| Product Name |
Fluorescein (free acid),
Dye content 95 % |
| Product Number |
F2456 |
| Product Brand |
Aldrich |
| CAS Number |
2321-07-5 |
| Molecular Formula |
C20H12O5 |
| Molecular Weight |
332.31 |
| |
| TEST |
SPECIFICATION |
| APPEARANCE |
ORANGE TO RED-BROWN OR MAROON POWDER |
| INFRARED SPECTRUM |
CONFORMS TO STRUCTURE AND STANDARD. |
| UV-VISIBLE SPECTRUM |
0.003G/L, 0.01N NAOH |
| |
E(490 +/- 2 NM) = >70,000 |
| |
E(284 +/- 2 NM) = >12,000 |
| |
E(238 +/- 2 NM) = >39,000 |
| TITRATION |
94.5%-105.5% (WITH NAOH) |
| SOLUBILITY |
1MG/ML 1N NAOH; CLEAR ORANGE-GREEN TO ORANGE |
| |
BROWN SOLUTION |
| |
OR |
| SOLUBILITY |
50MG/ML, 1N NAOH; CLEAR TO OPAQUE ORANGE TO |
| |
ORANGE-GREEN OR ORANGE BROWN SOLUTION |
| |
REVISED AUGUST 28, 2003 JSB |
Certificate of Analysis
Certificate of Origin
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