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2) 4-4 Di-Nitro Stilbin 2-2 Disulphonic Acid (D.N.S.D.A.)

CAS NO.                 : 128 - 42 - 7

Molecular Formula : C14H8O10N2S2Na2
Molecular Weight : 474 as Sodium Salt
Insoluble : 0.3% (Max)
Physical Appearance : Brilliant Pale Yellow Crystal
Purity by N.V : 70% (Min)
Purity by HPLC : 99% (Min)
Dibenzyl Stilbin : 1% (Max)
Cholride as NACL : NIL
Application : Intermediate in Direct Dyes
Packing : 50 kgs HDPE bag with
    separate liner inside
Storage : Inflammable in nature hence
  should be kept away from
  excess heat and fireplace.
Acute & Chronic : The Product does not appear
  to cause any hazard by
  inhalation of dust
Handling Instruction : Rubber or Plastic gloves, apron
  and boots should we worn
  together with glasses giving
  total eye protection
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Para Nitro Toluene Ortho Sulphonic Acid (P.N.T.O.S.A.) | 4-4 Di-Nitro Stilbin 2-2 Disulphonic Acid (D.N.S.D.A.) |
4-4 Di-Amino Stilbin 2-2 Disulphonic Acid (D.A.S.D.A.) | 4-Nitro, 4-Amino Stilbin, 2-2 Disulphonic Acid (N.A.S.D.A.) |
3 Amino Benzene Sulphonic Acid (Metanilic Acid)

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