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H. ACID
1.
 PRODUCT
:
 H. ACID
2.
 CHEMICAL NAME
:
 1-Amino 8-Naphtol 3, 6-Disulfonic Acid
8-Amino 1-Naphtol 3, 6-Disulfonic Acid
4-Amino 5-Naphtol 2, 7-Disulfonic Acid
3.
 CAS NO
:
5460-0-3
4.
 STRUCTURE
:
5
 MOLECULAR FORMULA
:
 C10H9NO7S2
6.
 APPEARANCE
:
 Greyish White Dry Powder

7.

 MOL. WT
:
 319
8.
 ASSAY BY DIAZOTISATION VALUE
:
 80±2% Min. (On Mol. Wt. 319) +2%
9.
 DIFFERENCE IN ASSAY BY DIAZOTISATION VALUE & COUPLING VALUE
:
 1.0% Max.
10. MATTER INSOLUBLE IN DILUTE ALKALI : 0.2%
11.
 SOLUBILITY
:
 Soluble in Diulte Alkali with intense Blue Fluorescence
12. CHROMOTROPIC ACID, KOCH ACID, OMEGA ACID : 1.0% Max
0.3% Max
0.3% Max
13.
 USE
:
 Dye inermediate
14.
 SALE BASIS
:
 On 100% Basis
15.
 PACKING
:
 HDPE Bags with Polythene Liner