Is Solvent Orange 1 safe in cosmetics?
Solvent Orange 1 has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Solvent Orange 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: SOLVENT ORANGE 1 (CI 11920)
Solvent Orange 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
Cross-Vertical Regulatory Divergence
Solvent Orange 1 is classified GHS Danger (H350) in the chemicals database but is allowed in EU cosmetics.
Source: Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
Function
Cosmetic colorant
Safety Rating
MODERATE
Chemistry & Identifiers
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 Orange 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 Orange 1.
Regulatory Flags
colorant
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
Frequently Asked Questions
Is Solvent Orange 1 allowed in the EU?
Solvent Orange 1 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Solvent Orange 1 do in cosmetics?
Solvent Orange 1 functions as: Cosmetic colorant. It is classified as a cosmetic ingredient in our database. CAS number: 1229-55-6.
Is Solvent Orange 1 used outside cosmetics?
Solvent Orange 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 Orange 1 have different safety status in cosmetics vs industrial chemicals?
Solvent Orange 1 is classified GHS Danger (H350) in the chemicals database but is allowed in EU cosmetics.
Compliance Tools
Check Solvent Orange 1 compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
Related Ingredients
Acid Blue 9
Excellent
Same category
Colorant, Hair Dyeing
Acid Blue 9 Aluminum Lake
Excellent
Same category
Colorant
Anthocyanins
Excellent
Same category
Colorant
Beta Vulgaris Extract
Excellent
Same category
Skin Conditioning, Colorant (betalain...
Beta Vulgaris Root Extract
Excellent
Same category
Skin Conditioning, Colorant (betanin/...
Beta Vulgaris Root Powder
Excellent
Same category
Skin conditioning, natural colorant, ...
(20S)-Protopanaxadiol
Moderate
Similar safety
(Cnidium Officinale/Coptis Chinensis/Glycyrrhiza Uralensis) Root Extract
Moderate
Similar safety
Skin conditioning
(Cryptomeria Japonica/Chamaecyparis Obtusa) Stem Ferment Extract
Moderate
Similar safety
Antimicrobial, antioxidant, humectant
(Eclipta Prostrata/Houttuynia Cordata) Leaf Extract
Moderate
Similar safety
Skin conditioning
(Lepidium Meyenii/Sarcodon Aspratus) Root Water
Moderate
Similar safety
Skin conditioning
(Licorice/Reynoutria Japonica) Root/Stem Extract
Moderate
Similar safety
Skin conditioning, antioxidant
CI 12150 (Pigment Red 53:1 / Sudan Red G / Solvent Red 1)
Poor
Chemical family
Colorant
Solvent Red 1
Moderate
Chemical family
Cosmetic colorant
SOLANUM LYCOPERSICUM FLOWER EXTRACT
Good
Browse nearby
Skin Conditioning
Is Solvent Orange 1 in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Solvent Orange 1 in your formulation.