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W313203

Sigma-Aldrich

2-Isobutyl-3-methoxypyrazine

≥99%, FG

Sinonimo/i:

2-methoxy-3-(2-methylpropyl)pyrazine, 2-methoxy-3-isobutylpyrazine

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About This Item

Formula empirica (notazione di Hill):
C9H14N2O
Numero CAS:
24683-00-9
Peso molecolare:
166.22
Numero FEMA:
3132
Numero CE:
246-402-1
N° CoE:
11338
Numero MDL:
MFCD00006128
Codice UNSPSC:
12164502
ID PubChem:
24901478
Numero Flavis:
14.043
NACRES:
NA.21

Origine biologica

synthetic

Livello qualitativo

400

Grado

FG
Fragrance grade
Halal
Kosher

agenzia

follows IFRA guidelines
meets purity specifications of JECFA

Conformità normativa

EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002

Saggio

≥99%

Indice di rifrazione

n20/D 1.49 (lit.)

Densità

0.99 g/mL at 25 °C (lit.)

applicazioni

flavors and fragrances

Documentazione

see Safety & Documentation for available documents

Allergene alimentare

no known allergens

Allergene in fragranze

no known allergens

Organolettico

green; vegetable; pepper

Stringa SMILE

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
UXFSPRAGHGMRSQ-UHFFFAOYSA-N

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Descrizione generale

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.

Applicazioni


  • 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).

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H315,H319,H335

Classi di pericolo

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

176.0 °F - closed cup

Punto d’infiammabilità (°C)

80 °C - closed cup

Dispositivi di protezione individuale

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

Certificati d'analisi (COA)

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Sigma-Aldrich

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Volatile flavour components of baked potato flesh. A comparison of eleven potato cultivars.
Duckham SC, et al.
Molecular Nutrition And Food Research, 45(5), 317-323 (2001)
Volatile components and pungency in fresh and processed Jalapeno peppers.
Huffman VL, et al.
Journal of Food Science, 43(6), 1809-1811 (1978)
Julie Roy et al.
Biophysical journal, 99(1), 218-226 (2010-07-27)
The mouse major urinary protein (MUP) has proved to be an intriguing test bed for detailed studies on protein-ligand recognition. NMR, calorimetric, and modeling investigations have revealed that the thermodynamics of ligand binding involve a complex interplay between competing enthalpic
Maria Staiano et al.
Biopolymers, 89(4), 284-291 (2007-12-22)
The effects of hydrostatic pressure on the structure and stability of porcine odorant-binding protein (pOBP) in the presence and absence of the odorant molecule 2-isobutyl-3-methoxypyrazine (IBMP) were studied by steady-state and time-resolved fluorescence spectroscopy as well as by molecular dynamics
Richard J Bingham et al.
Journal of the American Chemical Society, 126(6), 1675-1681 (2004-02-12)
In the present study we examine the thermodynamics of binding of two related pyrazine-derived ligands to the major urinary protein, MUP-I, using a combination of isothermal titration calorimetry (ITC), X-ray crystallography, and NMR backbone (15)N and methyl side-chain (2)H relaxation
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Protocolli

Standard Methods 6040D: GC Analysis of Geosmin and 2-MIB on SLB®-5ms after SPME using 50/30 µm DVB/Carboxen/PDMS Fiber

Separation of 2-Isopropyl-3-methoxypyrazine 20 ppt; 2-Isobutyl-3-methoxypyrazine; 2-Methylisoborneol; (±)-Geosmin 10 ppt

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