Trans-2-hexenal, with the CAS number 6728-26-3, is a significant chemical compound. It has a molecular formula of C6H10O and a molecular weight of approximately 98.14 g/mol. This compound appears as a colorless to pale yellow liquid with a pungent, grassy odor. It is sparingly soluble in water but soluble in organic solvents such as ethanol and ether. The boiling point of Trans-2-hexenal is around 133 - 134°C, and its density is about 0.859 g/cm³ at 25°C. In the market, it is often supplied by factories at a low price, making it an attractive option for various industries.
Trans-2-hexenal has a wide range of applications across different industries. In the food industry, it is a crucial flavoring agent. Due to its characteristic grassy and green odor, it is used to enhance the natural flavor of foods, especially in products like fruit juices, soft drinks, and confectioneries. It can impart a fresh and natural taste, making the products more appealing to consumers.
In the fragrance industry, Trans-2-hexenal is used as a top - note ingredient in perfumes and colognes. Its fresh and green aroma can create a natural and invigorating scent profile, adding a touch of the outdoors to the fragrance.
Moreover, in the agricultural field, Trans-2-hexenal can act as a natural pest repellent. Some studies have shown that it can deter certain insects, which is beneficial for protecting crops without using harsh chemical pesticides.
When using Trans-2-hexenal in the food industry, it should be added in accordance with the regulations and limitations set by relevant food safety authorities. Generally, it is recommended to use it in small amounts, usually in the range of parts per million (ppm). First, it can be dissolved in a suitable solvent such as ethanol before being added to the food product to ensure uniform distribution.
In the fragrance industry, perfumers will carefully blend Trans-2-hexenal with other fragrance ingredients. They usually start with a small amount and gradually adjust the proportion according to the desired scent profile. It should be stored in a cool and dark place to maintain its stability.
For agricultural use, it can be sprayed on crops in the form of a diluted solution. The concentration of the solution needs to be determined based on the type of crop and the target pests. It is important to wear appropriate protective equipment during the spraying process.
Food Industry Case: A well - known juice company was looking to improve the natural flavor of their apple juice. They decided to add a small amount of Trans-2-hexenal at a concentration of 5 ppm. After adding it, the juice had a more intense and fresh apple flavor. Consumer feedback indicated that the new juice was perceived as more natural and delicious. Sales of the juice increased by 15% within three months after the flavor improvement, demonstrating the effectiveness of Trans-2-hexenal in enhancing food flavor.
Fragrance Industry Case: A perfume brand wanted to create a new summer fragrance with a fresh and green theme. The perfumer added Trans-2-hexenal as a top - note ingredient. By carefully balancing its proportion with other floral and woody notes, they created a unique and refreshing scent. The new perfume became a best - seller during the summer season, and the brand received positive reviews for its natural and invigorating aroma.
Agricultural Case: A strawberry farm was facing a problem with aphid infestation. Instead of using chemical pesticides, they prepared a diluted solution of Trans-2-hexenal with a concentration of 0.5%. They sprayed the solution on the strawberry plants every two weeks. After a month, the number of aphids decreased significantly, and the strawberry plants showed better growth and health. This case shows that Trans-2-hexenal can be an effective and environmentally - friendly alternative for pest control in agriculture.
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Este es William, CEO de Zhishang Chemical Co., Ltd.
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