TERT-BUTYL METHYL ETHER FOR SPECTROSCOPY

General description

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.

Analysis Note

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

Legal Information

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

Molecular Weight: 88.15. Empirical Formula: C₅H₁₂O. linearFormula: (CH₃)₃COCH₃. vapor pressure: 268 hPa ( 20 °C). Quality Level: 100. Assay: ≥. 99.9% (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). technique(s): UV/Vis spectroscopy: suitable. impurities: ≤. 0.0002 . meq/g Acidity, ≤. 0.0002 . meq/g Alkalinity, ≤. 0.01% Water. evapn. residue: ≤. 0.0002%. color: APHA: ≤. 10. transmittance: 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. transition temp: flash point -28 . °C. density: 0.74 . g/cm³ . at 20 . °C. UV absorption: 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. storage temp.: 2-30°C. InChI: 1S/C5H12O/c1-5(2,3)6-4/h1-4H3. InChI key: BZLVMXJERCGZMT-UHFFFAOYSA-N. 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.