Glycerin ≥86-88% (w/w) zur Analyse

Lieferant: Thermo Fisher Scientific

Synonyme: 1,2,3-Propantriol, Glycerol

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Glycerin ≥86-88% (w/w) zur Analyse
Glycerin
Formel: HOCH₂CH(OH)CH₂OH
Molecular Weight: 92.09 g/mol
Siedepunkt: 290
Schmelzpunkt: 18 °C
Dichte: 1.227 g/cm³
Flammpunkt: 160 °C
Lagertemperatur: Raumtemperatur
MDL: MFCD00004722
CAS-Nummer: 56-81-5
EINECS: 200-289-5
Merck Index: 13,04497
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Spezifikation Testergebnisse

Appearance Clear colorless Viscous liquid
Infrared spectrum Conforms
Refractive index 1.4520 to 1.4550 (20°C, 589 nm)
Titration Iodometric 86.0 to 88.0 %
Water 12.0 to 14.0 % (K.F.)
Sulfated ash ≤0.005 %
Density (20/4°C) 1.224 to 1.232 g/ml
Substance darkened by H2SO4 Passes test
Chloride (Cl) ≤1 ppm
Sulfate (SO4) ≤5 ppm
Ammonium (NH4) ≤5 ppm
Arsenic (As) ≤0.5 ppm
Iron (Fe) ≤5 ppm
Heavy metals (as Pb) ≤1 ppm
Free acid (CH3COOH) ≤0.002 %
Free alkali (NH3) ≤0.0005 %
Reducing substances ≤0.003 %
Fatty acid esters ≤0.05 %


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