Good Cosmetic Ingredient NOAEL Data

2,3-Diethylpyrazine

INCI: 2,3-DIETHYLPYRAZINE

CAS Number
15707-24-1
Function
Fragrance ingredient (nutty, roasted, cocoa aroma)
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Not restricted; FEMA GRAS status for food use supports safety profile

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.

Toxicological Studies

2 study endpoints found for 2,3-Diethylpyrazine. 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 1.75 mg/kg bw/day oral rat Subchronic COSMOS_DB
dose_tested 1.75 mg/kg bw/day oral rat Subchronic COSMOS_DB

Expert Verdict

Not PBT per IFRA Environmental Standards; no genotoxicity concern based on read-across from 2,3,5-trimethylpyrazine

⚠️
Concern Level: Moderate

Regulatory Flags

fragrance-component ifra_fragrance fda_food_additive jecfa_safe

Frequently Asked Questions

Is 2,3-Diethylpyrazine safe in cosmetics?

Not PBT per IFRA Environmental Standards; no genotoxicity concern based on read-across from 2,3,5-trimethylpyrazine The EU classifies 2,3-Diethylpyrazine as "permitted". Safety rating: GOOD. 2 toxicological study endpoint(s) are available in our database.

Is 2,3-Diethylpyrazine allowed in the EU?

2,3-Diethylpyrazine EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does 2,3-Diethylpyrazine do in cosmetics?

2,3-Diethylpyrazine functions as: Fragrance ingredient (nutty, roasted, cocoa aroma). It is classified as a cosmetic ingredient in our database. CAS number: 15707-24-1.

What is the Margin of Safety for 2,3-Diethylpyrazine?

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.

What is the NOAEL for 2,3-Diethylpyrazine?

The NOAEL (No Observed Adverse Effect Level) for 2,3-Diethylpyrazine is 1.75 mg/kg bw/day based on a Subchronic study via oral route in rat. A total of 2 study endpoints are available. Source: COSMOS_DB.

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