SD Alcohol 1

INCI: ALCOHOL DENAT. (SD ALCOHOL 1)

CAS Number
Base ethanol: 64-17-5 (denatured formulation per 27 CFR 21) [^1_9]
Function
Solvent, cosmetic astringent, viscosity decreasing agent, antifoaming agent [^1_9]
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted; SD Alcohol 1 is NOT among the CIR-reviewed SD alcohols (3-A, 30, 39, 39-B, 39-C, 40, 40-B, 40-C); denaturants must comply with 27 CFR 21 [^1_9]

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

SD Alcohol 1 not specifically included in the CIR final safety report โ€” verify denaturant identity; alcohol denat. can be drying/irritating at high concentrations; enhances percutaneous absorption of other ingredients [^1_11]

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Concern Level: Moderate

Frequently Asked Questions

Is SD Alcohol 1 safe in cosmetics?

SD Alcohol 1 not specifically included in the CIR final safety report โ€” verify denaturant identity; alcohol denat. can be drying/irritating at high concentrations; enhances percutaneous absorption of other ingredients [^1_11] The EU classifies SD Alcohol 1 as "permitted". Safety rating: GOOD.

Is SD Alcohol 1 allowed in the EU?

SD Alcohol 1 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does SD Alcohol 1 do in cosmetics?

SD Alcohol 1 functions as: Solvent, cosmetic astringent, viscosity decreasing agent, antifoaming agent [^1_9]. It is classified as a cosmetic ingredient in our database. CAS number: Base ethanol: 64-17-5 (denatured formulation per 27 CFR 21) [^1_9].

What is the Margin of Safety for SD Alcohol 1?

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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