Our Products List

  1. 3,3 DICHLORO BENZIDINE DIHYDROCHLORIDE
  2. O T BASE [ORTHO TOLUDINE BASE]
  3. 'C' ACID  [ 2 CHLORO 5 TOLUDINE 4 SULPHONIC ACID]
  4. 4 B ACID
  5. FAST BLUE B BASE
  6. FAST RED B BASE
  7. PERA CRASIDINE
  8. TCB [ TETRA CHLORO BENZIDINE]
  9. P.T. [ PARA TOLUDINE]
  10. 4 NITRO 2 AMINO PHENOL
  11. 5 NITRO 2 AMINO PHENOL
  12. H ACID
  13. BENZOYL H ACID
  14. M.N.P.T.
  15. DICHLON

 
3.3' DCB & O.T. BASE SPECIFICATION
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3.3' DCB SPECIFICATION
   
Chemical Identity 3,3 Dichlorobenzidine Dihydrochloride
Empirical Formula C12 H12 Cl4 N 2
Appearance Off white moist powder
Structural Formula:
Molecular Weight 326 as Hydrochloride / 253 as Base
Purity as free amine by NV 91% Minimum as Hydrochloride /
71% Minimum as Base
Purity by HPLC 99% Minimum
Dry Purity as free amine by
N V (M.W. 326)
 98% Minimum
Tetrazo Insoluble 0.2% Maximum
Tetrazo Colour Light Orangeist Yellow
Insoluble in dilute Hcl solution Maximum 0.1%
Percent Moisture 8.5% Maximum
Acidity PH 2 to 3
ORTHO TOLUDINE BASE SPECIFICATION
Chemical Identity 3,3' DI METHYL, 4,4' DI AMINO DI PHENYL
C.I. No. 37230
Appearance Off white moist powder
Structural Formula
Purity by N V 60 % Minimum
Molecular Weight 212
Solubility Water Insoluble, Soluble In Dilute Hcl Solution
Tetrazo Colour Lemon Yellow
 
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