CAS Number
1945-77-3
Formula
C37H40N2Na4O13S
Weight
269.31
3,3'-Bis[N,N-di(carboxymethyl)-aminomethyl] thymolsulfonphthalein
EC: 217-743-3 NC: 2932 99 85
| Identity | IR p/t. |
| T.L.C | p/t. |
| MAX. IMPURITIES | |
| Transition interval: | |
| yellow | 6,5 |
| blue | 8,5 |
| Transition interval according to ACS | p/t. |
| Insoluble matter in H2O | p/t. |
| Loss on drying at 135°C | 10 % |
| Suitability as metal indicator | p/t. |
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