Identification | Back Directory | [Name]
3,5-DIMETHYL-2-ETHYLPYRAZINE | [CAS]
13925-07-0 | [Synonyms]
fema3150 FEMA 3150 2-Ethyl-3,5-dimethylpyrazine 3,5-Dimethyl-2-ethylpyrazine 2,6-dimethyl-3-ethyl-pyrazin 2-ethyl-3,5-dimethyl-pyrazin 3,5-dimethyl-2-ethyl-pyrazin 3-Ethyl-2,6-dimethylpyrazine Pyrazine, 3-ethyl-2,6-dimethyl Pyrazine, 2,6-dimethyl-3-ethyl- Pyrazine, 2-ethyl-3,5-dimethyl- Pyrazine, 3,5-dimethyl-2-ethyl- dimethylethylpyrazine,2,6-dimethyl-3-ethylpyrazine ethyldimethylpyrazine,2-ethyl-3,5-dimethylpyrazine 2-Ethyl-3,5(6)-dimethylpyrazine, 99%, mixture of isomers 3,5-Dimethyl-2-EthylPyrazine 2-Ethyl-3,5-DimethylPyrazine | [EINECS(EC#)]
237-694-1 | [Molecular Formula]
C8H12N2 | [MDL Number]
MFCD00047392 | [MOL File]
13925-07-0.mol | [Molecular Weight]
136.194 |
Chemical Properties | Back Directory | [Appearance]
Yellow Oil | [Melting point ]
64-66 °C | [Boiling point ]
182°C | [density ]
0.96 | [FEMA ]
3149 | 2-ETHYL-3,(5 OR 6)-DIMETHYLPYRAZINE | [refractive index ]
1.5015 | [Fp ]
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) |
Hazard Information | Back Directory | [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 |
|
|