2-Methyl-3-(methylthio)pyrazine

2-Methyl-3- (methylthio) pyrazine is one of the organic compounds. It has a wide range of uses and has its own impact in various fields.
In the field of food flavors, its role is significant. Because of its unique aroma, it can add color and fragrance to food. As in baked goods, it can produce an attractive roasted flavor, which makes the pastry emit a unique aroma, increases appetite, and enhances the flavor quality of the product. In meat processed foods, it can also increase its meat aroma, making the flavor of meat products more rich and mellow, creating a flavor effect similar to long-cooked and slow-simmering, making the taste richer.
In the tobacco industry, it is also indispensable. It can add tobacco aroma and improve tobacco smell. It can reduce the irritation of tobacco, make its smoke softer, and at the same time increase its aroma level, give tobacco a different aroma style, improve the quality and attractiveness of tobacco products, and make smokers feel more comfortable and pleasant.
In addition, it also contributes to the fragrance formulation of daily chemical products. Because of its unique aroma, it can be adjusted into daily chemical products such as perfumes and air fresheners. In perfumes, it can add unique charm to the fragrance, increase its complexity and depth, and create a unique fragrance experience; in air fresheners, it can effectively remove odors, release pleasant aromas, and create a comfortable and fresh environment.
In conclusion, 2-methyl-3- (methylthio) pyrazine is of great value in the food, tobacco, daily chemical and other industries because of its unique aroma characteristics.

2-Methyl-3- (methylthio) pyrazine is a kind of organic compound. It has unique physical properties, which are related to its morphology, melting point, solubility and odor. It is very important in the chemical and food fields.
Looking at its morphology, under normal temperature and pressure, 2-methyl-3- (methylthio) pyrazine is in a colorless to light yellow liquid state. The texture is clear and transparent, and its refraction brilliance can be seen under light, like a pearl. This morphology is convenient for it to be evenly dispersed in many reaction systems and participate in various chemical reactions. It is like a smart dancer, who can freely shuttle through the stage of the reaction.
When it comes to the melting boiling point, its melting point is about -22 ° C, and the boiling point is between 201-203 ° C. The lower melting point makes it able to maintain a liquid state and good fluidity under normal low temperature environments; while the appropriate boiling point indicates that it can be vaporized under moderate heating conditions, which is convenient for separation and purification. This melting boiling point characteristic has a key application in the distillation and distillation of industrial production, just like precise navigation, guiding the smooth progress of the production process.
In terms of solubility, 2-methyl-3- (methylthio) pyrazine is slightly soluble in water, but easily soluble in organic solvents such as ethanol and ether. This property is in line with the principle of "similar miscibility". Because its molecular structure contains hydrophobic methyl and methylthio groups, it is difficult to dissolve in polar water, but it can be miscible with non-polar or weakly polar organic solvents. This solubility makes it widely used in the field of food additives. It can be evenly dispersed in the food system with the help of organic solvents, giving the food a unique flavor, like a magic brush, adding an attractive flavor color to the food.
As for the smell, 2-methyl-3- (methylthio) pyrazine emits a unique aroma of roasted nuts, coffee and meat. This aroma is complex and attractive, due to the olfactory perception triggered by its unique molecular structure. It is this special smell that makes it an important food flavor, widely used in the preparation of nutty, coffee, and meat flavors, adding a rich aroma to food, as if injecting soul into food, making it mouth-watering.

2-Methyl-3- (methylthio) pyrazine, this is an organic compound. Its chemical properties are unique and valuable for investigation.
First of all, its physical properties, at room temperature, 2-methyl-3- (methylthio) pyrazine is mostly liquid, and its appearance may be colorless to light yellow transparent liquid, and it has a special smell. This smell plays a significant role in specific application scenarios, such as in the field of fragrances, and is often used to prepare unique aromas.
In terms of chemical activity, the pyrazine ring structure of the compound gives it a certain stability. However, the methyl group and methylthio substituent on the pyrazine ring have a great impact on its chemical properties. The presence of methyl group can change the electron cloud density of the pyrazine ring because it is an electron supplier group, which in turn affects the reactivity and selectivity of the molecule. Methylthio group is also a power supplier group, but its sulfur atom characteristics make this group not only affect the electron distribution of the pyrazine ring, but also participate in specific chemical reactions.
2-methyl-3 - (methylthio) pyrazine can participate in nucleophilic substitution reactions. The sulfur atom in methylthio group is rich in lone pair electrons and has nucleophilic properties. It can react with suitable electrophilic reagents to form new chemical bonds to achieve structural modification and functional expansion of compounds.
In the oxidation reaction, methylthio can be oxidized by specific oxidants to form sulfoxide or sulfone derivatives. This oxidation reaction can significantly change the polarity and chemical properties of compounds, which is of great significance in the fields of organic synthesis and medicinal chemistry.
It can also participate in some reactions related to the pyrazine ring, such as the substitution reaction on the ring. Through suitable reaction conditions and reagents, other functional groups can be introduced on the pyrazine ring to meet different synthesis needs.
In addition, 2-methyl-3- (methylthio) pyrazine has different solubility in different solvents, which has a great impact on its operation in chemical reactions and practical applications. In organic solvents, its solubility is good, which is conducive to the homogeneous reaction; in water, its solubility is relatively poor, and this property can be exploited in the separation and purification process.
In summary, the chemical properties of 2-methyl-3- (methylthio) pyrazine are rich and diverse, which lays a solid foundation for its application in many fields.

2-Methyl-3- (methylthio) pyrazine is also an organic compound. Although the method of preparation is not detailed in "Tiangong Kaiwu", it can be obtained by extrapolating from today's chemical method.
One method can be started with 2-methylpyrazine. First, 2-methylpyrazine is interacted with a suitable thiolating agent, such as sodium methanethiol, under suitable reaction conditions. Among them, the solvent of the reaction must be carefully selected, such as aprotic polar solvents, such as N, N-dimethylformamide (DMF), which can help the reaction to proceed. Temperature is also critical, and usually under moderate heating conditions, such as between 50 and 80 degrees Celsius, the reaction can occur in an orderly manner. The mechanism of this reaction is a process of nucleophilic substitution. The sulfur atoms in sodium methanethiol are nucleophilic and attack the carbon atoms at a specific position of 2-methylpyrazine, thus forming 2-methyl-3- (methylthio) pyrazine.
There are other ways. It can be achieved by a multi-step reaction starting from the relevant pyrazine derivatives. First, a group that can react with methylthio is introduced through a specific functional group transformation, and then reacts with a reagent containing methylthio. For example, a halogen atom, such as a chlorine atom or a bromine atom, is introduced into the pyrazine ring first, and then reacted with a methyl mercaptan salt. The halogen atom is replaced by a methylthio group to obtain the target product. In this process, the conditions of each step of the reaction need to be precisely controlled, such as the reaction time, the proportion of reactants, etc., which are all related to the purity and yield of the product.
Furthermore, there are also those prepared by biosynthesis. Find a suitable microorganism or enzyme system, and use the enzymatic reaction in the organism to specifically synthesize 2-methyl-3 - (methylthio) pyrazine. Although this biological method has the advantages of green and mild, it requires a high degree of reaction system, and it is necessary to precisely regulate the biological growth and reaction environment, such as pH value, temperature, nutrients, etc., in order to make biosynthesis proceed smoothly.

The price range of 2-methyl-3- (methylthio) pyrazine in the market is difficult to determine. This is due to the complex market conditions, and the price is often influenced by various factors.
First, the cost of production is of great significance. If the procurement price of raw materials is scarce or the origin changes, the procurement cost will increase, and the price of finished products will also rise. And the process of preparing this compound requires high-end equipment and complicated processes, which consume huge manpower and material resources. The cost is high and the price is expensive.
Second, the situation of supply and demand is deeply affected. If the market demand for 2-methyl-3- (methylthio) pyrazine is strong, but the supply is limited, if there are few manufacturers, or the output is reduced due to natural and man-made disasters, the price will rise. On the contrary, if the demand is weak and the supply is abundant, the price will drop.
Third, the quality is related to the price. High purity and high quality, due to the difficulty of production and strict testing requirements, the price is higher than that of ordinary ones.
Fourth, the sales area and channel also have an impact. In prosperous cities, the price may be expensive due to high operating costs; and different sales platforms, such as online and offline, may have different prices due to differences in operating models.
Overall, the price of 2-methyl-3- (methylthio) pyrazine may range from tens to hundreds of yuan per kilogram, but this is only a rough estimate. The actual price depends on the specific market conditions.