Fluorescein, pure
Supplier: Thermo Scientific
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Warning
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Synonyms:
3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one, 2-(6-Hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoic acid
119241000
119245000
119240025
119240250
ACRO119241000EA
98.8
GBP
ACRO119241000
ACRO119245000
ACRO119240025
ACRO119240250
Fluorescein, pure
Fluorescein
Formula:
C₂₀H₁₂O₅ MW: 332,31 g/mol Melting Pt: 314…316 °C Storage Temperature: Ambient |
MDL Number:
MFCD00005050 CAS Number: 2321-07-5 EINECS: 219-031-8 Merck Index: 13,04185 |
Specification Test Results
Appearance | Red-brown to rust brown to brown Powder |
Infrared spectrum | Conforms |
Loss on drying | ≤3 % |
Sulfated ash | ≤0.5 % |
Specific absorbance A (1%/1cm) | ≥1800 (490 +/- 5 nm , 0.5% aq. soln. of Na2CO3) |
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