103887 Fluorescein sodium (C.I. 45350)

103887
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Overview

Replacement Information

Key Specifications Table

CAS #EC NumberHill FormulaMolar MassGrade Value
518-47-8 208-253-0 C₂₀H₁₀Na₂O₅ 376.27 g/mol Reag. Ph Eur

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      1038870250
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          Description
          Catalogue Number103887
          References
          Product Information
          CAS number518-47-8
          EC number208-253-0
          GradeReag. Ph Eur
          Hill FormulaC₂₀H₁₀Na₂O₅
          Molar Mass376.27 g/mol
          HS Code3204 12 00
          Structure formula ImageStructure formula Image
          Quality LevelMQ200
          Applications
          Biological Information
          Physicochemical Information
          Melting Point>300 °C
          pH value8.3 (10 g/l, H₂O, 20 °C)
          Bulk density600 kg/m3
          Solubility500 g/l
          Dimensions
          Materials Information
          Toxicological Information
          LD 50 oralLD50 Rat 6720 mg/kg
          Safety Information according to GHS
          RTECSLM5425000
          Storage class10 - 13 Other liquids and solids
          WGKWGK 2 obviously hazardous to water
          Disposal3
          Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
          Safety Information
          Product Usage Statements
          Storage and Shipping Information
          StorageStore at +5°C to +30°C.
          Packaging Information
          Transport Information
          Supplemental Information
          Specifications
          AppearanceRedishbrown powder, eventually with granular and bright parts.
          Identity (UV/VIS-Spectrum)passes test
          Identity (IR-spectrum)passes test
          Absorption maximum λmax. (buffer pH 8.0)490 - 492 nm
          Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; buffer pH 8.0; calc. on dried substance)≥ 1850
          Loss on drying (110 °C)≤ 10 %
          Suitability as indicator (Adsorption indicator for argentometry)passes test