Butylated Hydroxytoluene CAS# 128-37-0

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• Chemical Name:  Butylated Hydroxytoluene
• CAS No.:     128-37-0
• Molecular Fomula: ：C15H24O
• Molecular weight：220.35
• Appearance: Colorless and odorless crystals
• Sample：Available

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Description of TECHNICAL

• Butylated hydroxytoluene (BHT), also known as dibutylhydroxytoluene, is a lipophilic organic compound, chemically a derivative of phenol, that is useful for its antioxidant properties. European and U.S. regulations allow small amounts to be used as a food additive. In addition to this use, BHT is widely used to prevent oxidation in fluids (e.g. fuel, oil) and other materials where free radicals must be controlled.

Basic Info of TECHNICAL

Basic Info
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Basic Info

Numbering system

Properties

Safety Info

What is Butylated Hydroxytoluene?

• With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Butylated Hydroxytoluene   which has developed particularly rapidly in recent years. Do you know about Butylated Hydroxytoluene?
• The official answer：White crystals. The color turns yellow when exposed to light and gradually becomes darker. Soluble in benzene, toluene, methanol, methyl ethyl ketone, ethanol, isopropanol, petroleum ether, linseed oil, insoluble in water, and 10℃ caustic soda solution. (1)Put p-cresol and tert-butanol into the reaction kettle to dissolve by molar ratio 1:1.1. Under the action of catalyst phosphoric acid, the reaction at 65-70 ℃ with strong stirring; after the reaction is completed, the reaction products are first washed with 10% sodium hydroxide solution to alkaline, and then washed with water to neutral; remove the solvent and recrystallize with ethanol to obtain the finished product.

What’s the application of Butylated Hydroxytoluene?

• BHT is an oil-soluble antioxidant widely used at home and abroad. Although it is more toxic, its antioxidant capacity is strong, heat resistance and stability are good, there is no specific odor, there is no metal ion color reaction and other shortcomings, and the price is low, only 1/5 to 1/8 of BHA, China is still used as the main antioxidant. Generally used with BHA and citric acid or other organic acids as synergists. BHT can be used in edible fats and oils, fried foods, cookies, instant noodles, instant cooked rice, canned nuts, dried fish products, and cured meat products, with a maximum use level of 0.2g/kg. It also has some antibacterial effects. The maximum dosage is 150g/t. BHT is an oil-soluble antioxidant widely used at home and abroad. Although it is more toxic, its antioxidant capacity is strong, heat resistance and stability are good, there is no specific odor, there is no metal ion color reaction and other shortcomings, and the price is low, only 1/8-1/5 of BHA, China is still used as the main antioxidant. Generally used with BHA and citric acid or other organic acids as synergists. Used as a general-purpose phenolic antioxidant. Widely used in polymer materials, petroleum products, and the food processing industry. This product is a common rubber antioxidant. It has a certain protective effect on heat and oxygen aging, and can also inhibit copper damage. It has no anti-ozone ability alone, but it can protect against the damage of vulcanized rubber with an anti-ozone agent and wax. It can also be used as a gelling inhibitor in styrene-butadiene rubber. The general dosage in rubber is 0.5-3 parts. When the dosage is increased to 3-5 parts, it will not spray frost. This product can also be used as a stabilizer in the post-processing and storage of synthetic rubber and can be used in styrene-butadiene rubber, butadiene rubber, ethylene-propylene rubber, chloroprene rubber, and other rubber types. Antioxidant 264 is an effective antioxidant in some polymer materials. It is an effective stabilizer in polyethylene, polyvinyl chloride (dosage 0.01-0.1%), and polyvinyl ether. Antioxidant 264 is an excellent antioxidant additive for various petroleum products. Good oil solubility. This product can also be used as an antioxidant for the food processing industry, used in foods containing more oil and grease. The dosage in grease, butter, dried fish and shellfish products, fish and shellfish salt-cured products, whale meat frozen products, etc. is less than 0.2g/kg, and less than 0.75g/kg in chewing gum. The usage of this product is the dipping method, direct mixing method, mixing method after dissolving in ethanol and spraying method, etc. The United States, Japan, and the European Community all use this product as a legal feed additive, and the European Community stipulates that the maximum amount in the feed is 150ppm, which can be used in various feeds.

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