Solvent Red 1

Also known as: 1-(o-Anisylazo)-2-naphthol, EINECS 214-968-9, 2-Naphthalenol, 1-[2-(2-methoxyphenyl)diazenyl]-, 2-Naphthalenol, 1-((2-methoxyphenyl)azo)-, Sudan Red G (+14 more)

INCI: SOLVENT RED 1 (CI 12150)

Solvent Red 1 (CAS 1229-55-6) is a cosmetic cosmetic ingredient functioning as Cosmetic colorant. EU Regulation 1223/2009 status: permitted. 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
Cosmetic colorant
Safety Rating
MODERATE

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 permitted
US US Status permitted
US Notes Not FDA-approved as a cosmetic color additive

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for 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 Solvent Red 1.

Regulatory Flags

colorant eu_banned_cosmetics eu_cosing_listed

Known Synonyms

1-(o-Anisylazo)-2-naphthol EINECS 214-968-9 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 Solvent Red 1 safe in cosmetics?

Solvent Red 1 has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.

Is Solvent Red 1 allowed in the EU?

Solvent Red 1 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Solvent Red 1 do in cosmetics?

Solvent Red 1 functions as: Cosmetic colorant. It is classified as a cosmetic ingredient in our database. CAS number: 1229-55-6.

Is Solvent Red 1 used outside cosmetics?

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 Solvent Red 1 have different safety status in cosmetics vs industrial chemicals?

Solvent Red 1 is classified GHS Danger (H350) in the chemicals database but is allowed in EU cosmetics.

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