Moderate Cosmetic Ingredient

2,6-Bis(2-Hydroxyethoxy)-3,5-Pyridinediamine HCl

INCI: 2,6-BIS(2-HYDROXYETHOXY)-3,5-PYRIDINEDIAMINE HCL

CAS Number
85679-72-7
Function
Hair dyeing (oxidative hair dye coupler)
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status permitted
US Notes Permitted under coal tar hair dye exemption (FD&C Act §601(a)); requires caution labeling and patch test advisory

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

For professional and consumer oxidative hair dye use only; mixing ratio must appear on label

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Concern Level: Moderate

Frequently Asked Questions

Is 2,6-Bis(2-Hydroxyethoxy)-3,5-Pyridinediamine HCl safe in cosmetics?

For professional and consumer oxidative hair dye use only; mixing ratio must appear on label The EU classifies 2,6-Bis(2-Hydroxyethoxy)-3,5-Pyridinediamine HCl as "prohibited". Safety rating: MODERATE.

Is 2,6-Bis(2-Hydroxyethoxy)-3,5-Pyridinediamine HCl allowed in the EU?

2,6-Bis(2-Hydroxyethoxy)-3,5-Pyridinediamine HCl EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does 2,6-Bis(2-Hydroxyethoxy)-3,5-Pyridinediamine HCl do in cosmetics?

2,6-Bis(2-Hydroxyethoxy)-3,5-Pyridinediamine HCl functions as: Hair dyeing (oxidative hair dye coupler). It is classified as a cosmetic ingredient in our database. CAS number: 85679-72-7.

What is the Margin of Safety for 2,6-Bis(2-Hydroxyethoxy)-3,5-Pyridinediamine HCl?

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.

Compliance Tools

Check 2,6-Bis(2-Hydroxyethoxy)-3,5-Pyridinediamine HCl compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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