Other grades of this product :
| Trimethyl-pyrazine Basic information |
| Product Name: | Trimethyl-pyrazine | | Synonyms: | 2,3,5-TriMethylpyrazine 99%;2,3,5-Trimethylpyrazine ,98%;2,3,5-Trimethylpyrazine,99%;2,3,5-Trimethyl-pyrazine >=99.0%;2,3,5-Trimethyl prazine;2.3.5-Methyl pyrazine;2,3,5-Trimethylpyrazine
Trimethyl-pyrazine;Natural 2,3,5-Trimethylpyrazine | | CAS: | 14667-55-1 | | MF: | C7H10N2 | | MW: | 122.17 | | EINECS: | 238-712-0 | | Product Categories: | Building Blocks;Chemical Synthesis;Building Blocks;Heterocyclic Building Blocks;Pyrazine compounds;Heterocyclic Building Blocks;Pyrazines;Heterocyclic Compounds;Mono- & Polyalkylpyrazines;pyrazine Flavor;Alphabetical Listings;Flavors and Fragrances;Q-Z | | Mol File: | 14667-55-1.mol |
| Trimethyl-pyrazine Chemical Properties |
| Hazard Codes | Xn | | Risk Statements | 10-22-36/37/38 | | Safety Statements | 16-26-36/37/39 | | RIDADR | UN 1993 3/PG 3 | | WGK Germany | 3 | | RTECS | UQ3907000 | | TSCA | Yes | | HazardClass | 3 | | PackingGroup | III | | HS Code | 29339900 |
| Trimethyl-pyrazine Usage And Synthesis |
| Chemical Properties | CLEAR YELLOW LIQUID | | Chemical Properties | 2,3,5-Trimethylpyrazine has a baked potato or roasted nut aroma. | | Occurrence | Reported present in bakery products, roasted barley, cocoa products, coffee, dairy products, meat, peanuts,
filberts, pecans, popcorn, potato products, rum and whiskey, soy products, raw asparagus, baked potato, wheaten bread, crispbread,
Swiss cheese, coffee, black tea, green tea, roasted barley, roasted filbert, heated beef, roasted peanut, soybean, raw beans, coriander
seed, scallop, guava, kohlrabi, bell pepper, blue, Swiss and Gruyere cheese, boiled egg, fatty fish, beer, sherry, barley, peanut, oat
products, coconut, beans, mushroom, trassi, almond, macadamia nut, sesame seed, coriander seed, rice, licorice, sweet corn, malt,
peated malt, wort, krill, fermented shrimp, crab, okra, crayfish, clam, scallop and squid. | | Uses | Trimethylpyrazine is a key aroma compound of dark chocolates differing in organoleptic properties. | | Uses | 2,3,5-Trimethylpyrazine can be used as a flavor ingredient in food industries. | | Preparation | From 2,5-dimethylpyrazine by ring alkylation with MeLi; by condensing propylenediamine with 2,3-butanedione. | | Aroma threshold values | Detection: 400 ppb to 9 ppm (9 ppm in water) | | Taste threshold values | Taste characteristics at 80 ppm: raw, musty, nutty and potato. | | General Description | 2,3,5-Trimethylpyrazine is present in brown cheese. | | Safety Profile | Moderately toxic by
ingestion. Combustible liquid. When heated
to decomposition emits toxic fumes of NOx. |
| Trimethyl-pyrazine Preparation Products And Raw materials |
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