Glycerol (vegetable origin) for analysis EMSURE ACS,Reag. Ph Eur (10L)

SKU:
1040579011
  • $1,660.00
  • Description

    1.04057 Supelco

    Glycerol

    (vegetable origin) for analysis EMSURE ACS,Reag. Ph Eur

    Synonym: 1,2,3-Propanetriol, Trihydroxylpropane, Protol, Glycerin, Glycerol

    • CAS Number 56-81-5

       
    • Linear Formula (HOCH2)2CHOH

       
    • Molecular Weight 92.09

       
    •  EC Index Number 200-289-5

    Description

    Analysis Note

    Assay (GC, calc. on anhydr. substance): ≥ 99.5 %
    Assay (alkalimetric, calculated on anhydrous substance): 98.0 - 101.0 %
    Identity: passes test
    Color: ≤ 10 APHA
    Appearance of solution: passes test
    Acidity or alkalinity: passes test
    Free acid (CH₃COOH): ≤ 0.002 %
    Neutrality: passes test
    Refractive index (n 20/D): 1.470 - 1.475
    Chloride (Cl): ≤ 0.0010 %
    Sulfate (SOâ‚„): ≤ 0.001 %
    Halogenated compounds (as Cl): ≤ 0.0030 %
    Heavy metals (as Pb): ≤ 0.00020 %
    Al (Aluminium): ≤ 0.00005 %
    B (Boron): ≤ 0.000002 %
    Ba (Barium): ≤ 0.00001 %
    Ca (Calcium): ≤ 0.0001 %
    Cd (Cadmium): ≤ 0.000005 %
    Co (Cobalt): ≤ 0.000005 %
    Cr (Chromium): ≤ 0.000002 %
    Cu (Copper): ≤ 0.000005 %
    Fe (Iron): ≤ 0.00001 %
    Mg (Magnesium): ≤ 0.0001 %
    Mn (Manganese): ≤ 0.00001 %
    Ni (Nickel): ≤ 0.000002 %
    Pb (Lead): ≤ 0.00001 %
    Sn (Tin): ≤ 0.00001 %
    Zn (Zinc): ≤ 0.00001 %
    Methanol: ≤ 3000 ppm
    Other residual solvents (ICH Q3C): ...excluded by production process
    Acrolein and glucose: passes test
    Aldehydes: ≤ 10 ppm
    Diethylene glycol and related Substances (impurity A): ≤ 0.1 %
    Diethylene glycol and related Substances (any further impurity): ≤ 0.1 %
    Diethylene glycol and related Substances (Sum of all impurities): ≤ 0.5 %
    Fatty acids and esters (as Butyric acid): ≤ 0.05 %
    Substances darkened by sulfuric acid: passes test
    Sugar: passes test
    Sulfated ash: ≤ 0.005 %
    Water: ≤ 0.5 %

    Properties

    Quality Level   300
    grade   ACS reagent
      Reag. Ph. Eur.
    vapor pressure   <0.001 hPa ( 20 °C)
    autoignition temp.   400 °C
    expl. lim.   2.6-11.3 % (v/v)
    pH   5 (20 °C, 100 g/L in H2O)
    bp   290 °C/1013 hPa
    mp   18-20 °C
    transition temp   flash point 199 °C
    density   1.26 g/cm3 at 20 °C
    storage conditions   Store at +5°C to +30°C.