Allyl mercaptan, with the CAS number 870 - 23 - 5, is a colorless to pale yellow liquid with a pungent, garlic - like odor. It has a molecular formula of C₃H₆S and a molecular weight of approximately 74.14 g/mol. The boiling point of allyl mercaptan is around 68 - 70 °C, and its density is about 0.854 g/mL at 25 °C. It is sparingly soluble in water but miscible with many organic solvents such as ethanol, ether, and benzene. This high - quality allyl mercaptan is offered at a good price, meeting the requirements of different users in various industries.
1. **Flavor and Fragrance Industry**: Allyl mercaptan is an important flavoring agent. Its characteristic garlic - like odor makes it a key ingredient in the synthesis of garlic - flavored products. In the production of savory flavors for snacks, seasonings, and processed foods, it can impart a strong and authentic garlic taste.
2. **Organic Synthesis**: It serves as a valuable building block in organic chemistry. It can be used in the synthesis of a variety of sulfur - containing compounds. For example, it can participate in reactions such as alkylation and addition reactions to form more complex organic molecules, which are widely used in the pharmaceutical and agrochemical industries.
3. **Petroleum Industry**: In the petroleum industry, allyl mercaptan can be used as a sulfur - containing additive. It can improve the performance of certain fuels and lubricants by adjusting their sulfur content and chemical properties.
1. **Handling Precautions**: When handling allyl mercaptan, it is essential to wear appropriate personal protective equipment, including chemical - resistant gloves, safety goggles, and a respirator. Since it has a pungent odor and is potentially harmful, all operations should be carried out in a well - ventilated area, preferably in a fume hood.
2. **Storage**: Store allyl mercaptan in a cool, dry place away from direct sunlight and sources of ignition. It should be kept in tightly sealed containers made of materials that are resistant to corrosion, such as glass or certain types of plastics.
3. **Dosing in Applications**: In flavor and fragrance applications, the amount of allyl mercaptan used depends on the desired flavor intensity. Usually, it is used in very small amounts, often in the parts - per - million (ppm) range. In organic synthesis, the dosage is determined by the stoichiometry of the reaction and the reaction scale.
1. **Flavoring in Snack Food**: A snack food manufacturer wanted to develop a new garlic - flavored chip. They added a small amount (about 10 ppm) of high - quality allyl mercaptan to the seasoning blend. The result was a chip with a strong and realistic garlic flavor that was well - received by consumers. Market research showed an increase in sales of the new product compared to their previous garlic - flavored snacks, indicating that the use of allyl mercaptan effectively enhanced the flavor.
2. **Organic Synthesis of a Pharmaceutical Intermediate**: A pharmaceutical company was synthesizing a new drug intermediate. They used allyl mercaptan as a starting material in an alkylation reaction. By carefully controlling the reaction conditions and the amount of allyl mercaptan, they were able to achieve a high yield of the desired intermediate. The purity of the intermediate was also satisfactory, which is crucial for the subsequent steps in the drug manufacturing process.
3. **Fuel Additive in the Automotive Industry**: An automotive fuel additive company incorporated allyl mercaptan into their fuel additive formula. After road tests, they found that the addition of allyl mercaptan improved the combustion efficiency of the fuel, resulting in better engine performance and reduced emissions. This shows the potential application of allyl mercaptan in the fuel industry.
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