Is Basic Blue 47 safe in cosmetics?
Basic Blue 47 has a safety rating of "POOR" in our database. EU status: prohibited. US status: restricted.
Poor
Cosmetic Ingredient
Basic Blue 47
INCI: BASIC BLUE 47
Basic Blue 47 (CAS 2437-71-4) is a cosmetic cosmetic ingredient functioning as Hair colorant (anthraquinone dye). EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 2437-71-4 →
Auto-generated CPSR Part A draft with source citations
Function
Hair colorant (anthraquinone dye)
Safety Rating
POOR
Regulatory Status
EU EU Status
prohibited
US US Status
restricted
US Notes
Not an FDA-approved color additive; coal tar hair dye exemption may apply if sold with required caution labeling
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Basic Blue 47.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Basic Blue 47.
Regulatory Flags
colorant
Frequently Asked Questions
Is Basic Blue 47 allowed in the EU?
Basic Blue 47 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does Basic Blue 47 do in cosmetics?
Basic Blue 47 functions as: Hair colorant (anthraquinone dye). It is classified as a cosmetic ingredient in our database. CAS number: 2437-71-4.
Compliance Tools
Check Basic Blue 47 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, ...
1,3-Bis-(Isocyanatomethyl) Cyclohexane
Poor
Similar safety
Monomer / cross-linking agent used in...
1,4-Butanediol
Poor
Similar safety
Solvent, humectant, viscosity control...
1,6-Hexamethylene Diisocyanate (HDI)
Poor
Similar safety
Monomer and crosslinker in polymer sy...
1,6-Hexanediamine
Poor
Similar safety
Industrial chemical (nylon monomer); ...
1-Nitropropane
Poor
Similar safety
None in cosmetics - industrial solven...
2,2'-Thiobis(4-Chlorophenol)
Poor
Similar safety
Antimicrobial / antifungal agent
Dodecanenitrile
Good
Chemical family
Fragrance ingredient
BASIC BLUE 9
Moderate
Browse nearby
Hair Dyeing
BEHENYL CANNABIS SEEDATE
Good
Browse nearby
Skin Conditioning, Skin Conditioning ...
Is Basic Blue 47 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 Basic Blue 47 in your formulation.