Good Cosmetic Ingredient

Alcohol Denat. SD Alcohol 3-A

INCI: ALCOHOL DENAT. SD ALCOHOL 3-A

CAS Number
64-17-5 (ethanol base)
Function
Solvent, cosmetic astringent, viscosity-decreasing agent
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes CIR: Safe as used (2008); authorized for shampoos, soap and bath preparations per 27 CFR §21

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

⚠ Methanol denaturant is toxic if ingested; not authorized for leave-on facial products per 27 CFR §20 (limited to shampoos, soap/bath preparations); ethanol is a penetration enhancer - consider effects on co-formulated actives

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is Alcohol Denat. SD Alcohol 3-A safe in cosmetics?

⚠ Methanol denaturant is toxic if ingested; not authorized for leave-on facial products per 27 CFR §20 (limited to shampoos, soap/bath preparations); ethanol is a penetration enhancer - consider effects on co-formulated actives The EU classifies Alcohol Denat. SD Alcohol 3-A as "permitted". Safety rating: GOOD.

Is Alcohol Denat. SD Alcohol 3-A allowed in the EU?

Alcohol Denat. SD Alcohol 3-A EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Alcohol Denat. SD Alcohol 3-A do in cosmetics?

Alcohol Denat. SD Alcohol 3-A functions as: Solvent, cosmetic astringent, viscosity-decreasing agent. It is classified as a cosmetic ingredient in our database. CAS number: 64-17-5 (ethanol base).

What is the Margin of Safety for Alcohol Denat. SD Alcohol 3-A?

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.

Compliance Tools

Check Alcohol Denat. SD Alcohol 3-A compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
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Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions

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