Hydroxyethyl Ethylcellulose

INCI: HYDROXYETHYL ETHYLCELLULOSE

CAS Number
9004-58-4
Function
Film forming, viscosity controlling, binder, stabilizer
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” cellulose derivatives are broadly accepted; CIR has reviewed related cellulose ethers as safe

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Permitted cellulose derivative with negligible absorption; monitor residual ethylene oxide levels if ethoxylation was used in manufacture.

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Concern Level: Moderate

Frequently Asked Questions

Is Hydroxyethyl Ethylcellulose safe in cosmetics?

Permitted cellulose derivative with negligible absorption; monitor residual ethylene oxide levels if ethoxylation was used in manufacture. The EU classifies Hydroxyethyl Ethylcellulose as "permitted". Safety rating: GOOD.

Is Hydroxyethyl Ethylcellulose allowed in the EU?

Hydroxyethyl Ethylcellulose EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Hydroxyethyl Ethylcellulose do in cosmetics?

Hydroxyethyl Ethylcellulose functions as: Film forming, viscosity controlling, binder, stabilizer. It is classified as a cosmetic ingredient in our database. CAS number: 9004-58-4.

What is the Margin of Safety for Hydroxyethyl Ethylcellulose?

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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