ChemicalBook > Product Catalog > Flavors and fragrances > Synthetic fragrances > Pyrazine spices > 3,5-DIMETHYL-2-ETHYLPYRAZINE
3,5-DIMETHYL-2-ETHYLPYRAZINE
3,5-DIMETHYL-2-ETHYLPYRAZINE Basic information
- Product Name:
- 3,5-DIMETHYL-2-ETHYLPYRAZINE
- Synonyms:
-
- 2-Ethyl-3,5-dimethylpyrazine
- 3,5-Dimethyl-2-ethylpyrazine
- 2-Ethyl-3,5(6)-dimethylpyrazine, 99%, mixture of isomers
- 2,6-dimethyl-3-ethyl-pyrazin
- 2-ethyl-3,5-dimethyl-pyrazin
- 3,5-dimethyl-2-ethyl-pyrazin
- 3-Ethyl-2,6-dimethylpyrazine
- FEMA 3150
- CAS:
- 13925-07-0
- MF:
- C8H12N2
- MW:
- 136.19
- EINECS:
- 237-694-1
- Product Categories:
-
- Heterocycles
- Heterocyclic Compounds
- Mol File:
- 13925-07-0.mol
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3,5-DIMETHYL-2-ETHYLPYRAZINE Chemical Properties
- Melting point:
- 64-66 °C
- Boiling point:
- 182°C
- Density
- 0.96
- refractive index
- 1.5015
- FEMA
- 3149 | 2-ETHYL-3,(5 OR 6)-DIMETHYLPYRAZINE
- Flash point:
- 182°C
- storage temp.
- Sealed in dry,Room Temperature
- solubility
- soluble in Chloroform, Dichloromethane
- form
- Oil
- pka
- 2.73±0.10(Predicted)
- color
- Yellow
- Odor
- at 0.10 % in dipropylene glycol. burnt almonds roasted nuts coffee
- Odor Type
- nutty
- Water Solubility
- Not miscible or difficult to mix in water. Soluble in alcohol, chloroform and dichloromethane.
- JECFA Number
- 776
- LogP
- 1.63
- EPA Substance Registry System
- Pyrazine, 2-ethyl-3,5-dimethyl- (13925-07-0)
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3,5-DIMETHYL-2-ETHYLPYRAZINE Usage And Synthesis
Chemical Properties
Yellow Oil
Occurrence
Reported found in the basic fractions of whiskey and rum, in roasted peanuts, in roasted barley, in coffee, filberts, potato and soy products, fried pork, cocoa, tea, oatmeal, asparagus, shrimps, clam, squid, grilled beef and wheaten bread
Uses
3,5-Dimethyl-2-ethylpyrazine is an odorant of coffee brews.
Definition
ChEBI: 2-Ethyl-3,5-dimethylpyrazine is a member of pyrazines.
Preparation
By alkylation of 2,6-dimethylpyrazine with ethyllithium
Aroma threshold values
15 ppm in water
3,5-DIMETHYL-2-ETHYLPYRAZINE Preparation Products And Raw materials
Raw materials
3,5-DIMETHYL-2-ETHYLPYRAZINESupplier
J & K SCIENTIFIC LTD.
- Tel
- 010-82848833 400-666-7788
- jkinfo@jkchemical.com
Alfa Aesar
- Tel
- 400-6106006
- saleschina@alfa-asia.com
Energy Chemical
- Tel
- 021-021-58432009 400-005-6266
- sales8178@energy-chemical.com
Chemsky（shanghai）International Co.,Ltd.
- Tel
- 021-50135380
- shchemsky@sina.com
jiliang chemicals
- Tel
- 21-62165282 15801962796;
- bidingchem@163.com