Fluorescein, pure

Supplier: Thermo Scientific Chemicals
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11924-0025 11924-0250 11924-1000 11924-5000
TS11924-0025EA 526 USD
TS11924-0025 TS11924-0250 TS11924-1000 TS11924-5000
Fluorescein, pure
Fluorescein
Formula: C₂₀H₁₂O₅
Melting Pt: 314…316 °C
Storage Temperature: Ambient
MDL Number: MFCD00005050
CAS Number: 2321-07-5
EINECS: 219-031-8
Merck Index: 1304185
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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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