CAS Number
62625-30-3
Formula
C21H15Br2NaO5S
Weight
M: 562,22 EC: 263-655-3 NC: 2932 29 85
| Identity | IR p/t. |
| l1 of max. ABS at pH 5,2 | 429-433 nm |
| l2 of max. ABS at pH 6,8 | 588-590 nm |
| A 1%, 1 cm, l1 max | >300 |
| A 1%, 1 cm, l2 max | >750 |
| T.L.C | p/t. |
| MAX. IMPURITIES | |
| pH transition interval: | |
| greenish yellow | 5,2 |
| bluish purple | 6,8 |
| Cu | 0,005 % |
| Fe | 0,005 % |
| Ni | 0,005 % |
| Pb | 0,005 % |
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