Description
Ethyl acetate, hypergrade for LC-MS LiChrosolv®
Synonym(s):
Ethyl ethanoate, Acetic ester, Ethyl ester, EtOAc
Linear Formula:
CH3COOC2H5
CAS Number:
141-78-6
Molecular Weight:
88.11
Beilstein:
506104
MDL number:
MFCD00009171
EC Index Number:
205-500-4
PROPERTIES
vapor density
3 (20 °C, vs air)
Quality Level
100
vapor pressure
73 mmHg ( 20 °C)
product line
LiChrosolv®
assay
≥99.8% (GC)
form
liquid
autoignition temp.
801 °F
expl. lim.
2.2-11.5 %, 38 °F
technique(s)
LC/MS: suitable
impurities
≤0.0002 meq/g Acidity
≤0.0002 meq/g Alkalinity
≤0.05% Water
≤10 ppb Al (Aluminium)
≤10 ppb Ca (Calcium)
≤10 ppb Fe (Iron)
≤10 ppb Mg (Magnesium)
≤5 ppb K (Potassium)
≤50 ppb Na (Sodium)
evapn. residue
≤2.0 mg/L
transmittance
260 nm, ≥50%
265 nm, ≥80%
270 nm, ≥98%
refractive index
n20/D 1.3720 (lit.)
bp
76.5-77.5 °C (lit.)
mp
−84 °C (lit.)
transition temp
flash point -4 °C
density
0.902 g/mL at 25 °C (lit.)
storage temp.
2-30°C
SMILES string
CCOC(C)=O
InChI
1S/C4H8O2/c1-3-6-4(2)5/h3H2,1-2H3
InChI key
XEKOWRVHYACXOJ-UHFFFAOYSA-N
General description
The product is a high purity solvent that ensures baseline stability, lowest impurity levels and high UV transmittance in LC-MS applications.
Application
Intended for HPLC or LC-MS, either as an extraction solvent or as a mobile phase.
Packaging
2.5 l in Glass bottle
Features and Benefits
- no ghost peaks
- full reproducibility
- extends the lifetime of columns
- optimized and tested for LC-MS applications
- minimal background ion suppression
- reduced risk of contamination
- less exposure to hazardous chemicals
Preparation Note
Product filtered through a 0.2 μm filter
Analysis Note
Purity (GC): ≥ 99.8 %
Identity (IR): conforms
Evaporation residue: ≤ 2.0 mg/l
Water: ≤ 0.05 %
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Al (Aluminium): ≤ 10 ppb
Ca (Calcium): ≤ 10 ppb
Fe (Iron): ≤ 10 ppb
K (Potassium): ≤ 5 ppb
Mg (Magnesium): ≤ 10 ppb
Na (Sodium): ≤ 50 ppb
Transmission (at 260 nm): ≥ 50 %
Transmission (at 265 nm): ≥ 80 %
Transmission (from 270 nm): ≥ 98 %
Suitable for LC-MS; Intensity of background mass peak based on reserpine(APCI/ESI positive): ≤ 2 ppb
Suitable for LC-MS; Intensity of background mass peak based on reserpine(APCI/ESI negative): ≤ 20 ppb
Filtered by 0.2 μm filter.
Identity (IR): conforms
Evaporation residue: ≤ 2.0 mg/l
Water: ≤ 0.05 %
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Al (Aluminium): ≤ 10 ppb
Ca (Calcium): ≤ 10 ppb
Fe (Iron): ≤ 10 ppb
K (Potassium): ≤ 5 ppb
Mg (Magnesium): ≤ 10 ppb
Na (Sodium): ≤ 50 ppb
Transmission (at 260 nm): ≥ 50 %
Transmission (at 265 nm): ≥ 80 %
Transmission (from 270 nm): ≥ 98 %
Suitable for LC-MS; Intensity of background mass peak based on reserpine(APCI/ESI positive): ≤ 2 ppb
Suitable for LC-MS; Intensity of background mass peak based on reserpine(APCI/ESI negative): ≤ 20 ppb
Filtered by 0.2 μm filter.
Legal Information
LICHROSOLV is a registered trademark of Merck KGaA, Darmstadt, Germany