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1.03649

Ethyl acetate

hypergrade for LC-MS LiChrosolv®

Synonym(s):

Ethyl ethanoate, Acetic ester, Ethyl ester, EtOAc

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About This Item

Linear Formula:
CH3COOC2H5
CAS Number:
141-78-6
Molecular Weight:
88.11
UNSPSC Code:
41116105
NACRES:
NA.03
EC Index Number:
205-500-4
MDL number:
MFCD00009171
Beilstein/REAXYS Number:
506104
Assay:
≥99.8% (GC)
Technique(s):
HPLC: suitable, LC/MS: suitable
Bp:
76.5-77.5 °C (lit.)
Vapor pressure:
73 mmHg ( 20 °C)
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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)

HPLC: suitable, 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

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

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flash_point_f

24.8 °F - closed cup

flash_point_c

-4 °C - closed cup

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

target_organs

Central nervous system

supp_hazards

EUH066

Storage Class

3 - Flammable liquids

wgk

WGK 1

Regulatory Information

危险化学品

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Global Trade Item Number

SKUGTIN
103649100004054839189708
103649250004054839190094