1.09708

Ethyl methyl ketone

for analysis EMSURE^® ACS,Reag. Ph Eur

• Synonym(s): Ethyl methyl ketone, 2-Butanone, Methyl ethyl ketone, MEK
• Empirical Formula (Hill Notation): C₄H₈O
• CAS Number: 78-93-3
• Molecular Weight: 72.11
• MDL number: MFCD00011648
• UNSPSC Code: 12191502
• EC Index Number: 201-159-0
• NACRES: NA.05

Properties

• grade: ACS reagent
• Quality Level: 300
• agency: reag. Ph. Eur.
• vapor pressure: 105 hPa ( 20 °C)
• product line: EMSURE^®
• assay: ≥99.5% (GC)
• form: liquid
• autoignition temp.: 514 °C
• potency: 3400 mg/kg LD₅₀, oral (Rat); >8000 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 1.8-11.5 % (v/v)
• impurities: ≤0.0002 meq/g Alkalinity; ≤0.0003% Substances reducing potassium permanganate (as O); ≤0.0005 meq/g Titrable acid; ≤0.05% Acetone (GC); ≤0.05% Methanol (GC); ≤0.05% Water; ≤0.1% 2-Butanol (GC)
• evapn. residue: ≤0.001%
• color: clearAPHA: ≤10
• pH: 7 (20 °C)
• bp: 79.6 °C/1013 hPa
• mp: -86 °C
• transition temp: flash point -4 °C
• solubility: 292 g/L
• density: 0.805 g/cm³ at 20 °C
• cation traces: Al: ≤0.00002%; B: ≤0.000002%; Ba: ≤0.00001%; Ca: ≤0.00005%; Cd: ≤0.000005%; Co: ≤0.000002%; Cr: ≤0.000002%; Cu: ≤0.000002%; Fe: ≤0.00001%; Mg: ≤0.000005%; Mn: ≤0.000002%; Ni: ≤0.000002%; Pb: ≤0.00001%; Sn: ≤0.00001%; Zn: ≤0.00001%
• storage temp.: 2-30°C
• InChI: 1S/C4H8O/c1-3-4(2)5/h3H2,1-2H3
• InChI key: ZWEHNKRNPOVVGH-UHFFFAOYSA-N

Description

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.

Application

• In Situ Synthesis of Environmentally Friendly Waterborne Polyurethane Extended with Regenerated Cellulose Nanoparticles for Enhanced Mechanical Performances: Ethyl methyl ketone is utilized in the synthesis process of eco-friendly polyurethane materials, contributing to the development of sustainable composite materials with improved mechanical properties (Choi et al., 2023).


• Comparative Studies on the Physicochemical and Volatile Flavour Properties of Traditional Deep Fried and Circulating-Air Fried Hairtail (Trichiurus lepturus): Ethyl methyl ketone′s solvent properties are utilized in the analysis of food flavors, particularly in comparing cooking methods and their impact on flavor profile, which is vital for food science research (Ding et al., 2022).

Analysis Note

Purity (GC): ≥ 99.5 %
Identity (IR): conforms
Appearance: clear
Color: ≤ 10 Hazen
Titrable acid: ≤ 0.0005 meq/g
Alkalinity: ≤ 0.0002 meq/g
Density (d 20 °C/20 °C): 0.805 - 0.815
Boiling point: 79 - 80 °C
Acetone (GC): ≤ 0.05 %
2-Butanol (GC): ≤ 0.1 %
Methanol (GC): ≤ 0.05 %
2-Methylpropan-2-ol (GC): ≤ 0.1 %
Substances reducing potassium permanganate (as O): ≤ 0.0003 %
Al (Aluminium): ≤ 0.00002 %
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): ≤ 0.000005 %
Mn (Manganese): ≤ 0.000002 %
Ni (Nickel): ≤ 0.000002 %
Pb (Lead): ≤ 0.00001 %
Sn (Tin): ≤ 0.00001 %
Zn (Zinc): ≤ 0.00001 %
Evaporation residue: ≤ 0.001 %
Water: ≤ 0.05 %

Legal Information

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

Safety Information

• pictograms: GHS02,GHS07
• signalword: Danger
• hcodes: H225 - H319 - H336
• pcodes: P210 - P233 - P240 - P241 - P242 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
• target_organs: Central nervous system
• supp_hazards: EUH066
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 1
• flash_point_f: 30.2 °F - closed cup
• flash_point_c: -1 °C - closed cup