Disoyoylethyl Hydroxyethylmonium Methosulfate

INCI: DISOYOYLETHYL HYDROXYETHYLMONIUM METHOSULFATE

CAS Number
91995-81-2 (verify — esterquat derived from soy fatty acids)
Function
Antistatic, hair conditioning (esterquat)
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — no CFR restriction

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Esterquat class — considered mild and biodegradable; soy-derived with potential allergen traceability; CAS number should be confirmed against supplier certificate of analysis.

⚠️
Concern Level: Low

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Disoyoylethyl Hydroxyethylmonium Methosulfate safe in cosmetics?

Esterquat class — considered mild and biodegradable; soy-derived with potential allergen traceability; CAS number should be confirmed against supplier certificate of analysis. The EU classifies Disoyoylethyl Hydroxyethylmonium Methosulfate as "permitted". Safety rating: GOOD.

Is Disoyoylethyl Hydroxyethylmonium Methosulfate allowed in the EU?

Disoyoylethyl Hydroxyethylmonium Methosulfate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Disoyoylethyl Hydroxyethylmonium Methosulfate do in cosmetics?

Disoyoylethyl Hydroxyethylmonium Methosulfate functions as: Antistatic, hair conditioning (esterquat). It is classified as a cosmetic ingredient in our database. CAS number: 91995-81-2 (verify — esterquat derived from soy fatty acids).

What is the Margin of Safety for Disoyoylethyl Hydroxyethylmonium Methosulfate?

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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