Dyestuffs for Leather
Dyestuffs for Textiles
Acid Dyestuffs
Direct Dyestuffs
Reactive Dyestuffs
Pigments
Intermediates
Chemicals
OUR PRODUCTS
 D.A.S.A
Name of Product        : D.A.S.A
Trade Name : D.A.S.A
Chemical Name  : 4:4 Diamino Sulphanilide, 4:4 Di - Amino Diphenyle Sulpho-Amide
Formula  : C12H13N3O7S
Structural Formula  
:
 H2N    SO2NH    NH2
CAS Number  : 16803-97-7
Molecular Weight   : 263
Physical Appearance : Light Brown coloured dry material 
Purity, By Nitrite Value : 95.00% Minimum (M.W.: 263)
Insolubles  : 0.2% Maximum
Purity, By HPLC   : 96.00% Minimum
Form Supplied : Dry Material.  
Sales Basis : On 100% Basis Mol Wt. 263
Packing : 50 Kgs H.D.PE. Woven bags with L.D.P.E liner inside
Uses        : Intermediate for Dyestuff manufacturing especially for Dye-stuffs especially
  for leather dyes like Acid Black 210 Acid Black 234.
Home About Us Products Services Worldwide Enquiry / Contact Us
Design By : Shah Net
Copyright @ 2013 Exel Chemicals All Rights Reserved.