W330604

Sigma-Aldrich

5H-5-Methyl-6,7-dihydrocyclopenta[b]pyrazine

≥97%, FG

Synonym(s):
Nutty pyrazine
Empirical Formula (Hill Notation):
C8H10N2
CAS Number:
Molecular Weight:
134.18
FEMA Number:
3306
EC Number:
Council of Europe no.:
2314
MDL number:
PubChem Substance ID:
Flavis number:
14.037

Quality Level

biological source

synthetic

grade

FG
Halal
Kosher

Agency/Method

follows IFRA guidelines
meets purity specifications of JECFA

reg. compliance

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

assay

≥97%

refractive index

n20/D 1.527 (lit.)

bp

96-99 °C/20 mmHg (lit.)

density

1.055 g/mL at 25 °C (lit.)

Documentation

see Safety & Documentation for available documents

Featured Industry

Flavors and Fragrances

Organoleptic

hazelnut; musty; nutty; peanut

food allergen

no known allergens

fragrance allergen

no known allergens

SMILES string

CC1CCc2nccnc12

InChI

1S/C8H10N2/c1-6-2-3-7-8(6)10-5-4-9-7/h4-6H,2-3H2,1H3

InChI key

YZEFQPIMXZVPKP-UHFFFAOYSA-N

Related Categories

General description

5H-5-Methyl-6,7-dihydrocyclopenta[b]pyrazine is the major flavor compound of palm sugar. It is also found in coffee and cooked meat.

Packaging

25, 100 g in glass bottle
1 kg in glass bottle

Other Notes

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Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Target Organs

Respiratory system

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Flash Point(F)

174.2 °F - closed cup

Flash Point(C)

79 °C - closed cup

Pyrazines in foods: an update
Maga JA & Katz I.
Critical Reviews in Food Science and Nutrition, 16(1), 1-48 (1982)
Changes in volatile compounds of palm sap (Arenga pinnata) during the heating process for production of palm sugar.
Ho CW, et al.
Food Chemistry, 102(4), 1156-1162 (2007)
Pyrazines in foods.
Maga JA, et al.
Critical Reviews in Food Science and Nutrition, 4(1), 39-115 (1973)
Cycloalkapyrazines in coffee aroma
Vitzthum OG & Werkhoff P.
Journal of Agricultural and Food Chemistry, 23(3), 510-516 (1975)
Jonita Stankevičiūtė et al.
Scientific reports, 6, 39129-39129 (2016-12-17)
Pyridinols and pyridinamines are important intermediates with many applications in chemical industry. The pyridine derivatives are in great demand as synthons for pharmaceutical products. Moreover, pyridines are used either as biologically active substances or as building blocks for polymers with...

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