PEG-7 Propylheptyl Ether

INCI: PEG-7 PROPYLHEPTYL ETHER

CAS Number
Not individually assigned; PEG-7/PPG-2 variant CAS 166736-08-9
Function
Surfactant – cleansing; emulsifying agent
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes CIR Alkyl PEG/PPG Ethers report — 131 ethers assessed safe when formulated to be non-irritating

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

1,4-dioxane and EO residues possible; strong degreasing capacity may compromise skin barrier at high concentrations

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Concern Level: Low

Regulatory Flags

peg-ingredient

Frequently Asked Questions

Is PEG-7 Propylheptyl Ether safe in cosmetics?

1,4-dioxane and EO residues possible; strong degreasing capacity may compromise skin barrier at high concentrations The EU classifies PEG-7 Propylheptyl Ether as "permitted". Safety rating: GOOD.

Is PEG-7 Propylheptyl Ether allowed in the EU?

PEG-7 Propylheptyl Ether EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does PEG-7 Propylheptyl Ether do in cosmetics?

PEG-7 Propylheptyl Ether functions as: Surfactant – cleansing; emulsifying agent. It is classified as a cosmetic ingredient in our database. CAS number: Not individually assigned; PEG-7/PPG-2 variant CAS 166736-08-9.

What is the Margin of Safety for PEG-7 Propylheptyl Ether?

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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