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| NAPHTHALENE 1:5 DI SULPHONIC ACID |
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| SPECIFICATION |
| PRODUCT NAME |
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NAPHTHALENE 1:5 DI SULPHONIC ACID |
| CHEMICAL NAME |
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ARMSTRONG'S ACID |
| EMPIRICAL FORMULA |
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C10H8S2O6 |
| CAS NO. |
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81-04-9 |
| MOLECULAR WEIGHT |
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288 |
| SPECIFICATION |
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ASSAY:
WET: 95% MIN
OFF WHITE COLOUR |
| USE |
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AS A DYE INTERMEDIATES |
| STRUCTURAL FORMULA |
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| P. N. T. O. S. A |
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| SPECIFICATION |
| PRODUCT NAME |
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P. N. T. O. S. A |
| CHEMICAL NAME |
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1-METHYL 4-NITRO BENZENE 2- SULFONIC ACID |
| EMPIRICAL FORMULA |
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C7H7NO5S |
| CAS NO. |
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121-03-9 |
| MOLECULAR WEIGHT |
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217 |
| SPECIFICATION |
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ASSAY:
WET: 65 % MIN
LIGHT BROWN COLOUR
TO DULL WHITE COLOUR |
| USE |
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ACID ORANGE 19 C.I. - 14690
DIRECT YELLOW 19 C.I. - 40030 |
| STRUCTURAL FORMULA |
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