ortho-Phosphoric acid cryst. for analysis EMSURE (500 g)

SKU:
1005650500
  • $139.00

    • Description

    1.00565 Supelco

    ortho-Phosphoric acid 99%

    cryst. for analysis EMSURE®

    Synonym: Orthophosphoric acid, o-Phosphoric acid, Orthophosphoric acid, Phosphoric acid

    • CAS Number 7664-38-2

       

    • Linear Formula H3PO4

       

    • Molecular Weight 98.00

       

    •  Beilstein/REAXYS Number 1921286

       

    •  MDL number MFCD00011340

       

    •  EC Index Number 231-633-2

    Description

    Other Notes

    Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).

    Analysis Note

    Assay (acidimetric): ≥ 99 %
    Identity: passes test
    Chloride (Cl): ≤ 2 ppm
    Nitrate (NO₃): ≤ 2 ppm
    Phosphite and Hypophosphite (as H₃PO₃): ≤ 500 ppm
    Fluoride (F): ≤ 0.5 ppm
    As (Arsenic): ≤ 1 ppm
    Ca (Calcium): ≤ 20 ppm
    Cd (Cadmium): ≤ 1 ppm
    Co (Cobalt): ≤ 1 ppm
    Cu (Copper): ≤ 1 ppm
    Fe (Iron): ≤ 10 ppm
    K (Potassium): ≤ 5 ppm
    Mg (Magnesium): ≤ 1 ppm
    Mn (Manganese): ≤ 1 ppm
    Na (Sodium): ≤ 50 ppm
    Ni (Nickel): ≤ 1 ppm
    Pb (Lead): ≤ 1 ppm
    Sb (Antimony): ≤ 1 ppm
    Zn (Zinc): ≤ 1 ppm
    Volatile acids (as CH₃COOH): ≤ 20 ppm
    Substances reducing potassium permanganate (as O): ≤ 20 ppm

     

    Properties

    Quality Level   300
    vapor density   3.4 (vs air)
    vapor pressure   2.2 mmHg ( 20 °C)
      5 mmHg ( 25 °C)
    assay   ≥99% (acidimetric)
    form   solid
    potency   2740 mg/kg LD50, skin (Rabbit)
    pH   <0.5 (20 °C, 100 g/L in H2O)
    bp   158 °C (lit.)
    mp   ~40 °C (lit.)
    solubility   750-850 g/L
    density   1.685 g/mL at 25 °C (lit.)
      1.84 g/cm3 at 38 °C
    anion traces   chloride (Cl-): ≤2 ppm
      fluoride (F-): ≤0.5 ppm
      nitrate (NO3-): ≤2 ppm
      phosphite, hypophosphite (as H3PO3): ≤500 ppm
    cation traces   As: ≤1 ppm
      Ca: ≤20 ppm
      Cd: ≤1 ppm
      Co: ≤1 ppm
      Cu: ≤1 ppm
      Fe: ≤10 ppm
      K: ≤5 ppm
      Mg: ≤1 ppm
      Mn: ≤1 ppm
      Na: ≤50 ppm
      Ni: ≤1 ppm
      Pb: ≤1 ppm
      Sb: ≤1 ppm
      Zn: ≤1 ppm
    SMILES string   OP(O)(O)=O
    InChI   1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)
    InChI key   NBIIXXVUZAFLBC-UHFFFAOYSA-N
    storage conditions   Store below +30°C.