Is ACID RED 51 safe in cosmetics?
ACID RED 51 has a safety rating of "MODERATE" in our database. EU status: restricted.
Moderate
Cosmetic Ingredient
ACID RED 51
ACID RED 51 (CAS 16423-68-0; 1342-25-2) is a cosmetic cosmetic ingredient functioning as Colorant, Hair Dyeing. EU Regulation 1223/2009 status: restricted, max II/1337 (when used as a substance in hair dye products). Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 16423-68-0; 1342-25-2 →
Auto-generated CPSR Part A draft with source citations
Function
Colorant, Hair Dyeing
Safety Rating
MODERATE
Regulatory Status
EU EU Status
restricted
EU Max Conc.
II/1337 (when used as a substance in hair dye products)
US US Status
Not specifically regulated
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Expert Verdict
Expert safety assessment and concern-level summary for ACID RED 51.
Regulatory Flags
cosing-sourced
eu-restricted
needs-enrichment
Frequently Asked Questions
Is ACID RED 51 allowed in the EU?
ACID RED 51 EU regulatory status: restricted. Maximum allowed concentration: II/1337 (when used as a substance in hair dye products). This is based on EU Regulation 1223/2009 and its amendments.
What does ACID RED 51 do in cosmetics?
ACID RED 51 functions as: Colorant, Hair Dyeing. It is classified as a cosmetic ingredient in our database. CAS number: 16423-68-0; 1342-25-2.
Compliance Tools
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Substance Compliance
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MoS Calculator
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Chemical family
Cosmetic colorant
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