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   ChemNet > CAS > 119-28-8 1-Naphthylamine-7-Sulfonic Acid

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119-28-8 1-Naphthylamine-7-Sulfonic Acid

product Name 1-Naphthylamine-7-Sulfonic Acid
CAS No 119-28-8
Synonyms C.I. 26135; 1,7-Cleve's acid; Cleves acid 1,7; 8-Amino-2-naphtalenesulfonic acid; Cleves acid; 8-Aminonaphthalene-2-sulfonic acid; 1,7-Cleves Acid; 1,7-Cleve's Acid/1-Naphthylamine-7-Sulfonic Acid; 1,7-Cleve's Acid
Molecular Formula C10H9NO3S
Molecular Weight 223.2484
InChI InChI=1/C10H9NO3S/c11-10-3-1-2-7-4-5-8(6-9(7)10)15(12,13)14/h1-6H,11H2,(H,12,13,14)
EINECS 204-311-4
Molecular Structure 119-28-8 1-Naphthylamine-7-Sulfonic Acid
Density 1.502g/cm3
Melting point >300℃
Refractive index 1.713
Hazard Symbols  C:Corrosive;
Risk Codes R34:;
Safety Description S26:;
S36/37/39:;
S45:;
MSDS Material Safety Data Sheet

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Specifications 99% min
Packing 25kg 50kg drum or bag
Description What is the chemical of 1-Naphthylamine-7-Sulfonic Acid ? Appearance: Light gray crystalline or powder£» Assay:99%min by HPLC£» IR Identity: conform to standard£» HNMR£º conform to standard£» carbon spectrum: conform to standard£» Water by K. F.:0.5% max or as per the customer¡¯s request£» Loss on drying:0.5% max. or as per the customer¡¯s request£» ======================================================================== Naphthylamine-7-sulfonic acid is mainly used as a dye intermediate for synthesizing various direct dyes, including: Direct Fast Blue B2R, BGL Direct Fast Red Brown RTL; Sulfur Blue CV Gray LBN, Brown RTL, Direct Black FF, Sulfur Salt CD, etc. 1-Naphthylamine-7-sulfonic acid is not used as a medicine, food, or household product; it is limited to industrial production and research and development use only. ============================================================================= Synthesis Route The industrial synthesis route typically starts with naphthalene, und...
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