Flavors and Fragrances

Indole exists in feces, coal tar, jasmine oil and Neroli oil. It is colorless, lobular or plate-shaped crystal. It has strong fecal odor. The pure product has fresh flower odor after dilution. It is soluble in hot water, benzene and petroleum. It is easily soluble in ethanol, ether and methanol. It can volatilize with water vapor. It turns red when placed in air or visible light, and resinifies. It is weakly acidic and forms salt with alkali metals, It is resinified or polymerized with acid. The highly diluted solution has jasmine fragrance and can be used as perfume. Indole is an important organic raw material and fine chemical product. Its homologues and derivatives widely exist in nature, mainly in natural flower oil, such as jasmine, sweet orange, white lemon, pomelo peel, orange, bitter orange, Narcissus, vanilla, etc. It can be widely used in jasmine, Syringa, orange blossom, gardenia, honeysuckle, lotus, Narcissus, Yilan, orchid, and prune. It is often used in combination with methyl indole to make artificial civet flavors. It can be used in chocolate, raspberry, strawberry, bitter orange, coffee, nuts, cheese, grape and fruit flavor compound.

Ethylene glycol phenyl ether is a typical high boiling point organic solvent, which has been widely used in Europe and America as early as 1970s. It is a kind of colorless and transparent liquid with rose fragrance, low volatility and high boiling point. Because it can be miscible with many organic solvents and has strong permeability, it has outstanding comprehensive performance compared with isophorone, DBE and benzyl alcohol, and can be used instead of all performance. Ethylene glycol phenyl ether has excellent solubility for acrylic resin, nitrocellulose, ethyl cellulose, epoxy resin, alkyd resin, phenoxy resin and other resins, and can be miscible with alcohol and ether, commonly known as "universal solvent". This product can be used as water-based coating and ink film forming AIDS, perfume and fragrance setting agents, ink fluence, pharmaceutical antiseptic fungicides, electronic cleaning agents and ink slow drying agents.

2,5-Dimethylpyrazine is a colorless to yellowish liquid with pungent aroma of fried peanut, chocolate and cream. It has the taste of potato and soil, and is miscible in water and organic solvents. Natural products are found in bulbous kale, pork, rum, cocoa, coffee, potato chips, river shrimp, etc. The product has pungent smell of fried flowers, chocolate and cream. It is a kind of perfume permitted by gb-2760-86. It is mainly used for the preparation of flavors such as cocoa, coffee, meat, nuts and potatoes. It can also be used in dyestuff and pharmaceutical industry.

Isoamyl acetate is an important solvent, which can dissolve nitrocellulose, triglyceride rosin ester, ethylene resin, coumarin resin, rosin, frankincense, Dama resin, Shanda resin, castor oil, etc. In Japan, 80% of this product is used as perfume. It has strong fruit flavor, like pear, banana, apple and so on. Therefore, it is widely used as a variety of edible fruit flavor. It is also suitable for tobacco flavor and daily cosmetics. It is also used in the extraction of artificial silk, dyes, artificial pearls and penicillin.

1. Secondary octanol phthalate ester is prepared by the reaction of secondary octanol and phthalic anhydride. It is a common plasticizer for polyvinyl chloride. It is also used in synthetic fiber oil and defoamer. 2. It is used to synthesize surfactant, coal mine flotation agent and pesticide emulsifier raw materials. 3. Used as a solvent, such as a solvent for grease and wax. 4. As a pharmaceutical raw material, it is used to synthesize the synthetic raw material of gerazosin.