C30-45 Alkyl Dimethicone

INCI: C30-45 ALKYL DIMETHICONE

CAS Number
246538-78-3 (commonly referenced)
Function
Skin Conditioning, Emollient
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR: Safe โ€” Assessed as part of the Dimethicone, Methicone, and Alkyl Dimethicone group (Int. J. Toxicol., 2003; amended 2022)

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Silicone emollient with negligible absorption and good safety profile, approved for cosmetic use in both EU and US.

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Concern Level: Low

Frequently Asked Questions

Is C30-45 Alkyl Dimethicone safe in cosmetics?

Silicone emollient with negligible absorption and good safety profile, approved for cosmetic use in both EU and US. The EU classifies C30-45 Alkyl Dimethicone as "permitted". Safety rating: GOOD.

Is C30-45 Alkyl Dimethicone allowed in the EU?

C30-45 Alkyl Dimethicone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does C30-45 Alkyl Dimethicone do in cosmetics?

C30-45 Alkyl Dimethicone functions as: Skin Conditioning, Emollient. It is classified as a cosmetic ingredient in our database. CAS number: 246538-78-3 (commonly referenced).

What is the Margin of Safety for C30-45 Alkyl Dimethicone?

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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