1.00974

Ethanol (denatured)

≥99.5% (GC), reagent grade, for extraction, for analytical purposes, EMSURE^®

• Synonym(s): Ethanol denatured, Ethyl alcohol, EtOH, Ethanol
• Linear Formula: C₂H₅OH
• CAS Number: 64-17-5
• Molecular Weight: 46.07
• Beilstein/REAXYS Number: 1718733
• MDL number: MFCD00003568
• UNSPSC Code: 12191502
• EC Index Number: 200-578-6
• NACRES: NB.21

Properties

• product name: Ethanol, denatured with about 1% methyl ethyl ketone for analysis EMSURE^®
• grade: denatured; for analytical purposes; for extraction; reagent grade
• Quality Level: 300
• vapor pressure: 59 hPa ( 20 °C)
• product line: EMSURE^®
• assay: ≥99.5% (GC)
• form: liquid
• autoignition temp.: 425 °C (ethanol)
• potency: 6200 mg/kg LD₅₀, oral (Rat)
• expl. lim.: 1.3-15 % (v/v) ethanol)
• impurities: ≤0.00001% Ba (Barium); ≤0.00005% Al (Aluminium); ≤0.00005% B (Boron); ≤0.001% Free acid (as acetic acid); ≤0.1% Water; 0.8-1.3% Ethylmethylketone (GC)
• evapn. residue: ≤0.001%
• pH: 7 (20 °C)
• mp: -114.5 °C (ethanol)
• transition temp: flash point 12 °C (ethanol)
• density: 0.79 g/cm³ at 20 °C
• cation traces: Ca: ≤0.00005%; Cd: ≤0.000005%; Co: ≤0.000002%; Cr: ≤0.000002%; Cu: ≤0.000002%; Fe: ≤0.00001%; K: ≤0.0001%; Mg: ≤0.00001%; Mn: ≤0.000002%; Ni: ≤0.000002%; Pb: ≤0.00001%; Sn: ≤0.00001%; Zn: ≤0.00001%
• application(s): environmental; food and beverages; industrial qc; pharmaceutical; sample preparation
• format: neat
• storage temp.: 2-30°C
• SMILES string: CCO
• InChI: 1S/C2H6O/c1-2-3/h3H,2H2,1H3
• InChI key: LFQSCWFLJHTTHZ-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

• Separation of lignin derivatives from hemp fiber using supercritical CO₂, ethanol, and water at different temperatures.: This study demonstrates a method for separating lignin derivatives from hemp fibers using a combination of supercritical CO₂, ethanol, and water, highlighting the role of ethanol in enhancing the efficiency of the extraction process, which is crucial for the sustainable production of bio-based materials (Zhang et al., 2024).


• Elimination of Toxic Solvents from Analytical Methods in Food Analysis: Caffeine Determination in Tea as an Example.: This article discusses the development of analytical methods that eliminate the use of toxic solvents in food analysis, specifically highlighting the replacement of harmful solvents with safer alternatives like ethanol, promoting safer and more environmentally friendly practices (Kalisz et al., 2024).


• High throughput microfluidics-based synthesis of PEGylated liposomes for precise size control and efficient drug encapsulation.: This study explores the use of ethanol in the high-throughput synthesis of PEGylated liposomes, utilizing microfluidics technology to ensure precise size control and efficient drug encapsulation, which are critical for targeted drug delivery systems (Akar et al., 2024).


• A novel method for quantitative determination of multiple substances using Raman spectroscopy combined with CWT.: This research introduces a novel approach for the quantitative determination of substances where ethanol is used as a solvent to enhance the spectroscopic analysis, proving crucial for accurate and efficient analytical measurements (Yang et al., 2024).


• Quality criteria, chemical composition, and antimicrobial activity of the essential oil of Mentha suaveolens Ehrh.: This study involves the extraction of essential oils where ethanol is employed as a solvent to extract active compounds effectively, focusing on the antimicrobial properties and chemical composition of the oils (Afrokh et al., 2024).

Analysis Note

Purity (GC): ≥ 99.5 %
Identity (IR): conforms
Free acid (as acetic acid): ≤ 0.001 %
Ethylmethylketone (GC): 0.8 - 1.3 %
Readily carbonizable substances: conforms
Evaporation residue: ≤ 0.001 %
Water: ≤ 0.1 %
Al (Aluminium): ≤ 0.00005 %
B (Boron): ≤ 0.00005 %
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 %
K (Potassium): ≤ 0.0001 %
Mg (Magnesium): ≤ 0.00001 %
Mn (Manganese): ≤ 0.000002 %
Ni (Nickel): ≤ 0.000002 %
Pb (Lead): ≤ 0.00001 %
Sn (Tin): ≤ 0.00001 %
Zn (Zinc): ≤ 0.00001 %

Legal Information

Distribution and use of the following types of ethyl alcohol in Switzerland require a license from the Swiss Federal Alcohol Administration.

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

Safety Information

• pictograms: GHS02,GHS07
• signalword: Danger
• hcodes: H225 - H319
• pcodes: P210 - P233 - P240 - P241 - P242 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 2
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 1
• flash_point_f: 53.6 °F - (ethanol)
• flash_point_c: 12 °C - (ethanol)