Merck
All Photos(2)

1.04094

Supelco

Glycerol 85%

for analysis EMSURE® Reag. Ph Eur

Synonym(s):
Glycerin, 1,2,3-Propanetriol, Trihydroxylpropane, Protol, 1,2,3-Propanetriol, Glycerol solution
Linear Formula:
HOCH2CH(OH)CH2OH · aq
CAS Number:
Molecular Weight:
92.09 (anhydrous basis)
Beilstein:
635685
MDL number:

Quality Level

Agency

reag. Ph. Eur.

vapor pressure

8 hPa ( 20 °C)

product line

EMSURE®

assay

83.5-88.5% (after oxidation, alkalimetric)
84.5-85.5% (GC)

form

liquid

autoignition temp.

429 °C

composition

Water, 14.5-15.5%

impurities

≤0.0001% Chloride (Cl)
≤0.0005% Free alkali (as NH?)
≤0.002% Free acid (as CH3COOH)
≤0.003% Halogenated compounds (as Cl)
≤0.05% Fatty Esters (as glycerintributyrate)
≤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)
≤10 ppm Aldehydes

sulfated ash

≤0.005%

refractive index

n20/D 1.449-1.455

pH

5 (20 °C, 100 g/L in H2O)

bp

182 °C/20 mmHg (lit.)

mp

-10 °C

transition temp

flash point 199 °C

density

1.252 g/mL at 25 °C (lit.)

anion traces

sulfate (SO42-): ≤0.0005%

cation traces

Fe: ≤0.0001%
heavy metals (as Pb): ≤0.0001%

storage temp.

2-30°C

SMILES string

OCC(O)CO

InChI

1S/C3H8O3/c4-1-3(6)2-5/h3-6H,1-2H2

InChI key

PEDCQBHIVMGVHV-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

EMSURE grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE provides worldwide best and most extensive product specifications. We declare our EMSURE range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

Analysis Note

Assay (GC; calc. on hydrous substance): 84.5 - 85.5 %
Assay (alkalimetric after oxidation): 83.5 - 88.5 %
Identity: passes test
Appearance of solution: passes test
Acidity or alkalinity: passes test
Free alkali (as NH₃): ≤ 0.0005 %
Free acid (as CH₃COOH): ≤ 0.002 %
Refractive index (n 20/D): 1.449 - 1.455
Density (d 20/4): 1.221 - 1.232 g/cm³
Chloride (Cl): ≤ 0.0001 %
Sulfate (SO₄): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0001 %
Halogenated compounds (as Cl): ≤ 0.0030 %
Aldehydes: ≤ 10 ppm
Fe (Iron): ≤ 0.0001 %
NH₄ (Ammonium): ≤ 0.0005 %
Fatty Esters (as glycerintributyrate): ≤ 0.05 %
Esters: passes test
Readily carbonizable substances: passes test
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 %
Sugar: passes test
Sulfated ash: ≤ 0.005 %
Water: 14.5 - 15.5 %

Legal Information

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

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Quality

Enter Lot Number to search for Certificate of Quality (COQ).

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service