Is SUNSET YELLOW safe to use in EU cosmetics?

SUNSET YELLOW is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Always verify against the current official CosIng database before formulating.

What does the restriction note for SUNSET YELLOW mean?

The restriction field for SUNSET YELLOW reads: IV/31. 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 2783-94-0?

CAS 2783-94-0 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.

How do I check if my formula contains SUNSET YELLOW?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef cosing-live-1052852024-08-26

SUNSET YELLOW

Sunset Yellow is classed chemically as a monoazo color. It conforms to the formula. (To identify the colorant allowed for use in the European Union (EU), the INCI Name CI 15985 must be used, except for hair dye products…

SUNSET YELLOW is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet. Inventory note: IV/31.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

Markets and their official sources Search every market for this name

Chemical identity and properties

PubChem 2D chemical structure for CAS 2783-94-0

CAS 2783-94-0PubChem CID 17730

FD&C yellow 6

Sunset Yellow FCF is an organic molecular entity. — ChEBI

IUPAC name: disodium;6-hydroxy-5-[(4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate

Molecular formula: C16H10N2Na2O7S2
Molecular weight: 452.4 g/mol
Exact mass: 451.97248157 Da
Topological polar surface area: 176.0 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 9
Covalent units: 3
Defined stereocentres: 0

Also known as

RefChem:1085314Sunset Yellow FCFFood yellow 3Sunset yellowC.I. Food Yellow 3Orange Yellow SFD&C Yellow No. 6Gelborange-S

16 more reported names

FD&C yellow no.6C.I. Direct Yellow 11FD & C Yellow No. 6Food Yellow No.5E110Dye FDC Yellow No. 6Food Yellow No. 5C.I. 15985Sunset Yellow LakeCI 15985Sodium 6-hydroxy-5-((4-sulfonatophenyl)diazenyl)naphthalene-2-sulfonateFD and C Yellow No. 6Sunset Yellow (E110)H77VEI93A8Sunset red pigment2-Naphthalenesulfonic acid, 6-hydroxy-5-((p-sulfophenyl)azo)-, disodium salt

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:82538
ChEMBL:CHEMBL1371409
EPA DTXSID:DTXSID6021456
PubMed:10117

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Official European Commission record

CosIng substance ID: 105285
Entry status: Active
Published in the Official Journal: Yes
Recorded by the Commission: 2024-08-26

Open this entry in the official CosIng database

Fields as published by the European Commission. The link opens the entry itself, not a search for it.

Inventory details for SUNSET YELLOW

INCI name

SUNSET YELLOW

Description

Sunset Yellow is classed chemically as a monoazo color. It conforms to the formula.
(To identify the colorant allowed for use in the European Union (EU), the INCI Name CI 15985 must be used, except for hair dye products).

Record provenance

Inventory reference: cosing-live-105285
Imported identity: SUNSET YELLOW
Source update: 2024-08-26

European Commission CosIng source notes

Annex records for SUNSET YELLOW

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Key data

CAS

2783-94-0

220-491-7

Restriction

IV/31

Function

COLORANT: Exclusively or mainly intended to colour the cosmetic product, the body as a whole or certain parts thereof, by absorption or reflection of visible light. All authorised colorants are substances in the positive list of Annex IV to the Cosmetics Regulation 1223/2009.

Official EU ingredient-name evidence

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

#28115 · SUNSET YELLOW

Records sharing a CAS or EC identity

CI 15985

Ingredients with overlapping formulation functions

SOLVENT RED 72COLORANT, HAIR DYEING

SPHINGOMONAS OLEI EXTRACT FILTRATECOLORANT

SR-(SILKWORM POLYPEPTIDE-1 SERINYL LITHOPHYLLON CONCINNA POLYPEPTIDE-1 DIPEPTID…COLORANT; SLIP MODIFIER

STREPTOMYCES RUBROVINUS FERMENT EXTRACTBLEACHING; COLORANT

SUNSET YELLOW ALUMINUM LAKECOLORANT

TERBIUM NITRATECOLORANT

TISOCHRYSIS LUTEA OILANTIOXIDANT; COLORANT; SKIN PROTECTING

TITANIUM DIOXIDECOLORANT, OPACIFYING, UV ABSORBER, UV FILTER

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 chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How SUNSET YELLOW appears in the CosIng inventory

The CosIng inventory lists SUNSET YELLOW as a cosmetic ingredient and this page links it to 0 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.

SUNSET YELLOW 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

SUNSET YELLOW is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

The restriction field for SUNSET YELLOW reads: "IV/31". 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, SUNSET YELLOW carries the following function designation(s):

COLORANT

CAS 2783-94-0 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 to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

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Source note for SUNSET YELLOW

This page reproduces the CosIng inventory entry for SUNSET YELLOW from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research SUNSET YELLOW 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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