4-Amino-2-Hydroxytoluene Sulfate

INCI: 4-AMINO-2-HYDROXYTOLUENE SULFATE

CAS Number
183293-62-1
Function
Hair dyeing; sulfate salt form of 4-Amino-m-Cresol
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted under coal tar hair dye exemption; same CIR safety conclusion as the free base

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

No use with nitrosating agents; mandatory warnings required; not for persons under 16.

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Concern Level: Moderate

Frequently Asked Questions

Is 4-Amino-2-Hydroxytoluene Sulfate safe in cosmetics?

No use with nitrosating agents; mandatory warnings required; not for persons under 16. The EU classifies 4-Amino-2-Hydroxytoluene Sulfate as "prohibited". Safety rating: MODERATE.

Is 4-Amino-2-Hydroxytoluene Sulfate allowed in the EU?

4-Amino-2-Hydroxytoluene Sulfate EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does 4-Amino-2-Hydroxytoluene Sulfate do in cosmetics?

4-Amino-2-Hydroxytoluene Sulfate functions as: Hair dyeing; sulfate salt form of 4-Amino-m-Cresol. It is classified as a cosmetic ingredient in our database. CAS number: 183293-62-1.

What is the Margin of Safety for 4-Amino-2-Hydroxytoluene Sulfate?

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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