Synonyms
6-Nitro-1,2,4 Diazo Acid (6-Nitro-1-Diazo-2-Naphthol-4-Sulphonic Acid)
Structural formula
CAS no
5366-84-7
Molecular weight
295.3
Molecular Formula
C10H6N3O6S
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
Specification
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
0.2
Free acid (H2SO4) %max.
4
5
6
Fe mg/kg max.
30
Packing
In HDPE woven sacks with poly liner or in M.S. drums of 40kgs to 170kgs.