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Molecular Structure |
| Product Name |
4-4 Dintro Stilbene 2-2 Disulphonic Acid
CAS N0 : 128.42.7 |
| Purity |
70% Min. |
| Appearance |
Orange - Yellow |
| Mol. weight |
430 (Free Acid) |
| Emp. Formula |
C14H10O10N2S2 |
| Solubility |
Soluble in hot water |
| Insoluble in Alkali |
0.2 Max. |
| Form Supply |
Semi Dry Crystal Powder |
| Purity by HPLC |
99 % Min. |
| Dibenzyl Stilbene |
0.5% Max. |
| Colour Value |
Red - 7.0 Max.
Yellow - 40.0 Max. |
| Inorganic Salt |
Chloride - 0.1%
Sulphate - 0.2% |
| Main Usage |
It is a kind of dyes intermediates. Can be used In manufacture of DSD Acid. |
| Packing |
25/500 Kgs. of H.D.P.E. bags with separate liner inside or as per customer’s requirement. |
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Molecular Structure |
| Product Name |
4-4 Dintro Stilbene 2-2 Disulphonic Acid
CAS No. 3709-43-1 |
| Purity |
Min. - 75.0% |
| Appearance |
Pale Yellow |
| Mol. weight |
474 (Sodium Salt) |
| Emp. Formula |
C14H8O10N2S2Na2 |
| Form supply |
Semi - dried Powder |
| Insoluble |
Max. 0.2% |
| Application |
Intermediate for Direct Dyes (E.g. Direct Yellow-99, Yellow-6, Orange-39, Orange-34 etc.) |
| Packing |
25/500 kgs. HDPE bag with separate liner inside or as per customer’s requirement. |
| Dibenzyl Stilbene |
Max. - 0.5% |
| Storage |
Inflammable in nature hence should be kept away from excess heat and fireplace. |
| Acute and cronitoxi |
The product does not appear to cause any hazard by inhalation of dust. |
| Handling instruction |
Rubber or plastic gloves, apron and boots should be worn together with goggles giving total eye protection. |
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