English
العربية
Português
Русский
Indonesian
Vietnamese
Industrial antioxidant 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.
今コンタクトしてください
White to light gray crystal or crystalline powder, with unique odor, melting point 126.5~128.5℃, boiling 300℃, slightly soluble in water (25℃, <1%), easily soluble in ethanol (120%), acetone (190%), ethyl acetate (100%), insoluble in toluene, and soluble in animal and vegetable oils. MTBHQ is specially used as polymer inhibitor, heat and mild stabilizer and industrial antioxidant.
今コンタクトしてください
White to light gray crystal or crystalline powder, with special odor, melting point 126.5~128.5℃, boiling point 300℃, slightly soluble in water (25℃, <1%), easily soluble in ethanol (120%), acetone (190%), ethyl acetate (100%), insoluble in toluene, and soluble in animal and vegetable oils. MTBHQ is mainly used as polymer inhibitor, heat and light stabilizer and industrial antioxidant.
今コンタクトしてください
White or off-white crystalline powder; slight odor, non-toxic; main component content ≥98.5%; relative density 1.09; melting point 212-218℃; solubility (g/100g solvent, 25℃): ethanol 35.1, acetone 39.0, ethyl acetate 48.8, benzene 1.5, insoluble in gasoline, insoluble in water; colorless, non-polluting, easy to disperse, etc. Characteristicsf DTBHQ:Chemical name: 2,5-Di-tert-butylhydroquinone (2,5-di-tert-butylhydroquinone), abbreviation: DTBHQEnglish name: 2,5-Di-tert-butylhydroquinone (DTBHQ)Molecular formula: C14H22O2Molecular weight: 222.33Classification belongs to: Polyphenols CAS: 8
今コンタクトしてください
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.
今コンタクトしてください
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.
今コンタクトしてください
1.Product ParametersMolecular formula: C10H14O2Molecular weight: 166.22CAS No.: 1948-33-02-Tertiary butyl dihydroquinone, 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.
今コンタクトしてください
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.
今コンタクトしてください
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.
今コンタクトしてください
Physical and chemical properties:Density: 1.328g/cm3Melting point: 172-175℃Boiling point: 286℃Flash factor: 141.6Refractive index: 1.612Vital temperature: 549.9℃Crucial stress: 7.45mpaIgnition temperature: 516℃Explosion limit (v/v): 15.3%Lower explosion restrict (v/v): 1.6 %Property: White needle crystal, discolored through light, with special odor.Solubility: Soluble in hot water, soluble in bloodless water, ethanol and ether, slightly soluble in benzene. Packaging, storage, transportation:1: 25kg (internet weight) kraft paper laminated bag, coated with double polyethylene plastic bag.2:
今コンタクトしてください
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
今コンタクトしてください
Introduction of nature:TBHQ is almost insoluble in water (about 5‰), soluble in ethanol, acetic acid, ethanol, isopropyl alcohol, ether and vegetable oil, lard, etc., almost insoluble in water (25℃, <1%). Boiling point 295℃, melting point 126 -128.5℃. It has the effect of preventing the failure of most fats and oils, especially vegetable oils. It does not change color in contact with iron and copper, but can turn pink if alkali is present.
今コンタクトしてください
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.
今コンタクトしてください
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.
今コンタクトしてください
The seed method first completely dissolves TBHQ in a small amount of oil or 95% alcohol solution, and prepares 5-10% TBHQ oil or alcohol solution. Then, directly or with a measuring device, it is added to the fat or oil and stirred evenly.The pumping method injects the TBHQ concentrated solution prepared by the seed method into a pipeline with a fixed flow rate and flow rate of fat or oil that needs to be stable at a specified proportion through a stainless steel quantitative pump.
今コンタクトしてください
In view of the advantages of TBHQ and BHT, in recent years, BHT and TBHQ have become widely used antioxidants in fats and oil-rich foods . It should be pointed out that TBHQ and BHT have small molecular weights, are volatile and easy to sublimate, and under heating conditions, both volatilization and depletion are relatively fast, and the antioxidant performance will be generated through a series of complex redox reactions to produce the corresponding transformation products.
今コンタクトしてください
At present, the most commonly used antioxidants for oils and their products are BHA, BHT, PG, TBHQ, and tocopherols. As for vegetable oils, their antioxidant capacity is in the order of TBHQ>PG>BHT>BHA. As for animal fats, the order of their antioxidant capacity is TBHQ>PG>BHA>BHT. For anhydrous milk fat, their antioxidant capacity is in the order of PG>TBHQ>BHA>tocopherols.
今コンタクトしてください
If you want to prolong the preservation time of animal fats and oils, you can't do without the animal fat antioxidant TBHQ.Let me introduce you to it!Product ParametersMolecular formula: C10H14O2Molecular weight: 166.22CAS No.: 1948-33-0 2.Product CharacteristicsAnimal fat antioxidant TBHQ can be applied to high-temperature processed foods, such as fried foods, with good heat stability.TBHQ antioxidant for animal fats and oils has fat solubility and can be dissolved in animal and vegetable fats and oils, which makes it easy to add and use, thus improving the warranty time of fats and
今コンタクトしてください
The pumping method injects the TBHQ concentrated solution prepared by the seed method into a pipeline with a fixed flow rate and flow rate of fat or oil that needs to be stable at a specified proportion through a stainless steel quantitative pump.
今コンタクトしてください
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.
今コンタクトしてください
Animal fats undergo a series of reactions such as the aggregation of fats, the production and transmission of free radicals, and so on at high temperatures. At the same time, animal fats lack natural antioxidants, so it is necessary to add effective antioxidants to maintain an appropriate shelf life. Chen Yongquan et al. measured the changes in peroxide value of samples added with different antioxidants in lard while studying the antioxidant properties of TBHQ.
今コンタクトしてください
Vegetable oils and fats antioxidant TBHQ is a highly efficient, low-toxicity antioxidant phenolic antioxidant with excellent antioxidant effect, and the existing food antioxidant BHA, BHT, PG, etc.
今コンタクトしてください
Using isobutylene as an alkylation reagent requires a reaction under closed conditions, which can also be catalyzed by strong acids. In a mixed solvent of xylene and ketone, 85% phosphoric acid is used as a catalyst [8], and isobutylene is added to synthesize tert butylhydroquinone. The selectivity of the single tert butylation reaction can reach over 90%. Cationic resin [9] can also serve as a catalyst for this reaction, but the effect is not very ideal.
今コンタクトしてください
1.Product CharacteristicsTertiary butylhydroquinone(TBHQ), white or slightly reddish brown crystalline powder, has a very light special fragrance, almost insoluble in water (about 5 per cent), soluble in ethanol, ethyl acetate, ether and other organic solvents.Tertiary butylhydroquinone has synergistic properties and can be used synergistically with other antioxidants (e.g. BHA, B HT) as well as chelating agents (e.g.
今コンタクトしてください
