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103992 Fluorescein sodium (C.I. 45350)

extra pure

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103992
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Replacement Information

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1039921000
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      		 Metal can 1 kg
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      CO1E1039921000
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      In Stock 
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        Remaining : Will advise
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          		 1 kg
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          Description
          Catalogue Number103992
          References
          Product Information
          CAS number518-47-8
          EC number208-253-0
          Hill FormulaC₂₀H₁₀Na₂O₅
          Molar Mass376.27 g/mol
          HS Code3212 90 90
          Structure formula ImageStructure formula Image
          Quality LevelMQ100
          Applications
          Biological Information
          Physicochemical Information
          Density0.78 g/cm3 (699.7 hPa, 29.6 °C)
          Flash point217.6 °C
          Melting Point313 - 317 °C
          pH value8.36 (H₂O, 32 °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 1 slightly 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 +2°C to +30°C.
          Packaging Information
          Transport Information
          Supplemental Information
          Specifications
          Assay (gravimetrically; calc. on dried substance)≥ 98 %
          Identity (UV/VIS-Spectrum)passes test
          Identity (IR-spectrum)passes test
          pH (20 g/l, water)7.0 - 9.0
          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)≥ 1950
          As (Arsenic)≤ 0.0002 %
          Cd (Cadmium)≤ 0.001 %
          Cu (Copper)≤ 0.01 %
          Pb (Lead)≤ 0.002 %
          Zn (Zinc)≤ 0.01 %
          Acriflavinepasses test
          TLC-Testpasses test
          Loss on drying (110 °C)≤ 10 %
          Global Trade Item Number
          Catalogue Number GTIN
          1039921000 04022536045917
          CO1E1039921000 04061839009424

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