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W335808

Sigma-Aldrich

2-Isopropyl-3-methoxypyrazine

99%, FG

Synonym(s):

Bean pyrazine

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About This Item

Empirical Formula (Hill Notation):
C8H12N2O
CAS Number:
25773-40-4
Molecular Weight:
152.19
FEMA Number:
3358
EC Number:
247-256-1
MDL number:
MFCD00006135
UNSPSC Code:
12164502
PubChem Substance ID:
329830603
Flavis number:
14.057
NACRES:
NA.21

biological source

synthetic

Quality Level

300

grade

FG

reg. compliance

EU Regulation 1334/2008 & 178/2002
FDA 21 CFR 110

Assay

99%

refractive index

n20/D 1.494 (lit.)
n20/D 1.495

density

0.996 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

Organoleptic

green; nutty; earthy; pea

SMILES string

COc1nccnc1C(C)C

InChI

1S/C8H12N2O/c1-6(2)7-8(11-3)10-5-4-9-7/h4-6H,1-3H3

InChI key

NTOPKICPEQUPPH-UHFFFAOYSA-N

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Related Categories

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315 - H319 - H335

Precautionary Statements

P261 - P305 + P351 + P338

Hazard Classifications

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

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

152.6 °F - closed cup

Flash Point(C)

67 °C - closed cup

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Eva-Maria Kroener et al.
Frontiers in chemistry, 6, 149-149 (2018-06-06)
Horseradish (Armoracia rusticana) is consumed and valued for the characteristic spicy aroma of its roots in many countries all over the world. In our present study we compare six different horseradish varieties that were grown under comparable conditions, with regard
Navideh Sadoughi et al.
Journal of agricultural and food chemistry, 63(11), 2877-2885 (2015-02-24)
An optimized method for the quantitation of volatile compounds responsible for off-aromas, such as earthy odors, found in wine and grapes was developed. The method involved a fast and simple headspace solid-phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS) for simultaneous determination of

Protocols

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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