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2,3-Diethyl-5-methylpyrazine

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Company Name: Capot Chemical Co.,Ltd.
Tel: 571-85586718 +8613336195806
Email: sales@capotchem.com
Products Intro: Product Name:2,3-Diethyl-5-methylpyrazine
CAS:18138-04-0
Purity:98%(Min,GC) Package:1G;1KG;100KG
Company Name: Henan Tianfu Chemical Co.,Ltd.
Tel: +86-0371-55170693 +86-19937530512
Email: info@tianfuchem.com
Products Intro: Product Name:Food additive in Chocolate 2,3-Diethyl-5-methylpyrazine 18138-04-0
CAS:18138-04-0
Purity:99% Package:25KG;5KG;1KG
Company Name: career henan chemical co
Tel: +86-0371-86658258
Email: sales@coreychem.com
Products Intro: Product Name:2,3-Diethyl-5-methylpyrazine
CAS:18138-04-0
Purity:98% Package:25KG;100USD
Company Name: Hubei Jusheng Technology Co.,Ltd.
Tel: 18871490254
Email: linda@hubeijusheng.com
Products Intro: Product Name:2,3-Diethyl-5-methylpyrazine
CAS:18138-04-0
Purity:99% Package:5KG;1KG Remarks:C9H14N2
Company Name: Jinan Finer Chemical Co., Ltd
Tel: +86-531-88989536 +86-15508631887
Email: sales@finerchem.com
Products Intro: Product Name:2,3-Diethyl-5-methyl pyrazine
CAS:18138-04-0
Purity:99%

2,3-Diethyl-5-methylpyrazine manufacturers
2,3-Diethyl-5-methylpyrazine Basic information
Product Name:2,3-Diethyl-5-methylpyrazine
Synonyms:2,3-diethyl-5-methyl-pyrazin;5-Methyl-2,3-diethylpyrazine;Pyrazine, 2,3-diethyl-5-methyl-;LABOTEST-BB LT00453041;FEMA 3336;FEMA NUMBER 3336;2,3-DIETHYL-5-METHYLPYRAZINE;2,3-DIETHYL-6-METHYLPYRAZINE
CAS:18138-04-0
MF:C9H14N2
MW:150.22
EINECS:242-024-6
Product Categories:Building Blocks;Chemical Synthesis;Heterocyclic Building Blocks;Alphabetical Listings;C-D;Flavors and Fragrances;Building Blocks;Heterocyclic Building Blocks;PIPERIDINE;Pyrazine;Heterocyclic Compounds;Mono- & Polyalkylpyrazines;Pyrazines;pyrazine Flavor
Mol File:18138-04-0.mol
2,3-Diethyl-5-methylpyrazine Structure
2,3-Diethyl-5-methylpyrazine Chemical Properties
Boiling point 95 °C (20 mmHg)
density 0.949 g/mL at 25 °C (lit.)
refractive index n20/D 1.498(lit.)
FEMA 3336 | 2,3-DIETHYL-5-METHYLPYRAZINE
Fp 176 °F
storage temp. 2-8°C
solubility Chloroform, Methanol
pka2?+-.0.10(Predicted)
Specific Gravity0.950.949
color Clear Colourless
Odorat 0.10 % in dipropylene glycol. musty nut skin earthy roasted hazelnut toasted potato dusty foliage vegetable
Odor Typemusty
Water Solubility SLIGHTLY SOLUBLE
JECFA Number777
LogP2.16
CAS DataBase Reference18138-04-0(CAS DataBase Reference)
NIST Chemistry ReferencePyrazine, 2,3-diethyl-5-methyl-(18138-04-0)
EPA Substance Registry SystemPyrazine, 2,3-diethyl-5-methyl- (18138-04-0)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36/37/39
RIDADR NA 1993 / PGIII
WGK Germany 3
TSCA Yes
HazardClass 3
PackingGroup III
HS Code 29339900
MSDS Information
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2,3-Diethyl-5-methylpyrazine Usage And Synthesis
Chemical PropertiesCLEAR LIGHT YELLOW LIQUID
Chemical Properties2,3-Diethyl-5-methylpyrazine has a nutty, roasted, vegetable aroma.
OccurrenceReported to be present in coffee, filberts, potato products, Parmesan cheese, chicken, beef, pork, cocoa, peanuts, popcorn, sesame seed and corn tortillas.
Uses2,3-Diethyl-5-methylpyrazine is a volatile compound found in food such as almonds and swiss cheese.
DefinitionChEBI: 2,3-Diethyl-5-methylpyrazine is a member of pyrazines.
PreparationBy condensation of 3,4-hexanedione with propylene diamine.
Aroma threshold valuesDetection: 0.09 to 1 ppb
Taste threshold valuesTaste characteristics at 2.5 ppm: musty, toasted; nutty, potato, cocoa, earthy and dirty.
General Description2,3-Diethyl-5-methylpyrazine has been identified as a potent odorant in coffee sample and has been evaluated by gas chromatography-olfactometry of decreasing headspace samples.
2,3-Diethyl-5-methylpyrazine Preparation Products And Raw materials
Raw materials1,2-Diaminopropane-->3,4-Hexanedione
Preparation ProductsPyrazine
Tag:2,3-Diethyl-5-methylpyrazine(18138-04-0) Related Product Information
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