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Home » speciality Dyes and Biological Stains » Tetrachlorofluorescein
PRODUCT SPECIFICATIONS | |
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Name of Product | Tetrachlorofluorescein |
IUPAC Name | 4,5,6,7-tetrachloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one |
Synonyms | 3,4,5,6-Tetrachlorofluorescein; 4,5,6,7-Tetrachlorofluorescein; Tetrachloro Fluorescein |
CAS No | 6262-21-1 |
Molecular Formula | C20H8Cl4O5 |
Molecular Weight | 470.1 g/mol |
Pubchem CID | 80424 |
SR. No | Criteria | Limit/Specification |
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1 | Appearance | Orange Powder |
2 | Density | 1.8g/cm3 |
3 | Melting Point | 304℃ |
4 | Infrared spectrum | Conforms to Structure |
5 | Solubility | 5 MG/1 ML MEOH; Hazy Orange Solution |
6 | Lambda max | 466.0 to 470.0 nm(Pyridine) |
7 | Absorbance(E1%1cm) | Min. 3.50 (Pyridine, 466.0 to 470.0 nm) |