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.
3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Storage and Shipping Information
Storage
Store at +2°C to +30°C.
Specifications
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)
