Shandong, China
Business Type:
Manufacturer/Factory, Trading Company
Export Year:
Main Markets:
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, ...
Terms of Payment:
LC, T/T, D/P, PayPal, Western Union, Money Gram
OEM/ODM Service
Sample Available
U.S. Warehouse
Korean Speaker

Acid Black 2, Nigrosine, Nigrosin Water Soluble manufacturer / supplier in China, offering Acid Black 2, Feed Additives Folic Acid CAS No. 59-30-3, High-Tower Compound NPK Fertilizer 15-15-15 and so on.

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Acid Black 2

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Min. Order: 1 Ton
Production Capacity: 5000mt/Month
Transport Package: Drum/Bags
Payment Terms: L/C, T/T
Colour: Black
Appearance: Prilled, Powder
Usage: Wool, Leather, Wood Products, Paper etc, Electrical Insulating Varnish
Form: Prilled; Powder
Strength: 100%
Place of Orign: China

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Basic Info

Model NO.: acid black 2
Method: Water
Main Raw Material: Alcohol Soluble Aniline Black
Level: Finish Coat
Certification: ISO9001
Trademark: SALUS
Specification: SGS
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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