العربية
Português
Русский
Indonesian
Vietnamese
Japanese
Hydroquinone Uses:In medicine, hydroquinone is mainly used in the treatment of pigmented skin diseases, such as chloasma and freckles, etc.
Contact Now
P-Hydroquinone, known as hydroquinone or hydroquinone in Chinese, is an important organic compound with the chemical formula C6H6O2 and a white crystalline form. This compound has a wide range of applications in the chemical industry, the pharmaceutical field, and the photographic industry. In terms of uses, P-Hydroquinone is mainly used in the production of black and white developers, anthraquinone dyes, azo dyes and so on. In the rubber industry, it is often used as an antioxidant, which helps to extend the service life of rubber products.
Contact Now
Eastman in the United States, Camlin in India, and others. At present, the production of tert butyl hydroquinone both domestically and internationally adopts the tert butylation method of hydroquinone, as shown in Figure 2. According to different classifications of alkylation reagents, it can be divided into tert butyl method, isobutylene method, and MTBE method.
Contact Now
Product ParametersTert butyl hydroquinone (TBHQ), also known as tert butyl hydroquinone, is a white crystalline powder with a temperature range of 126.5-128.5 ℃ and a temperature range of 300 ℃.
Contact Now
In the United States and China, the maximum allowable dosage of TBHQ in food is 200ppm,At present, the production of tert butyl hydroquinone both domestically and internationally adopts the tert butylation method of hydroquinone, as shown in Figure 2. According to different classifications of alkylation reagents.Both domestic and foreign patent literature have reported this process, such as using toluene or xylene as solvents, the selectivity and yield of this reaction are relatively ideal.
Contact Now
Tert butyl hydroquinone (TBHQ), also known as tert butyl hydroquinone, is a white crystalline powder with a melting point of 126.5-128.5 ℃ and a boiling point of 300 ℃. Its CAS number is 1948-33-0, and it is easily soluble in ethanol and ether. It is the most effective antioxidant for most oils, especially vegetable oils. T-butylhydroquinone, abbreviated as TBHQ, has a molecular formula of Cl0H1402 and a molecular weight of 166.22. [1] It is a white to light gray crystalline or crystalline powder with a very slight special odor.
Contact Now
However, the active chemical properties of oils and fats are prone to deterioration due to oxidation and other factors. Oil antioxidants are a type of substance that can prevent or delay the deterioration of oils or fatty foods, extend their shelf life, and tert butyl hydroquinone (TBHQ) is a high-quality edible oil antioxidant.At present, the production of tert butyl hydroquinone both domestically and internationally adopts the tert butylation method of hydroquinone, as shown in Figure 2.
Contact Now
Tert-butylhydroquinone, white crystalline powder its point is 126.5-128.5 ℃ point of 300 ℃ CAS No.: 1948-33-0, easily soluble in alcohols and waking up, most of the fats and oils, especially for vegetable oils antioxidant function is the most effective.
Contact Now
1.Product Characteristics1. Synthetic oil antioxidant TBHQ is a highly efficient, low-toxicity phenolic antioxidant with excellent antioxidant effect, and the antioxidant capacity is up to 5-7 times compared with existing food antioxidants such as BHA, BHT and PG.2. Synergistic: TBHQ can be used together with other antioxidants (such as BHA, B HT) and chelating agents (such as citric acid, etc.).3. High temperature resistance: TBHQ can be used in high temperature processed food, such as frying food, with good thermal stability.4.
Contact Now
Product Characteristics1.Tertiary butylhydroquinone is a highly efficient, low-toxicity antioxidant phenolic antioxidant with excellent antioxidant effect, and with the existing food antioxidants BHA, BHT, PG, etc. Comparison of antioxidant capacity as high as 5-7 times2. synergistic: with other antioxidants (such as BHA, B HT) and chelating agents (such as citric acid, etc.) together, there is a synergistic effect.3. High temperature resistance: it can be applied to high temperature processed food, such as frying food, with good thermal stability.4.
Contact Now
Physical and chemical properties:Density: 1.328g/cm3Melting point: 172-175℃Boiling point: 286℃Flash point: 141.6Refractive index: 1.612Critical temperature: 549.9℃Critical pressure: 7.45MPaIgnition temperature: 516℃Explosion limit (V/V): 15.3%Lower explosion limit (V/V): 1.6 %Property: white needle crystal, discolored by light, with special odorSolubility: soluble in hot water, soluble in cold water, ethanol and ether, slightly soluble in benzene Packaging, storage, transportation:1: 25KG (net weight) kraft paper laminated bag, lined with double polyethylene plastic bag.2: Store in a cool
Contact Now
TBHQ, also known as tert butyl hydroquinone, is a phenolic oil soluble antioxidant. TBHQ has high efficiency and stability.The US Food and Drug Administration (FDA) allows TBHQ to be used alone or in combination (with BHA or BHT) for oil or fatty foods, including volatile essential oils, with a maximum allowable dosage of 200PPM. The national hygiene standard number is GB276090.4007.The safety of TBHQ has been comprehensively reported, and its acute toxicity belongs to low toxicity level.
Contact Now
The US Food and Drug Administration (FDA) allows TBHQ to be used alone or in combination (with BHA or BHT) for oil or fatty foods, including volatile essential oils, with a maximum allowable dosage of 200PPM. It can also be used in non-alcoholic beverages, margarine, and mixed nuts.TBHQ, also known as tert butyl hydroquinone, is a phenolic oil soluble antioxidant. TBHQ has high efficiency and stability, which can extend the shelf life of foods rich in oil and improve food safety.
Contact Now
Fully dissolve and evenly disperse TBHQ in oil, otherwise it will affect the antioxidant effect.Some organic acids and their derivatives can enhance the activity of TBHQ. It is better to mix it with 0010.02% citric acid.Oil antioxidants are a type of substance that can prevent or delay the deterioration of oils or fatty foods, extend their shelf life, and tert butyl hydroquinone (TBHQ) is a high-quality edible oil antioxidant.It is the most effective antioxidant for most oils, especially vegetable oils.
Contact Now
Possible reaction pathways of 2,5-di-tert-butyl-hydroquinone (2,5-DTBHQ).Valgimigli et al. proposed a mechanism wherein semiquinone (2) reacts with molecular oxygen to produce 2,5-di-tert-butyl-1,4-benzoquinone (2,5-DTBBQ) and hydroperoxyl radical (HOO∙). The semiquinone (2) terminates a second propagation chain via either hydrogen abstraction (Reaction II) or addition reaction (Reaction IV) and these reaction pathways play a very critical role in the inhibition process.
Contact Now
Product ParametersMolecular formula: C10H14O2Molecular weight: 166.22CAS No.: 1948-33-0Antioxidants are substances that prevent or delay oxidation of food, improve the stability of food and extend the storage period.Food antioxidants can be divided into oil-soluble antioxidants and water-soluble antioxidants according to their solubility properties.
Contact Now
1.Product ParametersTert-butylhydroquinone (TBHQ), also known as tert-butylhydroquinone, white crystalline powder with a point of 126.5-128.5 ℃ point of 300 ℃ CAS No.: 1948-33-0, easily soluble in alcohols and waking up to the majority of fats and oils, especially vegetable oils antioxidant function of the most effective. Tertiary butylhydroquinone (t butylhydroquinone), referred to as TBHQ molecular formula for CH1402, molecular weight of 166.22.2.Academic research and developmentLtd.
Contact Now
TBHQ or PG is also added to the baked oil to improve its stability before and during baking.Based on the actual production needs of pastries and the industry's call, our company applies to expand the scope of use of the food additive tert butylhydroquinone (TBHQ), with an application to expand the scope of use to "07.02 pastries".Therefore, appropriate selection of antioxidants can inhibit the rancidity of oily food production and prolong the storage life of the product. Shelf life is considered an effective way to prevent the product from deteriorating due to oxidation.
Contact Now
More than 20 countries have approved the use of TBHQ as a food antioxidant, including China, the United States, Australia, Brazil, etc. The US Food and Drug Administration (FDA) allows TBHQ to be used alone or in combination (with BHA or BHT) for oil or fatty foods, including volatile essential oils, with a maximum allowable dosage of 200PPM. It can also be used in non-alcoholic beverages, margarine, and mixed nuts.China allows TBHQ to be used as a food additive, with a maximum dosage of 0.2g/Kg.
Contact Now
There are two types of antioxidants, one is chemical synthesized and the other is natural antioxidants. Chemical synthesis, such as BHT, BHQ, TBHQ, ethoxyquinoline, PE, etc., these are considered to be called chemical synthesis of antioxidants, these antioxidants have been banned in Europe, that in China and the United States, is the amount of additive per kilogram can not be greater than 0.2, these chemical synthesis of antioxidants, it is true that there is now some controversy, but the antioxidant effect is relatively good.
Contact Now
Introduction of nature:TBHQ is sort of insoluble in water (approximately five‰), soluble in ethanol, acetic acid, ethanol, isopropyl alcohol, ether and vegetable oil, lard, and so forth. Nearly insoluble in water (25℃, <1%). Boiling factor 295℃, melting factor 126 -128.5℃. It has the effect of stopping the failure of most fats and oils, specially vegetable oils. It does no longer trade color in touch with iron and copper, but can turn red if alkali is present.
Contact Now
It plays an irreplaceable role in the production process of pastry food and is also an important source of energy for consumers. However, the oxidation and rancidity of fats and oils, as well as the production of unpleasant flavors, are a problem that troubles many pastry food producers. They not only cause changes in the appearance, taste, and odor of pastry food, but also affect the length of its shelf life. Adding food antioxidants is the most convenient, feasible, and effective method.Pastry is generally made from grains, oil, sugar, and/or sweeteners, eggs, milk, etc.
Contact Now
With the development of the food industry, the forms of pastry food have become diverse. The various oils and fats used in pastry are essential ingredients. Oil, with its good crispness and unique flavor, has become one of the three major ingredients in baked goods. It plays an irreplaceable role in the production process of pastry food and is also an important source of energy for consumers. However, the oxidation and rancidity of fats and oils, as well as the production of unpleasant flavors, are a problem that troubles many pastry food producers.
Contact Now
1.Product ParametersMolecular formula: C10H14O2Molecular weight: 166.22CAS No.: 1948-33-0The oil in oily food undergoes oxidation in the air, producing free radicals and peroxides, which are early indicators of food rancidity. Peroxides further decompose to form small organic compounds such as aldehydes, ketones, and acids, which directly affect the taste and flavor of the product and cause great harm to human health.
Contact Now
