Basic Blue 47

INCI: BASIC BLUE 47

CAS Number
2437-71-4
Function
Hair colorant (anthraquinone dye)
Safety Rating
POOR

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ 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 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

No CIR or SCCS safety assessment exists. Anthraquinone structural class carries mutagenicity and genotoxicity concerns. Avoid use without a complete safety dossier.

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Concern Level: High

Regulatory Flags

colorant

Frequently Asked Questions

Is Basic Blue 47 safe in cosmetics?

No CIR or SCCS safety assessment exists. Anthraquinone structural class carries mutagenicity and genotoxicity concerns. Avoid use without a complete safety dossier. The EU classifies Basic Blue 47 as "prohibited". Safety rating: POOR.

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.

What is the Margin of Safety for Basic Blue 47?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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