34851-M

Acetonitrile

≥99.9%, gradient grade, suitable for HPLC

• Synonym(s): ACN, Cyanomethane, Ethyl nitrile, Methyl cyanide
• Linear Formula: CH₃CN
• CAS Number: 75-05-8
• Molecular Weight: 41.05
• Beilstein: 741857
• EC Number: 200-835-2
• MDL number: MFCD00001878
• UNSPSC Code: 12190000
• eCl@ss: 39031501
• PubChem Substance ID: 329755061
• grade: gradient grade
• Assay: ≥99.9%
• technique(s): HPLC: suitable
• bp: 81-82 °C (lit.)
• vapor pressure: 72.8 mmHg ( 20 °C)

Properties

• Product Name: Acetonitrile, suitable for HPLC, gradient grade, ≥99.9%
• grade: gradient grade
• vapor density: 1.41 (vs air)
• vapor pressure: 72.8 mmHg ( 20 °C)
• Assay: ≥99.9%
• form: liquid
• autoignition temp.: 973 °F
• expl. lim.: 16 %
• baseline drift measuring range: ≤15 mAU (210 nm)
• technique(s): HPLC: suitable
• impurities: ≤0.0002% free alkali (as NH₃); ≤0.0005% non-volatile matter; ≤0.001% free acid (as CH₃COOH); ≤0.02% water (Karl Fischer); ≤0.5 ppb fluorescence (quinine) at 365 nm; ≤1 ppb fluorescence (quinine) at 254 nm
• refractive index: n20/D 1.344 (lit.)
• bp: 81-82 °C (lit.)
• mp: −45 °C (lit.)
• density: 0.786 g/mL at 25 °C (lit.)
• HPLC-gradient: ≤0.5 mAU at 254 nm; ≤3 mAU at 210 nm
• UV absorption: λ: 195 nm A_max: ≤0.12; λ: 200 nm A_max: ≤0.032; λ: 230 nm A_max: ≤0.0044; λ: 235 nm A_max: ≤0.0044; λ: 250 nm A_max: ≤0.0044; λ: 400 nm A_max: ≤0.0044
• format: neat
• SMILES string: CC#N
• InChI: 1S/C2H3N/c1-2-3/h1H3
• InChI key: WEVYAHXRMPXWCK-UHFFFAOYSA-N

Description

General description

Acetonitrile (MeCN) is widely employed as a solvent in various studies and has high dielectric constant (37.5). Various purification procedures to obtain different grades of acetonitrile for use in different studies (polarography, spectroscopy, etc.) have been reported by many researchers.

Application

Acetonitrile (MeCN) may be used as an extraction solvent during the quantification of pesticide residues in fruits and vegetables.

Packaging

View returnable container options.

Preparation Note

Product filtered through a 0.2 μm filter

Other Notes

Pure-Pac^® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723.

Important notice
This product will be phased out towards early 2019. There is a replacement product available : 34851

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Legal Information

Pure-Pac is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Danger
• Hazard Statements: H225,H302 + H312 + H332,H319
• Precautionary Statements: P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P312 - P305 + P351 + P338
• 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 °C - closed cup