1.00859

Ethylene glycol monomethyl ether

for analysis EMSURE^® ACS,Reag. Ph Eur

• Synonym(s): 2-Methoxyethanol, Methyl glycol, Ethylene glycol monomethyl ether
• Linear Formula: CH₃OCH₂CH₂OH
• CAS Number: 109-86-4
• Molecular Weight: 76.09
• Beilstein: 1731074
• MDL number: MFCD00002867
• UNSPSC Code: 12191502
• EC Index Number: 203-713-7
• NACRES: NA.05

Properties

• grade: ACS reagent
• Quality Level: 300
• Agency: reag. Ph. Eur.
• vapor density: 2.62 (vs air)
• vapor pressure: 6.17 mmHg ( 20 °C)
• product line: EMSURE^®
• Assay: ≥99.5% (GC)
• form: liquid
• autoignition temp.: 548 °F
• expl. lim.: 24.5 %
• impurities: ≤0.0005 meq/g Alkalinity; ≤0.001 meq/g Acidity; ≤0.002% Peroxide (as H₂O₂); ≤0.003% Aldehydes (as C<SUB>2</SUB>H<SUB>4</SUB>O); ≤0.1% Water
• evapn. residue: ≤0.003%
• color: clearAPHA: ≤10
• refractive index: n20/D 1.402 (lit.)
• pH: 7 (20 °C)
• kinematic viscosity: 1.6 cSt(20 °C)
• bp: 124-125 °C (lit.)
• mp: −85 °C (lit.)
• transition temp: flash point 37 °C
• density: 0.965 g/mL at 25 °C (lit.)
• cation traces: Al: ≤0.00005%; B: ≤0.000002%; Ba: ≤0.00001%; Ca: ≤0.00005%; Cd: ≤0.000005%; Co: ≤0.000002%; Cr: ≤0.000002%; Cu: ≤0.000002%; Fe: ≤0.00005%; Mg: ≤0.00001%; Mn: ≤0.000002%; Ni: ≤0.000002%; Pb: ≤0.00001%; Sn: ≤0.00001%; Zn: ≤0.00001%
• storage temp.: 2-30°C
• SMILES string: COCCO
• InChI: 1S/C3H8O2/c1-5-3-2-4/h4H,2-3H2,1H3
• InChI key: XNWFRZJHXBZDAG-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

• A Star-Structured Polymer Electrolyte for Low-Temperature Solid-State Lithium Batteries: Ethylene glycol monomethyl ether is used to enhance the performance of solid-state lithium batteries, demonstrating its utility in improving battery technology under low-temperature conditions (Zhang et al., 2024).


• Deliver on a Promise: Hydrogen-Bonded Polymer Nanomedicine with a Precise Ratio of Chemodrug and Photosensitizer for Intelligent Cancer Therapy: Ethylene glycol monomethyl ether′s properties are exploited in the formulation of advanced nanomedicine platforms for targeted cancer therapy, showcasing its potential in high-stakes medical applications (Wu et al., 2024).

Specifications

Saturation Concentration in Air: 33 g/m3 (20 °C)

Analysis Note

Purity (GC): ≥ 99.5 %
Identity (IR): conforms
Appearance: clear
Colour: ≤ 10 Hazen
Acidity: ≤ 0.001 meq/g
Alkalinity: ≤ 0.0005 meq/g
Density (d 20 °C/20 °C): 0.965 - 0.970
Refractive index (n 20/D): 1.402 - 1.404
Boiling point: 124 - 126 °C
Aldehydes (as C₂H₄O): ≤ 0.003 %
Peroxide (as H₂O₂): ≤ 0.002 %
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): ≤ 0.00005 %
Mg (Magnesium): ≤ 0.00001 %
Mn (Manganese): ≤ 0.000002 %
Ni (Nickel): ≤ 0.000002 %
Pb (Lead): ≤ 0.00001 %
Sn (Tin): ≤ 0.00001 %
Zn (Zinc): ≤ 0.00001 %
Evaporation residue: ≤ 0.003 %
Water: ≤ 0.1 %
The product is stabilized with 2,6-Di-tert-butyl-4-methylphenol (BHT).
Corresponds to ACS, Ph Eur-reagent

Legal Information

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

Safety Information

• Pictograms: GHS02,GHS07,GHS08
• Signal Word: Danger
• Hazard Statements: H226 - H302 + H312 + H332 - H360FD - H370 - H373
• Precautionary Statements: P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P312 - P308 + P311
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Flam. Liq. 3 - Repr. 1B - STOT RE 2 - STOT SE 1
• Target Organs: Immune system, thymus
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 104.0 °F - closed cup
• Flash Point(C): 40 °C - closed cup