Solvent Black 5

INCI: SOLVENT BLACK 5 (CI 50415) โ€” NIGROSINE SPIRIT SOLUBLE

CAS Number
11099-03-9
Function
Hair Dyeing (colorant)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not FDA-approved as a cosmetic color additive; coal-tar exemption may apply

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Nigrosine class; restricted to non-mucous-membrane contact; verify synthesis impurities; insoluble in water but soluble in alcohol/benzene

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Concern Level: Moderate

Regulatory Flags

colorant eu_banned_cosmetics eu_cosing_listed

Frequently Asked Questions

Is Solvent Black 5 safe in cosmetics?

Nigrosine class; restricted to non-mucous-membrane contact; verify synthesis impurities; insoluble in water but soluble in alcohol/benzene The EU classifies Solvent Black 5 as "restricted". Safety rating: MODERATE.

Is Solvent Black 5 allowed in the EU?

Solvent Black 5 EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Solvent Black 5 do in cosmetics?

Solvent Black 5 functions as: Hair Dyeing (colorant). It is classified as a cosmetic ingredient in our database. CAS number: 11099-03-9.

What is the Margin of Safety for Solvent Black 5?

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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