| Product | ONAPSA FREE ACID |
| CHEMICAL NAME | 2 NITRO ANILINE 4 SULPHONIC ACID;3 NITRO 4 AMINO BENZENE SULPHONIC ACID |
| CAS NO. | 616-84-2 |
| MOLECULAR FORMULA | C6H6O5N2S |
| MOLECULAR WEIGHT | 218 |
| STRUCTURAL FORMULA |  |
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PHYSICAL PROPERTIES
| FORM SUPPLIED | DRY POWDER / WET CAKE |
| SALES BASIS | REAL CONTENT ON 100% BASIS |
| APPEARANCE | LIGHT YELLOW TO REDDISH YELLOW |
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CHEMICAL PROPERTIES
| ASSAY | 85% (MIN) / 70 % WET |
| INSOLUBLES | 0.3 % MAX |
| SALT CONTENT [NaCl] | 4 % MAX |
| Na2SO4 CONTENT | 1% MAX |
| SOLUBILITY IN WATER | 180 GPL MIN |
| IRON CONTENT | 100 PPM MAX |
| MOISTURE CONTENT | 1.0 % MAX |
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CHROMATOGRAPH RESULT
| ISOMERS | TRACES |
