Good Fragrance NOAEL Data Sensitization Data

Methyl 2-Octynoate

INCI: METHYL 2-OCTYNOATE

CAS Number
111-12-6
Function
Fragrance
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted

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

Safety Data

Margin of Safety (MoS)
not established

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

6 study endpoints found for Methyl 2-Octynoate. 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 3.2 mg/kg bw/day oral rat Subchronic COSMOS_DB
NOAEL 250 mg/kg bw/day oral rat Chronic COSMOS_DB
NOAEL 250 mg/kg bw/day oral rat Carcinogenicity COSMOS_DB
dose_tested 3.2 mg/kg bw/day oral rat Subchronic COSMOS_DB
dose_tested 250 mg/kg bw/day oral rat Chronic COSMOS_DB
dose_tested 250 mg/kg bw/day oral rat Carcinogenicity COSMOS_DB

Sensitization Profile

Contact sensitization data for Methyl 2-Octynoate based on clinical patch test studies and IFRA standards.

Sensitization Rate
low
Allergen Class
fragrance
EU Allergen Listed
yes
Patch Test Positive Rate
0.2%
Cross-reactivity Group
none
Reaction Type
contact-dermatitis
IFRA Restricted โ€” max 0.2% in finished products

Source: ESSCA/IVDK

Expert Verdict

Good safety profile within approved limits; restricted in EU with concentration limits per Annex III.

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Concern Level: Moderate

Regulatory Flags

EU Restricted ifra_fragrance fda_food_additive eu_cosing_listed jecfa_safe

Frequently Asked Questions

Is Methyl 2-Octynoate safe in cosmetics?

Good safety profile within approved limits; restricted in EU with concentration limits per Annex III. The EU classifies Methyl 2-Octynoate as "restricted". Safety rating: GOOD. 6 toxicological study endpoint(s) are available in our database.

Is Methyl 2-Octynoate allowed in the EU?

Methyl 2-Octynoate EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Methyl 2-Octynoate do in cosmetics?

Methyl 2-Octynoate functions as: Fragrance. It is classified as a Fragrance in our database. CAS number: 111-12-6.

What is the Margin of Safety for Methyl 2-Octynoate?

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 Methyl 2-Octynoate?

The NOAEL (No Observed Adverse Effect Level) for Methyl 2-Octynoate is 3.2 mg/kg bw/day based on a Subchronic study via oral route in rat. A total of 6 study endpoints are available. Source: COSMOS_DB.

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