1.00003

Acetonitrile

≥99.5% (GC), ACS reagent, for extraction and analytical purposes, Reag. Ph Eur, EMSURE^®

• Synonym(s): ACN, Cyanomethane, Ethyl nitrile, Methyl cyanide
• Linear Formula: CH₃CN
• CAS Number: 75-05-8
• Molecular Weight: 41.05
• Beilstein/REAXYS Number: 741857
• MDL number: MFCD00001878
• UNSPSC Code: 12191502
• EC Index Number: 200-835-2
• NACRES: NB.21

Properties

• product name: Acetonitrile, for analysis EMSURE^® ACS,Reag. Ph Eur
• grade: ACS reagent; for analytical purposes; for extraction; reagent grade
• Quality Level: 300
• agency: reag. Ph. Eur.
• vapor density: 1.41 (vs air)
• vapor pressure: 72.8 mmHg ( 20 °C); 97 hPa ( 20 °C)
• product line: EMSURE^®
• assay: ≥99.5% (GC)
• form: liquid
• autoignition temp.: 524 °C; 973 °F
• expl. lim.: 16 %
• impurities: ≤0.0001 meq/g Alkalinity; ≤0.0002 meq/g Acidity; ≤0.005% Cyanide (CN); ≤0.1% Water
• evapn. residue: ≤0.001%
• color: clearAPHA: ≤10
• 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.)
• cation traces: Al: ≤0.00005%; B: ≤0.000002%; Ba: ≤0.00001%; Ca: ≤0.00005%; Cd: ≤0.000005%; Co: ≤0.000002%; Cr: ≤0.000002%; Cu: ≤0.000002%; Fe: ≤0.00001%; Mg: ≤0.00001%; Mn: ≤0.000002%; Ni: ≤0.000002%; Pb: ≤0.00001%; Sn: ≤0.00001%; Zn: ≤0.00001%
• SMILES string: CC#N
• application(s): environmental; food and beverages; industrial qc; pharmaceutical; sample preparation
• format: neat
• storage temp.: 2-30°C
• InChI: 1S/C2H3N/c1-2-3/h1H3
• InChI key: WEVYAHXRMPXWCK-UHFFFAOYSA-N

Description

General description

EMSURE grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE provides worldwide best and most extensive product specifications. We declare our EMSURE range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

Application

• Modified QuEChERS method combined with ultra-performance liquid chromatography-tandem mass spectrometry: This research utilizes acetonitrile′s excellent solvent properties for the detection of cyclopiazonic acid in feeds. The method enhances the efficiency and accuracy of chemical analyses in food safety, demonstrating acetonitrile′s pivotal role in ensuring the quality of agricultural products (Peng et al., 2024).


• Liquid Chromatographic Enantioseparation of Newly Synthesized Fluorinated Tryptophan Analogs: Highlighting its use in pharmaceutical research, acetonitrile is employed in the chromatographic enantioseparation of complex amino acids, essential for drug development and molecular pharmacology studies (Tanács et al., 2024).


• Synthesis and Application of 1,8-Naphthalimide Derivatives Fluorescent Probe: Acetonitrile′s versatility is showcased in the synthesis of fluorescent probes for environmental monitoring. Its application in detecting and measuring environmental pollutants highlights its significant impact on ecological research and safety (Negi et al., 2024).

Analysis Note

Purity (GC): ≥ 99.5 %
Identity (IR): conforms
Appearance: clear
Color: ≤ 10 Hazen
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0001 meq/g
Density (d 20 °C/20 °C): 0.782 - 0.783
Refractive index (n 20/D): 1.343 - 1.345
Boiling range (80-82°C): ≥ 95 % (v/v)
Cyanide (CN): ≤ 0.005 %
Al (Aluminium): ≤ 0.00005 %
B (Boron): ≤ 0.000002 %
Ba (Barium): ≤ 0.00001 %
Ca (Calcium): ≤ 0.00005 %
Cd (Cadmium): ≤ 0.000005 %
Co (Cobalt): ≤ 0.000002 %
Cr (Chromium): ≤ 0.000002 %
Cu (Copper): ≤ 0.000002 %
Fe (Iron): ≤ 0.00001 %
Mg (Magnesium): ≤ 0.00001 %
Mn (Manganese): ≤ 0.000002 %
Ni (Nickel): ≤ 0.000002 %
Pb (Lead): ≤ 0.00001 %
Sn (Tin): ≤ 0.00001 %
Zn (Zinc): ≤ 0.00001 %
Evaporation residue: ≤ 0.001 %
Water: ≤ 0.1 %
ACS, Ph Eur-reagent

Legal Information

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

Safety Information

• pictograms: GHS02,GHS07
• signalword: Danger
• hcodes: H225,H302 + H312 + H332,H319
• pcodes: 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: 3 - Flammable liquids
• wgk_germany: WGK 2
• flash_point_f: 35.6 °F - closed cup
• flash_point_c: 2.0 °C - closed cup