Good Cosmetic Ingredient NOAEL Data

cis-2-Methyl-4-propyl-1,3-oxathiane

INCI: NOT ASSIGNED

CAS Number
59323-76-1
Function
Fragrance with galbanum, green, and sulfurous notes
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes FEMA GRAS No. 3578; RIFM-assessed; no FDA 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

1 study endpoint found for cis-2-Methyl-4-propyl-1,3-oxathiane. 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 >=600 mg/kg bw/day oral rat oral REACH

Expert Verdict

FEMA GRAS fragrance ingredient with sulfur-containing structure; safety assessment based on RIFM evaluation and read-across data from structural analogs.

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Concern Level: Low

Regulatory Flags

fragrance-component ifra_fragrance

Frequently Asked Questions

Is cis-2-Methyl-4-propyl-1,3-oxathiane safe in cosmetics?

FEMA GRAS fragrance ingredient with sulfur-containing structure; safety assessment based on RIFM evaluation and read-across data from structural analogs. The EU classifies cis-2-Methyl-4-propyl-1,3-oxathiane as "permitted". Safety rating: GOOD. 1 toxicological study endpoint(s) are available in our database.

Is cis-2-Methyl-4-propyl-1,3-oxathiane allowed in the EU?

cis-2-Methyl-4-propyl-1,3-oxathiane EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does cis-2-Methyl-4-propyl-1,3-oxathiane do in cosmetics?

cis-2-Methyl-4-propyl-1,3-oxathiane functions as: Fragrance with galbanum, green, and sulfurous notes. It is classified as a cosmetic ingredient in our database. CAS number: 59323-76-1.

What is the Margin of Safety for cis-2-Methyl-4-propyl-1,3-oxathiane?

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 cis-2-Methyl-4-propyl-1,3-oxathiane?

The NOAEL (No Observed Adverse Effect Level) for cis-2-Methyl-4-propyl-1,3-oxathiane is >=600 mg/kg bw/day based on a oral study via oral route in rat. Source: REACH.

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