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1.00030

Supelco

Acetonitrile

gradient grade for liquid chromatography LiChrosolv® Reag. Ph Eur

Synonym(s):
Cyanomethane, Methyl cyanide, ACN, Ethyl nitrile
Linear Formula:
CH3CN
CAS Number:
Molecular Weight:
41.05
Beilstein:
741857
MDL number:
EC Index Number:
200-835-2

Quality Level

agency

reag. Ph. Eur.

vapor density

1.41 (vs air)

vapor pressure

72.8 mmHg ( 20 °C)
97 hPa ( 20 °C)

product line

LiChrosolv®

grade

gradient grade

assay

≥99.9% (GC)

form

liquid

autoignition temp.

524 °C
973 °F

expl. lim.

16 %

technique(s)

HPLC: suitable
LC/MS: suitable

impurities

≤0.0002 meq/g Acidity
≤0.0002 meq/g Alkalinity
≤0.02% Water

evapn. residue

≤2.0 mg/L

color

APHA: ≤10

transmittance

193 nm, ≥60%
195 nm, ≥80%
230 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.)

storage temp.

2-30°C

SMILES string

CC#N

InChI

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

InChI key

WEVYAHXRMPXWCK-UHFFFAOYSA-N

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Preparation Note

Product filtered through a 0.2 μm filter

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

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Classifications

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

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

35.6 °F - closed cup

Flash Point(C)

2.0 °C - closed cup

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