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| | 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 |  |
| | 3,5-DIMETHYL-2-ETHYLPYRAZINE Chemical Properties |
| 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 | | pka | 2.73±0.10(Predicted) | | form | Oil | | 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) |
| | 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 |
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