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InventoryRef 9857413/08/2020

PIGMENT RED 4

Pigment Red 4 is classed chemically as a monoazo colour. It conforms to the formula:

PIGMENT RED 4 is linked to 2 EU annex records on this page. Inventory note: II/1345 Pigment Red 4; CI 12085: and its salts when used as a substance in hair dye products).

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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.

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MarketEvidence statusRecordsSource language
European UnionEvidence linked
Prohibited entry found
Open this evidence		2English and EU languages
Great BritainSource mapped
Official source mapped; ingredient rule not imported
0English
CanadaEvidence linked
Restricted
Open this evidence		1English 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 2814-77-9
CAS 2814-77-9PubChem CID 17778

1-((2-Chloro-4-nitrophenyl)azo)-2-naphthol

IUPAC name
1-[(2-chloro-4-nitrophenyl)diazenyl]naphthalen-2-ol
Molecular formula
C16H10ClN3O3
Molecular weight
327.72 g/mol
Exact mass
327.0410689 Da
XLogP3
5.0
Topological polar surface area
90.8 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
5
Covalent units
1
Defined stereocentres
0

Also known as

1-[(2-Chloro-4-nitrophenyl)azo]-2-naphthol220-562-2RefChem:572551D and C Red No. 36D&C Red No. 36CI 12085OE8ZA0KN9ZFlaming Red
16 more reported names
Permanent Red R2-Naphthalenol, 1-((2-chloro-4-nitrophenyl)azo)-Carnelio Red RFlame tones1-(2-Chloro-4-nitrophenyl)azo-2-naphtholPermansa RedTiger OrangeBlazing RedOralith RedPermanent Red FVulcafix Red JAmerican vermilionFastona Red RGraphtal Red RLGraphtol Red RLLatexol Red J
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 PIGMENT RED 4

INCI name

PIGMENT RED 4

Description

Pigment Red 4 is classed chemically as a monoazo colour. It conforms to the formula:

Record provenance

Inventory reference
98574
Imported identity
PIGMENT RED 4
Source update
13/08/2020
European Commission CosIng source notes
Annex IV Identified ingredient
Entry 9

CI 12085

CAS: 2814-77-9
EC: 220-562-2

Key data

CAS
2814-77-9
EC
220-562-2
Restriction
II/1345 Pigment Red 4; CI 12085: and its salts when used as a substance in hair dye products)
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.

#21026 · PIGMENT RED 4

The markets do not agree about this substance: it is prohibited in some and permitted under conditions in others, across the 2 markets that hold a rule for it.

prohibited
European Union
restricted
Canada

See every substance the markets disagree about

Records sharing a CAS or EC identity

CI 12085

Ingredients with overlapping formulation functions

PIGMENT GREEN 7HAIR DYEING
PIGMENT RED 112HAIR DYEING
PIGMENT RED 172 ALUMINUM LAKECOLORANT, HAIR DYEING
PIGMENT RED 190HAIR DYEING
PIGMENT RED 48HAIR DYEING
PIGMENT RED 5HAIR DYEING
PIGMENT RED 57:1COLORANT, HAIR DYEING
PIGMENT RED 63:1HAIR 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 PIGMENT RED 4 appears in the CosIng inventory

The CosIng inventory lists PIGMENT RED 4 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.

PIGMENT RED 4 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

PIGMENT RED 4 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 PIGMENT RED 4 reads: "II/1345 Pigment Red 4; CI 12085: and its salts when used as a substance in hair dye products)". 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, PIGMENT RED 4 carries the following function designation(s):

CAS 2814-77-9 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.
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Source note for PIGMENT RED 4

This page combines the CosIng inventory entry for PIGMENT RED 4 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 PIGMENT RED 4 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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