34888

Acetonitrile

≥99.9% (GC), for HPLC, for UV, suitable for UV/Vis spectroscopy, 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: 12191502
• eCl@ss: 39031501
• PubChem Substance ID: 329755087
• NACRES: NA.03

Properties

• product name: Acetonitrile, for HPLC, for UV, ≥99.9% (GC)
• grade: for HPLC, for UV
• Quality Level: 100
• vapor density: 1.41 (vs air)
• vapor pressure: 72.8 mmHg ( 20 °C)
• Assay: ≥99.9% (GC)
• form: liquid
• autoignition temp.: 973 °F
• expl. lim.: 16 %
• technique(s): HPLC: suitable; UV/Vis spectroscopy: suitable
• impurities: ≤0.0002% free alkali (as NH₃); ≤0.0005% non-volatile matter; ≤0.002% free acid (as CH₃COOH); ≤0.02% water (Karl Fischer); ≤0.5 ppb fluorescence (quinine) at 365 nm; ≤1 ppb fluorescence (quinine) at 254 nm
• transmittance: 195 nm, ≥65%; 200 nm, ≥88%; 210 nm, ≥93%; 235 nm, ≥99%
• 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.)
• format: neat
• SMILES string: CC#N
• InChI: 1S/C2H3N/c1-2-3/h1H3
• InChI key: WEVYAHXRMPXWCK-UHFFFAOYSA-N

Description

Application

• Optimizing corn silage quality during hot summer conditions of the tropics: Details the application of 96% acetic acid in agricultural practices to improve fermentation quality and nutrient stability in silage, contributing to more sustainable farming methods (Khan et al., 2023).

Other Notes

Important notice

• The article number 34888-4X2.5L will be discontinued. Please order the single bottle 34888-2.5L which is physically identical with the same exact specifications.
• The article number 34888-6X1L will be discontinued. Please order the single bottle 34888-1L which is physically identical with the same exact specifications.

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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): 2.0 °C - closed cup