W313203

2-Isobutyl-3-methoxypyrazine

≥99%, FG

• Synonym(s): 2-methoxy-3-(2-methylpropyl)pyrazine, 2-methoxy-3-isobutylpyrazine
• Empirical Formula (Hill Notation): C₉H₁₄N₂O
• CAS Number: 24683-00-9
• Molecular Weight: 166.22
• FEMA Number: 3132
• EC Number: 246-402-1
• Council of Europe no.: 11338
• MDL number: MFCD00006128
• UNSPSC Code: 12164502
• PubChem Substance ID: 24901478
• Flavis number: 14.043
• NACRES: NA.21

Properties

• biological source: synthetic
• Quality Level: 400
• grade: FG; Fragrance grade; Halal; Kosher
• agency: follows IFRA guidelines; meets purity specifications of JECFA
• reg. compliance: EU Regulation 1223/2009; EU Regulation 1334/2008 & 178/2002
• assay: ≥99%
• refractive index: n20/D 1.49 (lit.)
• density: 0.99 g/mL at 25 °C (lit.)
• application(s): flavors and fragrances
• documentation: see Safety & Documentation for available documents
• food allergen: no known allergens
• fragrance allergen: no known allergens
• organoleptic: green; vegetable; pepper
• SMILES string: COc1nccnc1CC(C)C
• InChI: 1S/C9H14N2O/c1-7(2)6-8-9(12-3)11-5-4-10-8/h4-5,7H,6H2,1-3H3
• InChI key: UXFSPRAGHGMRSQ-UHFFFAOYSA-N

Description

General description

2-Isobutyl-3-methoxypyrazine is the main characteristic flavor/aroma constituent of bell peppers. It is also found in fresh jalapeno peppers and baked potato.

Application

• RIFM Fragrance Ingredient Safety Assessment, 2-Isobutyl-3-methoxypyrazine, CAS Registry Number 24683-00-9.: This safety assessment reviews the toxicological data of 2-Isobutyl-3-methoxypyrazine, ensuring its safe use in fragrances (Api et al., 2024).


• Source-Sink Manipulations Have Major Implications for Grapevine Berry and Wine Flavonoids and Aromas That Go Beyond the Changes in Berry Sugar Accumulation.: This article discusses the impact of 2-Isobutyl-3-methoxypyrazine on wine aroma, focusing on agricultural practices and their influence on grape quality (Martínez-Lüscher and Kurtural, 2023).

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 3
• flash_point_f: 176.0 °F - closed cup
• flash_point_c: 80 °C - closed cup
• ppe: Eyeshields, Gloves, type ABEK (EN14387) respirator filter