Fluorescein disodium salt 98.5-100.5% indicator, Fluka™

Supplier: Honeywell Chemicals

Synonyms: 3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one, disodium salt, Acid Yellow 73, Yellow No. 8, Fluorescein sodium salt, 2-(6-hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoic acid disodium salt, Disodium 2-(3-oxo-6-oxidoxanthen-9-yl)benzoate

28803-100G 28803-1KG 28803-4X1KG
HONC28803-100GEA 291 SGD
HONC28803-100G HONC28803-1KG HONC28803-4X1KG
Fluorescein disodium salt 98.5-100.5% indicator, Fluka™
Fluorescein disodium salt
Formula: C₂₀H₁₀Na₂O₅
MW: 376,28 g/mol
Melting Pt: 300 °C
Density: 1,601 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00167039
CAS Number: 518-47-8
EINECS: 208-253-0
Merck Index: 13,04185
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Specification Test Results

Assay (calculated to the dried substance) Min. 98.5 %
Loss on drying (105°C) Max. 10 %
Zinc (Zn) complying
Chloride (Cl) Max. 0.35 %
Sulfate (SO₄) Max. 1.2 %
UV spectrum complying

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