1.01984

tert-Butyl methyl ether

for spectroscopy Uvasol^®

• 別名: tert-Butyl methyl ether, MTBE, MTB, 2-Methoxy-2-methylpropane, Methyl tert-butyl ether
• 化学式: (CH₃)₃COCH₃
• CAS番号: 1634-04-4
• 分子量: 88.15
• MDL番号: MFCD00008812
• UNSPSCコード: 12191502
• EC Index Number: 216-653-1
• NACRES: NA.03

特性

• 蒸気圧: 268 hPa ( 20 °C)
• 品質水準: 100
• アッセイ: ≥99.9% (GC)
• 形状: liquid
• 自己発火温度: 460 °C
• 有効性: >2000 mg/kg LD₅₀, oral (Rat); >2000 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 1.5-8.5 % (v/v)
• テクニック: UV/Vis spectroscopy: suitable
• 不純物: ≤0.0002 meq/g Acidity; ≤0.0002 meq/g Alkalinity; ≤0.01% Water
• 蒸発残留物質: ≤0.0002%
• 色: APHA: ≤10
• 透過率: 215 nm, ≥40%; 235 nm, ≥55%; 240 nm, ≥60%; 255 nm, ≥85%; 260 nm, ≥90%; 280 nm, ≥98%
• kinematic viscosity: 0.409 cSt(40 °C)
• bp: 55.3 °C/1013 hPa
• mp: -108.6 °C
• 転移温度: flash point -28 °C
• 密度: 0.74 g/cm³ at 20 °C
• UV吸収: λ: 215 nm A_max: ≤0.40; λ: 235 nm A_max: ≤0.26; λ: 240 nm A_max: ≤0.22; λ: 255 nm A_max: ≤0.07; λ: 260 nm A_max: ≤0.05; λ: 280 nm A_max: ≤0.01
• 保管温度: 2-30°C
• InChI: 1S/C5H12O/c1-5(2,3)6-4/h1-4H3
• InChI Key: BZLVMXJERCGZMT-UHFFFAOYSA-N

詳細

詳細

Accurate analytic results in UV/VIS and infrared spectroscopy depend on the use of very pure solvents for sample preparation. The Uvasol<TMSYMBOL></TMSYMBOL> solvents range has been specially designed for spectroscopy and other applications requiring solvents of the highest spectral purity. The refinement process allows a greater degree of security in applications and avoids misinterpretation of analytical results caused by traces of UV, IR and fluorescence contamination. Uvasol<TMSYMBOL></TMSYMBOL> solvents offer best UV transmittance. In all specifications the minimum transmittance for 5 typical wavelengths are identified.

アプリケーション

• Numerical Simulation of HCCI Combustion Fuelled with Gasoline + Methyl Tert-Butyl Ether Blend.: This study uses numerical simulations to investigate the effects of adding MTBE to gasoline in homogeneous charge compression ignition (HCCI) engines, highlighting improvements in combustion efficiency and emissions reduction (Dadapeer et al., 2022).


• INFLUENCE OF NANO CERIUM OXIDE IN EMISSION REDUCTION WITH METHYL TERT-BUTYL ETHER - GASOLINE BLENDS AT HCCI ENGINE.: This paper investigates the impact of nano cerium oxide on reducing emissions in gasoline blends with MTBE in HCCI engines, showing significant improvements in emission reduction (International Journal of Renewable Energy Research, 2023).


• Pt/Au Nanoparticles@Co3O4 Cataluminescence Sensor for Rapid Analysis of Methyl Sec-Butyl Ether Impurity in Methyl Tert-Butyl Ether Gasoline Additive.: This research presents a sensor based on Pt/Au nanoparticles for detecting MSBE impurities in MTBE, offering a rapid and reliable method for ensuring the purity of MTBE gasoline additives (Shi et al., 2022).

アナリシスノート

Purity (GC): ≥ 99.9 %
Evaporation residue: ≤ 0.0002 %
Water: ≤ 0.01 %
Colour: ≤ 10 Hazen
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Fluorescence (as quinine at 254 nm): ≤ 1.0 ppb
Fluorescence (as quinine at 365 nm): ≤ 1.0 ppb
Transmission (at 215 nm): ≥ 40 %
Transmission (at 235 nm): ≥ 55 %
Transmission (at 240 nm): ≥ 60 %
Transmission (at 255 nm): ≥ 85 %
Transmission (at 260 nm): ≥ 90 %
Transmission (from 280 nm): ≥ 98 %
Absorbance (at 215 nm): ≤ 0.40
Absorbance (at 235 nm): ≤ 0.26
Absorbance (at 240 nm): ≤ 0.22
Absorbance (at 255 nm): ≤ 0.07
Absorbance (at 260 nm): ≤ 0.05
Absorbance (from 280 nm): ≤ 0.01
Meet the requirements of "Specific use spectroscopy" according ACS and Reag. Ph Eur

その他情報

Explore various lab safety accessories and equipment for safe handling of solvents to increase your safety level from the first usage.

法的情報

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

安全性情報

• ピクトグラム: GHS02,GHS07
• シグナルワード: Danger
• 危険有害性情報: H225 - H315
• 注意書き: P210 - P233 - P240 - P241 - P242 - P303 + P361 + P353
• 危険有害性の分類: Flam. Liq. 2 - Skin Irrit. 2
• 保管分類コード: 3 - Flammable liquids
• WGK: WGK 1
• 引火点(°F): -18.4 °F - closed cup
• 引火点(℃): -28 °C - closed cup