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Qingdao Salus International Trade Co., Ltd.

Acid Black 2, Nigrosine, Nigrosin Water Soluble manufacturer / supplier in China, offering Acid Black 2, Fertilizer Urea Granular with Good Quality, High Quality for Magnesium Sulphate and so on.

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Acid Black 2

FOB Price: Get Latest Price
Min. Order: 1 Ton
Production Capacity: 5000mt/Month
Transport Package: Drum/Bags
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: acid black 2
  • Appearance: Prilled, Powder
  • Form: Prilled; Powder
  • Place of Orign: China
  • Main Raw Material: Alcohol Soluble Aniline Black
  • Certification: ISO9001
  • Specification: SGS
  • Colour: Black
  • Usage: Wool, Leather, Wood Products, Paper etc, Electrical Insulating Varnish
  • Strength: 100%
  • Method: Water
  • Level: Finish Coat
  • Trademark: SALUS
  • Origin: China
Product Description
1. Chinese name: Acid black 2

2. Chinese alias: Water-soluble aniline black; Acidic particles yuan qing

3. English name: Acid black 2

4. English nickname: Ci Acid Black 2; Nigrosine; C. I. 50420; [1] Nigrosin water soluble; Nigrosin cell culture *; Nigrosin Acid black; Acid Black 5 (50420); Nigrosin

5. CAS: 8005-03-6

6. Edit this section of the physical and chemical properties of solubility: SOLUBLE

7. Use
Acidic particles yuan is mainly used for dyeing wool, silk, also used in leather dyeing (usually by chrome mordant), as well as paper, wood products, soap, electrochemical aluminum coloring and manufacture ink.
Mainly used for the dyeing of leather, silk and wool, can also be made into lake used to color paper and printing
8. Production methods
Using alcohol soluble aniline black as raw materials, with concentrated sulfuric acid sulfonation, points to the waste acid, water washing, with sodium hydroxide and a quick result. By filtering, drying in finished products.
Alcohol soluble aniline black (50415) ci method: Aniline and nitrobenzene, aniline hydrochloride with iron or copper in Degrees Celsius 180-200 heating for a quick result. After pickling, washing, filtering, drying to finished products. Or will the nitro phenol or nitro methyl phenol, aniline, aniline hydrochloride with a small amount of iron in Degrees Celsius 180-180heating for a quick result. After pickling, washing, filtering, drying to finished products.
 Test Item quality index
 appreance granular
 strenghth% 100
 color shade tiny
 Water insolubles 1max
 water content 1max
 ash 12max
 fineness -------
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