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W320803

Sigma-Aldrich

(Methylthio)methylpyrazine

mixture of isomers, ≥98%, FG

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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

biological source

synthetic

Quality Level

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

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This Item
W314900W327204W396400
vibrant-m

W320803

(Methylthio)methylpyrazine

vibrant-m

W327204

2,5-Dimethylpyrazine

vibrant-m

W396400

2-Acetyl-3-methylpyrazine

grade

FG, Halal, Fragrance grade, Kosher

grade

FG, Fragrance grade, Halal, Kosher

grade

FG, Fragrance grade, Halal, Kosher

grade

FG, Fragrance grade, Halal, Kosher

organoleptic

cocoa; coffee; hazelnut; roasted

organoleptic

chocolate; hazelnut; nutty; peanut; roasted

organoleptic

cocoa; nutty; woody; earthy

organoleptic

nutty; roasted

fragrance allergen

no known allergens

fragrance allergen

no known allergens

fragrance allergen

no known allergens

fragrance allergen

no known allergens

food allergen

no known allergens

food allergen

no known allergens

food allergen

no known allergens

food allergen

no known allergens

assay

≥98%

assay

≥95%

assay

≥98%

assay

≥98%

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.

Biochem/physiol Actions

Taste at 3-10 ppm

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

10 - Combustible liquids

wgk_germany

WGK 2

flash_point_f

192.2 °F

flash_point_c

89 °C


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