1.04057

Glycerol

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

• Synonym(s): 1,2,3-Propanetriol, Trihydroxylpropane, Protol, Glycerin, 1,2,3-Propanetriol, Glycerin
• Linear Formula: HOCH₂CH(OH)CH₂OH
• CAS Number: 56-81-5
• Molecular Weight: 92.09
• Beilstein: 635685
• Número MDL: MFCD00004722
• Número índice de la CE: 200-289-5

Properties

• grado: ACS reagent
• Nivel de calidad: 300
• Agency: reag. Ph. Eur.
• densidad de vapor: 3.1 (vs air)
• presión de vapor: <1 mmHg ( 20 °C)
• Línea del producto: EMSURE^®
• ensayo: ≥99.5% (GC); 98.0-101.0% (calculated on anhydrous substance, alkalimetric)
• formulario: liquid
• temp. de autoignición: 698 °F
• lim. expl.: 2.6-11.3 % (v/v)
• características de los productos alternativos más sostenibles: Safer Solvents and Auxiliaries; Use of Renewable Feedstocks; Learn more about the Principles of Green Chemistry.
• technique(s): electrophoresis: suitable
• impurezas: ≤0.001% Chloride (Cl); ≤0.001% Sulfate (SO4); ≤0.002% Free acid (CH₃COOH); ≤0.003% Halogenated compounds (as Cl); ≤0.05% Fatty acids and esters (as Butyric acid); ≤0.1% Diethylene glycol and related Substances (any further impurity); ≤0.1% Diethylene glycol and related Substances (impurity A); ≤0.5% Diethylene glycol and related Substances (Sum of all impurities); ≤0.5% Water; ≤10 ppm Aldehydes; ≤3000 ppm Methanol
• color: APHA: ≤10
• índice de refracción: n20/D 1.474 (lit.)
• pH: 5 (20 °C, 100 g/L in H₂O)
• bp: 182 °C/20 mmHg (lit.)
• mp: 20 °C (lit.)
• temperatura de transición: flash point 199 °C
• densidad: 1.25 g/mL (lit.)
• trazas de catión: Al: ≤0.00005%; B: ≤0.000002%; Ba: ≤0.00001%; Ca: ≤0.0001%; Cd: ≤0.000005%; Co: ≤0.000005%; Cr: ≤0.000002%; Cu: ≤0.000005%; Fe: ≤0.00001%; Mg: ≤0.0001%; Mn: ≤0.00001%; Ni: ≤0.000002%; Pb: ≤0.00001%; Sn: ≤0.00001%; Zn: ≤0.00001%; heavy metals (as Pb): ≤0.00020%
• SMILES string: OCC(O)CO
• categoría alternativa más sostenible: Aligned
• temp. de almacenamiento: 2-30°C
• InChI: 1S/C3H8O3/c4-1-3(6)2-5/h3-6H,1-2H2
• InChI key: PEDCQBHIVMGVHV-UHFFFAOYSA-N

Description

Envase

2.5 , 10, 25 l

Aplicación

Glycerol is used both in sample preparation and gel formation for polyacrylamide gel electrophoresis. Glycerol (5-10%) increases the density of a sample so that the sample will layer at the bottom of a gel′s sample well. Glycerol is also used to aid in casting gradient gels and as a protein stabilizer and storage buffer component.

Nota de análisis

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 (SO₄): ≤ 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 %

Información legal

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Código de clase de almacenamiento: 10 - Combustible liquids
• WGK: WGK 1
• Punto de inflamabilidad F: 390.2 °F - Pensky-Martens closed cup
• Punto de inflamabilidad C: 199 °C - Pensky-Martens closed cup