1.03649

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
• UNSPSC Code: 41116105
• EC Index Number: 205-500-4
• NACRES: NA.03

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.)
• format: neat
• 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

Description

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.

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.

Other Notes

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

Legal Information

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

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Danger
• Hazard Statements: H225 - H319 - H336
• Precautionary Statements: P210 - P233 - P240 - P241 - P242 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
• Target Organs: Central nervous system
• Supplementary Hazards: EUH066
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 1
• Flash Point(F): 24.8 °F
• Flash Point(C): -4 °C