Propylene Glycol Ceteth-3 Propionate

INCI: PROPYLENE GLYCOL CETETH-3 PROPIONATE

CAS Number
Not publicly listed in major registries (structurally analogous to CAS 93385-03-6 with propionic vs. acetic acid ester)
Function
Emollient; skin-conditioning agent (expected, by structural analogy to the acetate variant)
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Not CIR-reviewed; no FDA prohibition; essentially no published safety data specific to this INCI

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

⚠ Major data gap — no CIR review, no published tox data, no CAS readily available. ⚠ Ethoxylated compound — 1,4-dioxane/EO residual testing required. ⚠ Not recommended for use without supplemental safety testing or a qualified toxicologist's read-across assessment

⚠️
Concern Level: High

Frequently Asked Questions

Is Propylene Glycol Ceteth-3 Propionate safe in cosmetics?

⚠ Major data gap — no CIR review, no published tox data, no CAS readily available. ⚠ Ethoxylated compound — 1,4-dioxane/EO residual testing required. ⚠ Not recommended for use without supplemental safety testing or a qualified toxicologist's read-across assessment The EU classifies Propylene Glycol Ceteth-3 Propionate as "permitted". Safety rating: MODERATE.

Is Propylene Glycol Ceteth-3 Propionate allowed in the EU?

Propylene Glycol Ceteth-3 Propionate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Propylene Glycol Ceteth-3 Propionate do in cosmetics?

Propylene Glycol Ceteth-3 Propionate functions as: Emollient; skin-conditioning agent (expected, by structural analogy to the acetate variant). It is classified as a cosmetic ingredient in our database. CAS number: Not publicly listed in major registries (structurally analogous to CAS 93385-03-6 with propionic vs. acetic acid ester).

What is the Margin of Safety for Propylene Glycol Ceteth-3 Propionate?

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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