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W323705

Sigma-Aldrich

2,3,5,6-Tetramethylpyrazine

≥98%, FG

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Synonym(s):
Chuanxingzine, Ligustrazine, Tetrapyrazine
Empirical Formula (Hill Notation):
C8H12N2
CAS Number:
Molecular Weight:
136.19
FEMA Number:
3237
Beilstein:
113100
EC Number:
Council of Europe no.:
734
MDL number:
PubChem Substance ID:
Flavis number:
14.018

biological source

synthetic

Quality Level

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

≥98%

bp

190 °C (lit.)

mp

77-80 °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

chocolate; coffee; fatty; musty; nutty

SMILES string

Cc1nc(C)c(C)nc1C

InChI

1S/C8H12N2/c1-5-6(2)10-8(4)7(3)9-5/h1-4H3

InChI key

FINHMKGKINIASC-UHFFFAOYSA-N

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This Item
W323713W342408W320218
3-Acetylpyridine ≥98%, FG

Sigma-Aldrich

W342408

3-Acetylpyridine

grade

FG, Fragrance grade, Halal, Kosher

grade

FG, Fragrance grade, Halal, Kosher, natural

grade

FG, Fragrance grade, Halal, Kosher

grade

FG, Fragrance grade, Halal, Kosher

agency

follows IFRA guidelines, meets purity specifications of JECFA

agency

follows IFRA guidelines, meets purity specifications of JECFA

agency

follows IFRA guidelines, meets purity specifications of JECFA

agency

follows IFRA guidelines, meets purity specifications of JECFA

assay

≥98%

assay

≥98%

assay

≥98%

assay

≥98%

bp

190 °C (lit.)

bp

190 °C (lit.)

bp

220 °C (lit.)

bp

220 °C (lit.)

mp

77-80 °C (lit.)

mp

77-80 °C (lit.)

mp

11-13 °C (lit.)

mp

88-93 °C (lit.)

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Hepatic fibrosis represents a frequent event following chronic insult to trigger wound healing reactions with accumulation of extracellular matrix (ECM) in the liver. Activation of hepatic stellate cells (HSCs) is the pivotal event during liver fibrogenesis. Compelling evidence indicates that

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