Fluorescein disodium salt indicator (C.I. 45350), Supelco®

Supplier: MilliporeSigma

Synonyms: Yellow No. 82-(6-hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoic acid disodium saltDisodium 2-(3-oxo-6-oxidoxanthen-9-yl)benzoate3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one, disodium saltAcid Yellow 73Fluorescein sodium salt

1.03887.0050 1.03887.0250 1.03887.0050 1.03887.0250
EM1.03887.0050CS 4083.15 CAD
EM1.03887.0050 EM1.03887.0250 CA1.03887.0050 CA1.03887.0250
Fluorescein disodium salt indicator (C.I. 45350), Supelco®
Fluorescein disodium salt
Formula: C₂₀H₁₀Na₂O₅
MW: 376.28 g/mol
Melting Pt: > 300 °C
Density: 1.601 g/cm³ (20 °C)
MDL Number: MFCD00167039
CAS Number: 518-47-8
Merck Index: 13,04185
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Specification Test Results

Solubility 500 g/l (20 °C)
Melting Point 300 °C
Molar Mass 376.27 g/mol
Bulk Density 600 kg/m3
pH 8.3 (10 g/l, H2O, 20 °C)

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