Disperse Brown 1

INCI: DISPERSE BROWN 1

CAS Number
23355-64-8
Function
Hair dyeing (historically)
Safety Rating
POOR

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status prohibited
US Notes Not approved as a color additive under 21 CFR Parts 73/74

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Halogenated azo dye with potential for carcinogenic amine release; known contact allergen; Oeko-Tex Standard 100 listed; prohibited in EU and not approved as color additive in US.

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Concern Level: High

Regulatory Flags

potential-allergen eu_banned_cosmetics eu_cosing_listed

Frequently Asked Questions

Is Disperse Brown 1 safe in cosmetics?

Halogenated azo dye with potential for carcinogenic amine release; known contact allergen; Oeko-Tex Standard 100 listed; prohibited in EU and not approved as color additive in US. The EU classifies Disperse Brown 1 as "prohibited". Safety rating: POOR.

Is Disperse Brown 1 allowed in the EU?

Disperse Brown 1 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Disperse Brown 1 do in cosmetics?

Disperse Brown 1 functions as: Hair dyeing (historically). It is classified as a cosmetic ingredient in our database. CAS number: 23355-64-8.

What is the Margin of Safety for Disperse Brown 1?

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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