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W320803

Sigma-Aldrich

(Methylthio)methylpyrazine

mixture of isomers, ≥98%, FG

Synonym(s):
Popcorn thiopyrazine
Empirical Formula (Hill Notation):
C6H8N2S
CAS Number:
Molecular Weight:
140.21
FEMA Number:
3208
EC Number:
Council of Europe no.:
2290
PubChem Substance ID:
Flavis number:
14.035
NACRES:
NA.21

Quality Level

biological source

synthetic

grade

FG
Fragrance grade
Halal
Kosher

Agency

follows IFRA guidelines

reg. compliance

EU Regulation 1223/2009
EU Regulation 1334/2008 & 872/2012

assay

≥98%

refractive index

n20/D 1.583 (lit.)

density

1.145 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

cocoa; coffee; hazelnut; roasted

SMILES string

CSc1cnc(C)cn1.CSc2nccnc2C

InChI

1S/2C6H8N2S/c1-5-3-8-6(9-2)4-7-5;1-5-6(9-2)8-4-3-7-5/h2*3-4H,1-2H3

InChI key

PYWKOMLPQRZQSD-UHFFFAOYSA-N

Related Categories

General description

(Methylthio)methylpyrazine (mixture of isomers) are pyrazine compounds that are mainly formed in food products by Maillard reaction between sugars and proteins during cooking or roasting. It occurs naturally in tobacco.

Packaging

100 g in glass bottle
1 kg in glass bottle

Biochem/physiol Actions

Taste at 3-10 ppm

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 2

Flash Point(F)

192.2 °F

Flash Point(C)

89 °C

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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