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Chinachemnet   |      |   H Acid Manufacturers, China H Acid Suppliers, China H Acid Exporters
  • Region :Intermediates/Dyestuff intermediates
  • Tel : +86-22-87895812
  • Fax : +86-22-87895815
  • Email :hitechs_tj@aliyun.com
  • URL :www.hitechs.com.cn

Details for China H Acid

H Acid 90-20-0

Category :

Intermediates/Dyestuff intermediates

 H Acid
CAS NO :
EC NO : 201-975-7
MF : C10H9NO7S2
MW : 319.31
Specification : 85.0% min
Packing : 25 kgs bag
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
Uses : Mainly used in the producting acid,direct and reactive dye,also applied in medicine.
Synonyms : C.I. 35570;1-Naphthol-8-amino-3,6-disulfonic acid;H-Acid;H Acid;1-Amino-8-Hydroxynaphthalene-3,6-Disulphonic Acid;
Molecular Structure :
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