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Merck

1.14291

Acetonitrile

≥99.8% (GC), HPLC grade, isocratic grade, suitable for HPLC, LiChrosolv®

Synonym(s):

ACN, Cyanomethane, Ethyl nitrile, Methyl cyanide

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About This Item

Linear Formula:
CH3CN
CAS Number:
75-05-8
Molecular Weight:
41.05
NACRES:
NA.03
EC Index Number:
200-835-2
UNSPSC Code:
12191502
MDL number:
MFCD00001878
Beilstein/REAXYS Number:
741857
Grade:
HPLC grade
Assay:
≥99.8% (GC)
Technique(s):
HPLC: suitable
Application(s):
PFAS testing
Bp:
81-82 °C (lit.)
Vapor pressure:
72.8 mmHg ( 20 °C)
97 hPa ( 20 °C)

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Product Name

Acetonitrile, isocratic grade for liquid chromatography LiChrosolv®

InChI

1S/C2H3N/c1-2-3/h1H3

SMILES string

CC#N

InChI key

WEVYAHXRMPXWCK-UHFFFAOYSA-N

grade

HPLC grade

vapor density

1.41 (vs air)

vapor pressure

72.8 mmHg ( 20 °C)
97 hPa ( 20 °C)

description

isocratic

product line

LiChrosolv®

assay

≥99.8% (GC)

form

liquid

autoignition temp.

524 °C
973 °F

expl. lim.

16 %

technique(s)

HPLC: suitable

impurities

≤0.0002 meq/g Alkalinity
≤0.0005 meq/g Acidity
≤0.05% Water

evapn. residue

≤4.0 mg/L

transmittance

195 nm, ≥70%
200 nm, ≥90%
240 nm, ≥98%

refractive index

n20/D 1.344 (lit.)

bp

81-82 °C (lit.)

mp

−45 °C (lit.)

transition temp

flash point 2 °C

density

0.786 g/mL at 25 °C (lit.)

application(s)

PFAS testing

format

neat

storage temp.

2-30°C

Quality Level

100

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Analysis Note

Purity (GC): ≥ 99.8 %
Identity (IR): conforms
Evaporation residue: ≤ 4.0 mg/l
Water: ≤ 0.05 %
Acidity: ≤ 0.0005 meq/g
Alkalinity: ≤ 0.0002 meq/g
Transmission (at 195 nm): ≥ 70 %
Transmission (at 200 nm): ≥ 90 %
Transmission (from 240 nm): ≥ 98 %
Filtered by 0.2 µm filter

Application

Acetonitrile is used as a solvent:
  • In mobile phase in reversed-phase high-performance liquid chromatography (RP-HPLC) method.
  • In reversed-phase HPLC with an isocratic mode for determining Sudan dyes in chili- and curry-containing foodstuffs.

Features and Benefits

  • microfiltered by 0.2 µm filter
  • high resolution, sensitivity and optimized peak baseline separation

General description

With their high degree of UV transmittance, low particle count, low acidity and alkalinity and low evaporation residue level, LiChrosolv® solvents are ideal for reproducible separations. Since separations are normally carried out under gradient conditions in analytical HPLC, solvents in"gradient grade" as well as "isocratic grade" are appropriate for use. This enables to minimize the gradient effect of the solvent involved.

Other Notes

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

Preparation Note

Product filtered through a 0.2 μm filter

Legal Information

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

signalword

Danger

pictograms

FlameExclamation mark
GHS02,GHS07

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

35.6 °F - closed cup

flash_point_c

2.0 °C - closed cup

Certificates of Analysis (COA)

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