Liquid Flavors and Fragrances 109-08-0 2-MethylpyrazineCAS NO.: 109-08-0

Min.Order / FOB Price:Get Latest Price

1 Kilogram	FOB Price:USD 4.0000 -5.0000

1 Kilogram

FOB Price:USD 4.0000 -5.0000

Min.Order :1 Kilogram
Purity: 99%
Payment Terms : L/C,D/A,D/P,T/T,,MoneyGram,Other

Keywords

2-Methylpyrazine 3-Methylpyrazine 99.5% 2-Methylpyrazine

Quick Details

Appearance:powder
Application:Synthetic fragrances
PackAge:drum
ProductionCapacity:10000|Gram|Day
Storage:Room temperature
Transportation:By sea or by air

Superiority:

We are leading fine chemicals supplier in China and

Our main business covers the fields below:

1.Noble Metal Catalysts (Pt.Pd...)

2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...)

3.OLED intermediates (Fluorene,Carbazole,Boric acid...)

4.Customs Synthesis

Our advantage:

1.Higest quality and good package

2.Fast delivery

3.Better payment term

4.Fast response to customer within 6 hours

5.Good business credit in Europe ,US ,Japan ,Korea

Anyway ,if you need any chemicals from China ,Henan Wentao can help you

Details:

Description	2-Methylpyrazine has an odor threshold in water variously reported at 60,000 or 105,000 ppb. May be prepared from the corresponding carboxylic acid; by catalytic dehydrogenation of 2-methyl-piperazine; by condensation of methylglyoxal with ethylenediamine.
Chemical Properties	2-Methylpyrazine has a nutty, cocoa, green, roasted, chocolate, meaty odor.
Chemical Properties	clear colorless to slightly yellow liquid
Occurrence	Reported found in bakery products, roasted barley, cocoa products, coffee, dairy products, cooked meats, peanuts, filberts, pecans, popcorn, potato chips, rum and whiskey, soy product, roasted filberts, roasted almonds, guava, papaya, asparagus, kohlrabi, baked and fried potato, milk, boiled egg, smoked fish, beer, coffee, sesame seed, rice, sukiyaki, buckwheat, sweet corn, corn tortillas, malt, wort, wild rice, okra, crayfish, clam, squid and maté.
Preparation	From corresponding carboxylic acid; by catalytic dehydrogenation of 2-methyl-piperazine; by condensation of methylglyoxal with ethylenediamine
Aroma threshold values	Detection: 60 ppb to 100 ppm
Taste threshold values	Taste characteristics at 75 ppm: nutty, brown, musty, roasted and astringent
Safety Profile	Moderately toxic by ingestion and intraperitoneal routes. Mutation data reported. Flammable liquid when exposed to heat, sparks, or flame. Can react with oxidizing materials. To fight fire, use water spray, foam, dry chemical, CO2. When heated to decomposition it emits highly toxic fumes of NOx.
Purification Methods	Purify it via the picrate and distil the free base. The picrate has m133-134o(from EtOH). [Wiggins & Wise J Chem Soc 4780 1956, Beilstein 23 III/IV 911, 23/5 V 386.]