Sodium Borate, Decahydrate Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS (500g)

SKU:
SX0355-1
  • $97.30

    • Description

    SX0355 Supelco

    Sodium Borate, Decahydrate

    Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

    Synonym: Sodium Borate, Decahydrate, Sodium Tetraborate, Dodecahydrate, Borax

    • CAS Number 1303-96-4

       

    • Empirical Formula (Hill Notation) B4Na2O7 · 10H2O

       

    • Molecular Weight 381.37

       

    •  MDL number MFCD00149193

       

    •  EC Index Number 215-540-4

    Description

    Packaging

    12 kg in Plastic drum

    50 kg in Drum, fibre

    500 g in Plastic bottle

    Application

    Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

    Analysis Note

    Assay99.5-105.0%Calcium (Ca)0.005% maxChloride (Cl)0.001% maxColorWhiteFormCrystals/granulesHeavy metals (as Pb)0.001% maxInsoluble matter0.005% maxIron (Fe)5ppm maxPhosphate (PO4)0.001% maxSulfate (SO4)0.005% maxpH of a 0.01 m solution at 25°C9.15-9.20

    Properties

    Quality Level   200
    vapor pressure   0.213 hPa ( 20 °C)
    assay   99.5-105.0%
    pH   9.2 (20 °C, 47 g/L in H2O)
    mp   75 °C (Elimination of water of crystallisation)
    solubility   49.74 g/L
    anion traces   chloride (Cl-): ≤0.001%
      phosphate (PO43-): ≤0.001%
      sulfate (SO42-): ≤0.005%
    cation traces   Ca: ≤ 0.005%
      Fe: ≤ 5 ppm
      heavy metals (as Pb): ≤ 0.001%
    shipped in   ambient
    InChI   1S/B4O7.2Na.10H2O/c5-1-9-3(7)11-4(8)10-2-6;;;;;;;;;;;;/h;;;10*1H2/q-2;2*+1;;;;;;;;;;
    InChI key   OJPFLODMGUZMKD-UHFFFAOYSA-N
    storage conditions   Store at room temperature.