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  • paracetamol

    paracetamol

    Name: paracetamol CAS No.: 103-90-2 Appearance: Colorless crystalline powder Molecular formula: C8H9NO2 Molecular Weight: 151.163 Melting point:168°C-172℃  PACKAGE:25KGS/BAG

  • Vitamin B1

    Vitamin B1 Thiamine Hydrochloride

    Name:Vitamin B1, Thiamine hydrochloride, Vitamin HCL Appearance: white or faintly yellow, crystalline powder CAS No.:50-81-7 Standard:BP2018/EP9.2 Molecular formula: C12H17ClN4OS·HCl

  • 25kg/drum paracetamol Raw Material

    Paracetamol Raw Material Wholesale CAS 103-90-2

    Name: Paracetamol CAS No.: 103-90-2 Appearance: White crystal powder Molecular formula: C8H9NO2 Molecular Weight: 151.1649 Density: 1.293 g/cm3 Melting point: 168-172℃ Water solubility: 14 g/L (20℃) Water solubility: 14 g/L (20 ºC)

  • Vitamin C

    Vitamin C, L-Ascorbic acid CAS 50-81-7

    Name: Vitamin C, L-Ascorbic acid Specfication: 35% feed grade CAS No.: 50-81-7 Molecular formula: C6H8O6 Appearance: A almost white or light yellow powder Usage: Animal Feed Additive

  • Sodium Benzoate Columnar

    Sodium Benzoate Columnar

    Name: Sodium Benzoate           CAS No.: 532-32-1 EINECS No:208-534-8 Appearance:White granules or crystalline powder Molecular formula: C7H5NaO2 Molecular Weight: 144.1032 Density: 1.44 g/cm³ Melting point: 300℃ Boiling point: 249.3°C at 760 mmHg Flash point: 111.4°C Water solubility: soluble Vapor Pressure: 0.0122mmHg at 25°C

  • Sodium Benzoate Ball/Granular

    Sodium Benzoate Ball/Granular CAS NO.:532-32-1 Wholesale Preservatives Origin From China.

    Anhui Sinotech company strictly select GMP products, support customer registration , and provide professional services to chemical customers in the global market.Purchase Sodium Benzoate Ball/Granular CAS NO.:532-32-1,inquiry Anhui Sinotech .   Name:  Sodium Benzoate Ball/Granular CAS No.:  532-32-1 Molecular formula: C7H5NaO2 Molecular Weight:  144.1032 Melting point: >300°C Boiling point: 249.3°C at 760 mmHg Density:1,44 g/cm3 Molecular structure: Description: Sodium benzoate balls/granules CAS NO.: 532-32-1, is an organic substance. It is white particles. Odorless or slightly benzoin smell. It has a slightly sweet and astringent taste. It is stable in the air, easily soluble in water, and soluble in ethanol, glycerol and methanol. After entering the body, sodium benzoate undergoes a biotransformation process and is excreted with urine without accumulating in the body. As long as it is within the normal dosage range, it is harmless to t...

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Welcome to 135th China Import and Export Fair

Welcome to 135th China Import and Export Fair

Welcome to 135th China Import and Export Fair   Dear Sir or Madam, The 135th Canton Fair is scheduled to open on April 15, featuring continuous optimization of exhibition structure, various premi...

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  • 2-Hydroxypropyl methacrylate

    2-Hydroxypropyl methacrylate

    nature Hydroxypropyl methacrylate (HPMA) is a commonly used polymer material. 1. Appearance: The appearance of hydroxypropyl methacrylate is a colorless transparent liquid 2. Solubility: Soluble in water and also in most organic solvents, such as alcohols, ethers, esters, and aromatics. 4. Density: The density of hydroxypropyl methacrylate is 1.11-1.18 g/cm3. 6. Chemical stability: It has good chemical stability, is not easy to decompose, and will not react with most chemical substances. 7. Thermal stability: Hydroxypropyl methacrylate has good thermal stability, and its thermal stability is relatively high at high temperatures. 8. Oxidation stability: It has a certain resistance to oxidation and is not prone to oxidation and deterioration. Preparation 1. Add initiators such as hydroxypropyl methacrylate (HPMA) and hydrogen peroxide to the reactor, as well as an appropriate amount of solvents (such as methanol, ethanol, etc.). 2. Seal and shake the reaction kettle or heat it to react, causing the initiator to crack at an appropriate temperature, resulting in free radical polymerization of HPMA. After the reaction is completed, precipitate or precipitate the product with acidic water or organic solvents. 4. Filter and collect the product, wash and dry to obtain the pure product. The above is a simple preparation process for hydroxypropyl methacrylate, and the specific operating parameters and process flow may vary depending on different preparation methods and requirements. application 1. Paint and ink industry: it can be added to paint and ink as lotion and diluent to improve its viscosity, rheology and adhesion. 2. Cosmetics: Can be used in cosmetic products, such as hair gel, curling agents, sunscreen, etc., to thicken, moisturize, and prevent sun damage. 3. Daily necessities: It can be added as a thickener to daily necessities, such as detergents, facial cleansers, toothpaste, etc. 4. Pharmaceutical field: It can be used in drug sustained-release systems, such as artificial joint lubricants or eye drops for injection. In the future, with the continuous development of technology, the application prospects of hydroxypropyl methacrylate will become increasingly broad. For example, in the fields of biomedicine and drug delivery, cell delivery, and the preparation of nanomaterials, polymer materials such as hydroxypropyl methacrylate are also useful

    Tags : 2-Hydroxypropyl methacrylate 2-HPMA

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