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
'C' ACID [ 2 CHLORO 5 TOLUDINE 4 SULPHONIC ACID]
 
Chemical Name 2- Choloro 5-Toludine 4-Sulphonic Acid
Chemical Formula C7H8 CINSO3
CAS No. 88-53-9
Appearance White/Light pink Powder
Structural Formula:
Molecular Weight 221.5
Total Amino Value 98-99%
Sand Content 1 % max
Fe Content 30 ppm max
Solution in NaOH

Slightly Yellowish Transparent or nearly Transparent
   
   
   
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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