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New Products

  • 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...

How to use Acid Black 24

To use Acid Black 24 effectively, it is important to follow proper procedures and guidelines. Here is a general guide on how to use Acid Black 24 for dyeing textiles:

  1. Preparing the dye bath:

    • Calculate the required amount of Acid Black 24 dye based on the weight of the textile material and the desired shade. Follow the recommendations provided by the dye manufacturer or supplier.
    • Dissolve the calculated amount of Acid Black 24 dye in warm water. Stir gently to ensure complete dissolution.
    • Adjust the pH of the dye bath if necessary. Acid Black 24 is an acid dye, so the pH should typically be slightly acidic (pH 4.5 to 5.5). Use a pH indicator or pH adjusting chemicals to achieve the desired pH level.
  2. Preparing the textile material:

    • Ensure that the textile material is clean and free from any impurities or finishes that may interfere with the dyeing process. Pre-wash the fabric if necessary.
    • If the fabric is made of natural fibers like cotton or silk, scouring or pre-treatment processes may be recommended to improve dye penetration and color fastness. Follow the specific pre-treatment instructions provided for the desired fiber type.
  3. Dyeing the textile material:

    • Immerse the prepared fabric into the dye bath, ensuring that it is fully submerged and has enough space to move around for even dye distribution.
    • Heat the dye bath according to the recommended temperature for the specific dye and fiber type. Acid Black 24 is typically used at elevated temperatures ranging from 60°C to 100°C (140°F to 212°F).
    • Agitate or stir the dye bath periodically to promote dye diffusion and even dyeing. The dyeing time will vary depending on factors such as the desired color intensity and depth, fiber type, and temperature. Follow the recommended dyeing time provided for Acid Black 24.
    • Monitor the dye bath pH during the dyeing process and make adjustments if needed to maintain the desired acidity level.
  4. After dyeing:

    • Once the desired shade is achieved, remove the fabric from the dye bath and rinse it thoroughly with water to remove any excess dye.
    • Depending on the specific requirements, additional steps such as washing, rinsing with a fixative solution, or post-treatment with chemicals or finishing agents may be necessary. Follow the recommended post-treatment procedures provided by the dye manufacturer or supplier.
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