Disperse Blue 377

INCI: DISPERSE BLUE 377

CAS Number
4471-41-4 / 67674-26-4 / 67701-36-4 (three isomers)
Function
Hair dyeing (non-oxidative)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not listed as approved 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)
adequate
Dermal Absorption
moderate
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Contains three CAS isomers requiring batch consistency control; may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335); SCCS evaluated as safe at concentrations not exceeding 2.0%.

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Concern Level: Moderate

Frequently Asked Questions

Is Disperse Blue 377 safe in cosmetics?

Contains three CAS isomers requiring batch consistency control; may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335); SCCS evaluated as safe at concentrations not exceeding 2.0%. The EU classifies Disperse Blue 377 as "prohibited". Safety rating: MODERATE.

Is Disperse Blue 377 allowed in the EU?

Disperse Blue 377 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Disperse Blue 377 do in cosmetics?

Disperse Blue 377 functions as: Hair dyeing (non-oxidative). It is classified as a cosmetic ingredient in our database. CAS number: 4471-41-4 / 67674-26-4 / 67701-36-4 (three isomers).

What is the Margin of Safety for Disperse Blue 377?

adequate 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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