MilliporeSigma
Glycerol (vegetable origin) for analysis EMSURE ACS,Reag. Ph Eur (25L)
- SKU:
- 1040579026
Description
1.04057 Supelco
Glycerol
(vegetable origin) for analysis EMSURE ACS,Reag. Ph Eur
Synonym: 1,2,3-Propanetriol, Trihydroxylpropane, Protol, Glycerin, Glycerol
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CAS Number 56-81-5
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Linear Formula (HOCH2)2CHOH
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Molecular Weight 92.09
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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. |