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Chemcial
name 6-Nitro-1-Diazo-2-naphthol-4-sulphonic Acid
Stuctural formular:
Cas registry No:5366-84-7
Molecular weight:295.3
Molecular formula:C10H6N3O6S
Structural formular:
Descriptions:This Nitro derivative is also considered to
exist in quinone-diazide form (4-Diazo-3,4-Dhydro-7- Nitro-3-Oxo
Naphthalene-l-Sulphonic acid). It is more important component
for mettalised & mettallisable dyes than 1,2,4 acid diazo.
Specifications:
| Index |
1st grade |
2nd grade |
3rd grade |
| Appearance |
Yellow to light
brown moist material |
| Purity %min. |
75 |
73 |
70 |
| Content by HPLC %min. |
90 |
88 |
87 |
| Insolubles%max. |
0.1 |
0.1 |
0.2 |
| Free acid (H2SO4) %max. |
4 |
5 |
6 |
| Fe mg/kg max. |
30 |
30 |
30 |
Packing :In HDPE woven sacks with poly liner or in M.S. drums
of 40kgs to 170kgs.
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