gradient grade for liquid chromatography LiChrosolv® Reag. Ph Eur

Cyanomethane, Methyl cyanide, ACN, Ethyl nitrile
Linear Formula:
CAS Number:
Molecular Weight:
Beilstein/REAXYS Number:
MDL number:
EC Index Number:
Pricing and availability is not currently available.

storage conditions

Store at +5°C to +30°C.

Quality Level


reag. Ph. Eur.

vapor density

1.41 (vs air)

vapor pressure

72.8 mmHg ( 20 °C)
97 hPa ( 20 °C)


≥99.9% (GC)



autoignition temp.

524 °C
973 °F

expl. lim.

16 %


LC/MS: suitable

refractive index

n20/D 1.344 (lit.)


81-82 °C (lit.)


−45 °C (lit.)

transition temp

flash point 2 °C


0.786 g/mL at 25 °C (lit.)

SMILES string




InChI key


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Analysis Note

Purity (GC): ≥ 99.9 %
Identity (IR): conforms
Evaporation residue: ≤ 2.0 mg/l
Water: ≤ 0.02 %
Color: ≤ 10 Hazen
Density (d 20 °C/20 °C): 0.78
Refractive index (n 20/D): 1.344
Boiling range (80-82°C): ≥ 95 % (v/v)
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Gradient grade (at 210 nm): ≤ 1.0 mAU
Gradient grade (at 254 nm): ≤ 0.5 mAU
Fluorescence (as quinine at 254 nm): ≤ 1.0 ppb
Fluorescence (as quinine at 365 nm): ≤ 0.5 ppb
Transmission (at 193 nm): ≥ 60 %
Transmission (at 195 nm): ≥ 80 %
Transmission (from 230 nm): ≥ 98 %
Filtered by 0.2 µm filter.
Suitable for UPLC / UHPLC /Ultra HPLC - instruments.
Conforms to Acetonitrile for chromatography and Acetonitrile R1 according to Reag.Ph Eur;
conforms to the requirements of ACS for liquid chromatography suitability.

Legal Information

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