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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