CI 12150 (Pigment Red 53:1 / Sudan Red G / Solvent Red 1)

Also known as: 1-(o-Anisylazo)-2-naphthol, EINECS 214-968-9, Solvent Red 1, 2-Naphthalenol, 1-[2-(2-methoxyphenyl)diazenyl]-, 2-Naphthalenol, 1-((2-methoxyphenyl)azo)- (+15 more)

INCI: CI 12150

CI 12150 (Pigment Red 53:1 / Sudan Red G / Solvent Red 1) (CAS 1229-55-6) is a cosmetic cosmetic ingredient functioning as Colorant. EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.

View industrial chemical safety profile for CAS 1229-55-6 →

Auto-generated CPSR Part A draft with source citations
Function
Colorant
Safety Rating
POOR

Chemistry & Identifiers

Formula
C17H14N2O2
MW
278.3 g/mol
EC Number
214-968-9
PubChem CID
14678
IUPAC Name
1-[(2-methoxyphenyl)diazenyl]naphthalen-2-ol
InChIKey
ALLOLPOYFRLCCX-UHFFFAOYSA-N

Regulatory Status

EU EU Status prohibited
US US Status prohibited
US Notes Not listed on FDA-approved color additives list (21 CFR Parts 73/74). Not permitted for use in US cosmetics or food. Former D&C Red No. 9 listing (barium lake form, CI 15585:1 / CAS 5160-02-1) was revoked by FDA in 1988 due to carcinogenicity (spleen sarcoma in male rats). Note: Pigment Red 53:1 strictly refers to CI 15585:1 (the barium lake); CI 12150 is the related free-acid Sudan Red G form.

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for CI 12150 (Pigment Red 53:1 / Sudan Red G / Solvent Red 1).

Calculate MoS for your specific formulation with the MoS Calculator.

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
Ceased manufacture
Substance Type
SUBSTANCE
SVHC Candidate
No

EU CosIng Annex Listing

European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.

Annex II — Prohibited
Ref: 1231
(EC) 2009/1223

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

SA Saudi SFDA (II - Prohibited)
BRIN Brazil/India Cosmetics
Brazil: Prohibited
India: Prohibited (GNRAS)
Additional Jurisdictional Restrictions (1)
Jurisdiction Status Max % Product Type
KR prohibited - -

PubChem Annotations

Safety and regulatory annotations from PubChem (NCBI) aggregated sources.

Safety (1)
Endocrine Disruptors
Potential endocrine disrupting compound
Source: NORMAN Suspect List Exchange
Regulatory (1)
JECFA Evaluation
CI FOOD RED 16 | 1964 | NMRS 38/TRS 309-JECFA 8/24
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Dye
Regulatory List Membership (2)
EU Banned in Cosmetics EU CosIng Cosmetics Ingredient Database

Expert Verdict

Expert safety assessment and concern-level summary for CI 12150 (Pigment Red 53:1 / Sudan Red G / Solvent Red 1).

Regulatory Flags

eu-annex-ii-prohibited not-fda-approved ghs-carc-1b carcinogenic-in-animals aromatic-amine-precursor azo-dye adulterant-detected-in-cosmetics d-and-c-red-9-revoked-1988 eu_banned_cosmetics eu_cosing_listed

Known Synonyms

1-(o-Anisylazo)-2-naphthol EINECS 214-968-9 Solvent Red 1 2-Naphthalenol, 1-[2-(2-methoxyphenyl)diazenyl]- 2-Naphthalenol, 1-((2-methoxyphenyl)azo)- Sudan Red G 2-Naphthalenol, 1-[(2-methoxyphenyl)azo]- 1-[2-(2-Methoxyphenyl)diazenyl]-2-naphthalenol 2-Naphthol, 1-(o-methoxyphenylazo)- 1-((2-Methoxyphenyl)diazenyl)naphthalen-2-ol 2-​Naphthalenol, 1-​[2-​(2-​methoxyphenyl)​diazenyl]​- 1-[(2-Methoxyphenyl)azo]-2-naphthol Anisole-2-azo-β-naphthol EC No.: 214-968-9 C.I. Food Red 16 Anisole-2-azo-beta-naphthol Brilliant Fast Scarlet R Brilliant Fat Scarlet R Ceres Red G Ceres Red G 102

Chemical Function

Dye

Regulatory Lists

Arts and crafts/Office supplies - body paint - tattoo ink; Europe banned; Europe; Personal care Arts and crafts/Office supplies - body paint - tattoo ink; Europe

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

ChEMBL ID
CHEMBL1986529
View full pharmaceutical profile →

Frequently Asked Questions

Is CI 12150 (Pigment Red 53:1 / Sudan Red G / Solvent Red 1) safe in cosmetics?

CI 12150 (Pigment Red 53:1 / Sudan Red G / Solvent Red 1) has a safety rating of "POOR" in our database. EU status: prohibited. US status: prohibited.

Is CI 12150 (Pigment Red 53:1 / Sudan Red G / Solvent Red 1) allowed in the EU?

CI 12150 (Pigment Red 53:1 / Sudan Red G / Solvent Red 1) EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does CI 12150 (Pigment Red 53:1 / Sudan Red G / Solvent Red 1) do in cosmetics?

CI 12150 (Pigment Red 53:1 / Sudan Red G / Solvent Red 1) functions as: Colorant. It is classified as a cosmetic ingredient in our database. CAS number: 1229-55-6.

Is CI 12150 (Pigment Red 53:1 / Sudan Red G / Solvent Red 1) used outside cosmetics?

CI 12150 (Pigment Red 53:1 / Sudan Red G / Solvent Red 1) also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does CI 12150 (Pigment Red 53:1 / Sudan Red G / Solvent Red 1) have different safety status in cosmetics vs industrial chemicals?

CI 12150 (Pigment Red 53:1 / Sudan Red G / Solvent Red 1) is prohibited in EU cosmetics but has active industrial GHS classifications (H350).

Is CI 12150 (Pigment Red 53:1 / Sudan Red G / Solvent Red 1) in Your Products?

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