Alhydrogel CAS# 21645-51-2

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• Chemical Name:  Alhydrogel
• CAS No.:     21645-51-2
• Molecular Fomula: ：AlH3O3
• Molecular weight：78
• Appearance: White solid
• Sample：Available

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Description of alcoac30bf

• Aluminium hydroxide, Al(OH)3, is found in nature as the mineral gibbsite (also known as hydrargillite) and its three much rarer polymorphs: bayerite, doyleite and nordstrandite. Closely related are aluminium oxide hydroxide, AlO(OH), and aluminium oxide (or alumina), Al2O3. These compounds together are the major components of the aluminium ore bauxite.

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Basic Info

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Properties

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What is Alhydrogel?

• 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 Alhydrogel   which has developed particularly rapidly in recent years. Do you know about Alhydrogel?
• The official answer：White crystalline powder. Insoluble in water and alcohol, soluble in inorganic acid and sodium hydroxide solution. Aluminum hydroxide, chemical formula Al(OH)3, white solid, insoluble in water, soluble in acid or alkali, is a typical amphoteric hydroxide. It is heated and dehydrated in the air and can be converted into alumina, which is of great importance for alumina production. Aluminum hydroxide can react with both acid to produce salt and water and a strong base to produce salt and water, so it is an amphoteric hydroxide. Since it shows a certain acidity, it can also be called aluminum acid (H3AlO3). However, the actual reaction with alkali produces tetrahydroxyaluminate ([Al(OH)4]-). Therefore, it is usually regarded as monohydrated meta-aluminic acid (HAlO2-H2O), which is divided into industrial grade and pharmaceutical grade according to its usage.

What’s the application of Alhydrogel?

• Chemical raw materials because aluminum hydroxide can be mass-produced, sufficient raw materials, high product purity, and easily soluble in acid and alkali. Therefore, aluminum hydroxide is an important raw material for the preparation of aluminum salts, such as barium aluminate, aluminum sulfate, etc. 2. flame retardant aluminum hydroxide powder is usually regarded as an ideal flame retardant filler for plastics, unsaturated polyester, rubber, and other organic polymers because of its function of filling, flame retardant, smoke elimination, and non-toxic and harmless. The flame retardant mechanism of aluminum hydroxide: When the temperature exceeds 200℃, aluminum hydroxide starts to absorb heat and decompose and release three crystalline glasses of water, and its decomposition rate is maximum at about 250℃. That is: this reaction is a strong heat absorption reaction, to inhibit the increase of polymer temperature, reduce its decomposition rate, and only produce water vapor, will not generate toxic and harmful gases. 3. ceramics aluminum hydroxide after high temperature roasting to get alumina, and alumina has high thermochemical stability, thermal strength, creep resistance, dielectric properties, and low coefficient of thermal expansion, is an important material for the synthesis of ceramics. In the process of ceramic synthesis, alumina activates and controls the crystallization process to achieve control over the phase formation of composite materials.4. Wastewater treatmentAlumina is dominated by Al(OH)4- in water, which can precipitate toxic heavy metals in wastewater by co-precipitation method and then filtered to achieve the effect of water purification. Aluminum hydroxide also has a high specific surface area, which can adsorb colloids, suspended solids, dyes, organic matter, etc. in the sewage on the surface. 5. Medicine aluminum hydroxide can neutralize stomach acid, and non-toxic and harmless, is the traditional medicine for stomach diseases. The mechanism of action is to adsorb the antigen on the surface of aluminum hydroxide and let it release slowly to achieve the effect of prolonging the efficacy of the drug. 6. catalyst carrier Because aluminum hydroxide in the preparation process, through the control of reactant temperature, concentration, pH, and other conditions to prepare the different specific surface area, pore-volume, pore structure, and crystal structure of the target product can be effectively used as 7. Paper industry aluminum hydroxide has high whiteness, ultra-fine particle size, complete crystalline shape, and strong compatibility with whitening agents. As an additive of coating and resin, it can effectively improve the whiteness, opacity, smoothness, and inking of coated paper.

Conclusion

Sincere to the customer and in good faith of quality is our forever followed motto. It’s the basement to be a human and do business. We take all responsibility for our products and service sincerely. We are a company integrating R&D, production, and sales. The design, research, and development of pharmaceutical intermediates including more than 330 kinds of pharmaceutical intermediates such as Anti-infectives, Cardiovascular and Cerebrovascular Systems, Digestive System, Santi-tumor, Nervous System, Geriatric Drugs, and Gynecological Drugs. At the same time, we have more than 4,000 factories in strategic cooperation with nearly 50,000 chemical products, so we can provide you with a one-stop purchasing service, which greatly saves customers’ procurement costs and time.

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