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Guangzhou Sevich Biology Technology Co., Ltd.

H Acid, 4-Amino-5-Hydroxy-2 7-Naphthalenedisulfonic Acid, CAS: 90-20-0 manufacturer / supplier in China, offering H Acid (4-Amino-5-hydroxy-2, 7-naphthalenedisulfonic acid) CAS: 90-20-0, 28g OEM Hot Sale Anti Hair Loss Product Hair Building Fibers, Toppik Factory Price Keratin Thicker Hair Fiber Powder Building and so on.

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Supplier Homepage Product Chemicals H Acid (4-Amino-5-hydroxy-2, 7-naphthalenedisulfonic acid) CAS: 90-20-0

H Acid (4-Amino-5-hydroxy-2, 7-naphthalenedisulfonic acid) CAS: 90-20-0

FOB Price: US $2-5 / kg
Min. Order: 1,000 kg
Min. Order FOB Price
1,000 kg US $2-5/ kg
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Port: Tianjin, China
Production Capacity: 2000 Tons Per Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: 85.0% min
  • Appearance: Powder
  • Colour: White
  • Transport Package: 25kgs Bag
  • Origin: China
  • Type: Dyestuff Intermediates
  • Quality: Industrial
  • Trademark: Hitechs
  • Specification: 85.0% min
Product Description
H Acid
4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid
1-Amino-8-Hydroxynaphthalene-3,6-Disulphonic Acid
 
Molecular formula: C10H9NO7S2
Molecular weight: 319.31
CAS: 90-20-0
EINECS: 201-975-7
Appearance: white powder
Specification:
H-acid mono sodium salt (total amino value): 85.0% min
H-acid mono sodium salt (HPLC): 97.0% min
Chromotropic acid disodium salt:1.5%
T-acid disodium salt: 0.5%
ω-acid disodium salt: 0.5%
Moisture: 5.0%
Insoluble: 0.2%
Properties: slightly dissolves in water, can dissolve in the sodium carbonate solution.Dilute the H-acid monosodium salt will present blue and red fluorescent light.Reacts with the nitrous acid will turn into the yellow crystalline diazo compound.Reacts with the ferric chloride presents reddish brown;it is red and purple when dissolves in the sodium carbonate solution;dark green in saline solution,apt to dissolves in hot water.
Application: Mainly used in the producting acid,direct and reactive dye,also applied in medicine.
Packing: 25 kg bag
 
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