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Ethyl acetate

for spectroscopy Uvasol®

Synonym: EtOAc, Ethyl ethanoate, Acetic ester, Ethyl ester

  • CAS Number 141-78-6

  • Linear Formula CH3COOC2H5

  • Molecular Weight 88.11

  •  Beilstein/REAXYS Number 506104

  •  MDL number MFCD00009171

  •  EC Index Number 205-500-4

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Properties

Related Categories Solvent by Application, Solvents, Spectrophotometric Solvents, Spectroscopy Solvents (IR, NMR, UV/Vis)
Quality Level   100
vapor density   3 (20 °C, vs air)
vapor pressure   73 mmHg ( 20 °C)
assay   ≥99.9% (GC)
form   liquid
autoignition temp.   801 °F
potency   5620 mg/kg LD50, oral (Rat)
  >18000 mg/kg LD50, skin (Rabbit)
expl. lim.   2.2-11.5 %, 38 °F
application(s)   UV/Vis spectroscopy: suitable
refractive index   n20/D 1.3720 (lit.)
bp   76.5-77.5 °C (lit.)
mp   −84 °C (lit.)
transition temp   flash point -4 °C
solubility   85.3 g/L
density   0.902 g/mL at 25 °C (lit.)
SMILES string   CCOC(C)=O
InChI   1S/C4H8O2/c1-3-6-4(2)5/h3H2,1-2H3
InChI key   XEKOWRVHYACXOJ-UHFFFAOYSA-N
storage conditions   Store at +2°C to +25°C.

Description

General description

Accurate analytic results in UV/VIS and infrared spectroscopy depend on the use of very pure solvents for sample preparation. The Uvasol 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 solvents offer best UV transmittance. In all specifications the minimum transmittance for 5 typical wavelengths are identified. Furthermore the transmittance is specified in accordance with Reag. Ph Eur and ACS.

Analysis Note

Purity (GC): ≥ 99.9 %
Evaporation residue: ≤ 0.0002 %
Water: ≤ 0.01 %
Color: ≤ 10 Hazen
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Fluorescence (as quinine at 254 nm): ≤ 2.0 ppb
Fluorescence (as quinine at 365 nm): ≤ 1.0 ppb
Transmission (at 255 nm): ≥ 20 %
Transmission (at 260 nm): ≥ 75 %
Transmission (at 263 nm): ≥ 80 %
Transmission (at 265 nm): ≥ 90 %
Transmission (from 270 nm): ≥ 98 %
Absorbance (at 255 nm): ≤ 0.70
Absorbance (at 260 nm): ≤ 0.13
Absorbance (at 263 nm): ≤ 0.10
Absorbance (at 265 nm): ≤ 0.05
Absorbance (from 270 nm): ≤ 0.01
Meet the requirements of "Specific use spectroscopy" according ACS

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

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Protocols & Articles

Articles

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Keywords: Evaporation, Infrared spectroscopy, Purification, Sample preparations, Solvents, Spectroscopy

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