1.01849

tert-Butyl methyl ether

for analysis EMSURE^® ACS

• Synonym(s): tert-Butyl methyl ether, Methyl tert-butyl ether, MTB, MTBE
• Linear Formula: (CH₃)₃COCH₃
• CAS Number: 1634-04-4
• Molecular Weight: 88.15
• MDL number: MFCD00008812
• UNSPSC Code: 12191502
• EC Index Number: 216-653-1

Properties

• grade: ACS reagent
• Quality Level: 300
• vapor pressure: 268 hPa ( 20 °C)
• product line: EMSURE^®
• Assay: ≥99.5% (GC)
• form: liquid
• autoignition temp.: 460 °C
• potency: >2000 mg/kg LD₅₀, oral (Rat); >2000 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 1.5-8.5 % (v/v)
• impurities: ≤0.000002% B (Boron); ≤0.000002% Co (Cobalt); ≤0.000005% Cd (Cadmium); ≤0.00001% Ba (Barium); ≤0.00005% Al (Aluminium); ≤0.00005% Ca (Calcium); ≤0.0001% Peroxide (as H2O2); ≤0.0005 meq/g Acidity; ≤0.03% Water
• evapn. residue: ≤0.001%
• color: APHA: ≤10
• kinematic viscosity: 0.464 cSt(20 °C)
• bp: 55.3 °C/1013 hPa
• mp: -108.6 °C
• transition temp: flash point -28 °C
• density: 0.74 g/cm³ at 20 °C
• 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: ≤0.00001%; Mg: ≤0.00001%; Mn: ≤0.000002%; Ni: ≤0.000002%; Pb: ≤0.00001%; Sn: ≤0.00001%; Zn: ≤0.00001%
• storage temp.: 2-30°C
• InChI: 1S/C5H12O/c1-5(2,3)6-4/h1-4H3
• InChI key: BZLVMXJERCGZMT-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

• Application of liquid chromatography coupled to data-independent acquisition mass spectrometry for the metabolic profiling of N-ethyl heptedrone.: This study utilized liquid chromatography-mass spectrometry to perform metabolic profiling, highlighting the advanced analytical capabilities of tert-Butyl methyl ether in complex sample analysis. The research demonstrated its efficacy in detecting various metabolites, contributing to the development of high-throughput analytical techniques (Mazzarino et al., 2021).


• Extraction of Lipids from Liquid Biological Samples for High-Throughput Lipidomics.: This paper explored the use of tert-Butyl methyl ether for lipid extraction from biological samples, facilitating high-throughput lipidomic analyses. The method′s efficiency and reliability were demonstrated, making it valuable for large-scale biochemical studies (Furse et al., 2020).


• A sensitive and efficient procedure for the high-throughput determination of nine urinary metabolites of pyrethroids by GC-MS/MS and its application in a sample of Japanese children.: This research presented a high-throughput method for analyzing urinary metabolites using GC-MS/MS, where tert-Butyl methyl ether played a crucial role in sample preparation. The study emphasized the method′s sensitivity and applicability in large-scale population studies (Ueda et al., 2018).


• Determination of ochratoxin A in baby food by immunoaffinity column cleanup with liquid chromatography: interlaboratory study.: This study employed tert-Butyl methyl ether in the cleanup process for ochratoxin A detection in baby food, demonstrating its utility in ensuring food safety through robust analytical techniques (Burdaspal et al., 2001).

Analysis Note

Purity (GC): ≥ 99.5 %
Identity (IR): conforms
Color: ≤ 10 Hazen
Acidity: ≤ 0.0005 meq/g
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 %
Peroxide (as H₂O₂): ≤ 0.0001 %
Evaporation residue: ≤ 0.001 %
Water: ≤ 0.03 %

Legal Information

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

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Danger
• Hazard Statements: H225 - H315
• Precautionary Statements: P210 - P233 - P240 - P241 - P242 - P303 + P361 + P353
• Hazard Classifications: Flam. Liq. 2 - Skin Irrit. 2
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 1
• Flash Point(F): -18.4 °F - closed cup
• Flash Point(C): -28 °C - closed cup