CAS Number
72-48-0
Formula
C14H8O4
Weight
M: 240,22 EC: 200-782-5 NC: 3212 90 90
| Identity | IR p/t. |
| l1 of max. ABS in NaOH 0,1 mol/l | 564-568 nm |
| l2 of max. ABS in NaOH 0,1 mol/l | 605-609 nm |
| A 1%, 1cm, l1 max | >625 |
| A 1%, 1cm, l2 max | >525 |
| T.L.C | p/t. |
| MAX. IMPURITIES | |
| pH transition interval: | |
| yellow | 5,5 |
| red-violet | 6,8 |
| Insoluble matter in CH3OH | p/t. |
| Loss on drying at 135°C | 5 % |
| Sensitivity as Al reagent | p/t. |
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