CAS Number
130-22-3
Formula
C14H7NaO7S
Weight
M: 342,26 EC: 204-981-8 NC: 3204 12 00
| Identity | IR p/t. |
| l1 of max. ABS in NaOH 0,1 mol/l | 553-558 nm |
| l2 of max. ABS in NaOH 0,1 mol/l | 592-596 nm |
| T.L.C | p/t. |
| MAX. IMPURITIES | |
| pH transition interval: | |
| yellow | 3,7 |
| red-purple | 5,2 |
| Insoluble matter in H2O | p/t. |
| Loss on drying at 135°C | 5 % |
| Sensitivity as Al reagent | p/t. |
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