosmetic product alertsECHA CHEMUS EPA CompToxCosmetic Ingredient Review safety assessmentsFDA Global Substance Registration SystemILO/WHO International Chemical Safety CardsJapan NITE-CHRIPNIOSH Pocket Guide to Chemical HazardsOECD eChemPortal

How CURRY RED appears in the CosIng inventory

The CosIng inventory lists CURRY RED as a cosmetic ingredient and this page links it to 2 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

CURRY RED 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

CURRY RED 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 CURRY RED reads: "III/191 (Curry Red) IV/32 (CI 16035)". 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, CURRY RED carries the following function designation(s):

CAS 25956-17-6 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 to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.
Open INCI Checker

Source note for CURRY RED

This page combines the CosIng inventory entry for CURRY RED with 2 linked Annex II–VI records from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research CURRY RED 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 CURRY RED and any linked EU annex restrictions or allergen flags.

INCI Checker

Search similar ingredients

Find other inventory ingredients and annex entries related to CURRY RED, its identifiers or nearby name variants.

Search