Moderate Cosmetic Ingredient NOAEL Data

Dioxolane (1,3-Dioxolane)

CAS Number
646-06-0
Function
Solvent
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” no specific CFR cosmetic restriction

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

2 study endpoints found for Dioxolane (1,3-Dioxolane). NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL 75 mg/kg bw/day oral rat oral REACH
NOAEL 75 mg/kg bw/day oral rat oral REACH

Expert Verdict

Flammable liquid and eye irritant with limited cosmetic-specific toxicological data; residual solvent limits must be ensured in finished product and classified as hazardous substance under GHS.

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Concern Level: Moderate

Frequently Asked Questions

Is Dioxolane (1,3-Dioxolane) safe in cosmetics?

Flammable liquid and eye irritant with limited cosmetic-specific toxicological data; residual solvent limits must be ensured in finished product and classified as hazardous substance under GHS. The EU classifies Dioxolane (1,3-Dioxolane) as "permitted". Safety rating: MODERATE. 2 toxicological study endpoint(s) are available in our database.

Is Dioxolane (1,3-Dioxolane) allowed in the EU?

Dioxolane (1,3-Dioxolane) EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Dioxolane (1,3-Dioxolane) do in cosmetics?

Dioxolane (1,3-Dioxolane) functions as: Solvent. It is classified as a cosmetic ingredient in our database. CAS number: 646-06-0.

What is the Margin of Safety for Dioxolane (1,3-Dioxolane)?

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.

What is the NOAEL for Dioxolane (1,3-Dioxolane)?

The NOAEL (No Observed Adverse Effect Level) for Dioxolane (1,3-Dioxolane) is 75 mg/kg bw/day based on a oral study via oral route in rat. A total of 2 study endpoints are available. Source: REACH.

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