Benzoin with the CAS number 119 - 53 - 9 is a well - known organic compound. It has the chemical formula C₁₄H₁₂O₂, and its systematic name is 2 - hydroxy - 1,2 - diphenylethanone. Benzoin appears as a white to yellowish crystalline powder or solid.
It has a melting point ranging from 137 - 139 °C. The density of benzoin is approximately 1.179 g/cm³. It has a characteristic faint, sweet odor. In terms of solubility, it is sparingly soluble in water but soluble in organic solvents such as ethanol, ether, and chloroform. These physical and chemical properties make it suitable for a variety of applications.
Benzoin has a wide range of uses in different industries. In the fragrance industry, it is a valuable ingredient. Its sweet and resinous aroma adds a warm and rich note to perfumes and colognes. Due to its fixative properties, it helps to prolong the scent of other volatile fragrance components, ensuring that the perfume lasts longer on the skin.
In the pharmaceutical field, benzoin has antiseptic and expectorant properties. It can be used in the form of tinctures for treating minor skin irritations and wounds. It is also used in some cough syrups as an expectorant to help clear the respiratory tract.
Benzoin is also used in the food industry as a flavoring agent. It can provide a unique flavor to certain food products, especially confectioneries and baked goods.
Fragrance Industry: In perfume formulation, benzoin is usually used in combination with other essential oils and fragrance materials. First, it needs to be dissolved in a suitable solvent such as ethanol to form a homogeneous solution. The amount of benzoin used depends on the desired strength of the fragrance and the overall formula of the perfume. A common starting point might be 3 - 5% of the total perfume composition, but this can be adjusted according to the specific requirements.
Pharmaceutical Use: For skin applications, benzoin tinctures should be applied carefully to the affected area with a cotton swab or clean cloth. Make sure the skin is clean and dry before application. For internal use in cough syrups, it should be used in strict accordance with the prescribed dosage and under the guidance of a medical professional.
Food Industry: When using benzoin as a flavoring agent in food, it should be added in appropriate quantities according to the food safety regulations. It is often dissolved in a small amount of edible oil or other suitable solvents before being added to the food mixture during the cooking or preparation process.
Fragrance Manufacturer: A well - known perfume brand introduced a new line of luxury perfumes. By incorporating high - quality benzoin into their formulas, they were able to create a long - lasting, warm, and inviting fragrance. The use of benzoin as a fixative not only enhanced the staying power of the perfume but also added a unique depth and character. As a result, the new perfume line received positive feedback from consumers, and sales increased significantly.
Pharmaceutical Company: A pharmaceutical company developed a new cough syrup using benzoin as an expectorant. Clinical trials showed that patients taking the cough syrup with benzoin experienced faster relief from cough symptoms compared to those using a placebo. The antiseptic properties of benzoin also helped to prevent secondary infections in the respiratory tract, making it a popular choice among consumers and medical professionals.
Confectionery Manufacturer: A confectionery company decided to add benzoin as a flavoring agent to their new line of chocolates. The unique flavor of benzoin gave the chocolates a distinct and sophisticated taste. This innovation attracted a new segment of consumers who were looking for high - quality, artisanal chocolates. Sales of the new chocolate line increased by 20% within the first few months of its launch.
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