1,4-二氧六环，1,4-Dioxane；for analysis EMSURE® ACS,ISO

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.

 

Purity (GC): ≥ 99.5 %
Identity (IR): conforms
Color: ≤ 10 Hazen
Acidity: ≤ 0.0008 meq/g
Density (d 20 °C/ 4 °C): 1.030 - 1.035
Melting point: ≥ 11.0 °C
Formaldehyde: ≤ 0.05 %
Acetaldehyde: ≤ 0.005 %
Peroxide (as H₂O₂): ≤ 0.005 %
Carbonyl compounds (as CO): ≤ 0.01 %
Evaporation residue: ≤ 0.001 %
Water: ≤ 0.05 %
Al (Aluminium): ≤ 0.00005 %
B (Boron): ≤ 0.000002 %
Ba (Barium): ≤ 0.00001 %
Ca (Calcium): ≤ 0.00005 %
Cd (Cadmium): ≤ 0.000005 %
Co (Cobalt): ≤ 0.000002 %
Cr (Chromium): ≤ 0.000002 %
Cu (Copper): ≤ 0.000002 %
Fe (Iron): ≤ 0.00001 %
Mg (Magnesium): ≤ 0.00001 %
Mn (Manganese): ≤ 0.000002 %
Ni (Nickel): ≤ 0.000002 %
Pb (Lead): ≤ 0.00001 %
Sn (Tin): ≤ 0.00001 %
Zn (Zinc): ≤ 0.00001 %
Stabilized with 25 ppm 2,6-Di-tert-butyl-4-methylphenol (BHT).
ACS, ISO-reagent

 

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