Acetonitrile, C2H3N

CAS Number : 75-05-8
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Overview

Molecular Formula C2H3N
Chemical Name ACETONITRILE, Cyanomethane

Description

Acetonitrile appears as a colorless limpid liquid with an aromatic odor. Flash point 42 °F. Density 0.783 g / cm3. Toxic by skin absorption. Less dense than water. Vapors are denser than air.

Acetonitrile is a nitrile that is hydrogen cyanide in which the hydrogen has been replaced by a methyl group. It has a role as a polar aprotic solvent and an EC 3.5.1.4 (amidase) inhibitor. It is an aliphatic nitrile and a volatile organic compound.

Acetonitrile has many uses, including as a solvent, for spinning fibers, and in lithium batteries. It is primarily found in air from automobile exhaust and manufacturing facilities. Acute (short-term) inhalation exposure results in irritation of mucous membranes. Chronic (long-term) exposure results in central nervous system effects, such as headaches, numbness, and tremors. No data are available on its carcinogenic effects in humans; EPA has classified it as a Group D, not classifiable as to human carcinogenicity.

Acetonitrile is a chemical compound of cyanide.

C2H3N

CH3CN

C2H3N

CH3CN

Properties

Property Value
Molecular Weight (g/mol) 41.05
SMILES Notation CC#N
InChI String InChI=1S/C2H3N/c1-2-3/h1H3
InChI Key WEVYAHXRMPXWCK-UHFFFAOYSA-N
IUPAC Name acetonitrile
Exact Mass (g/mol) 41.026549100
Monoisotopic Mass (g/mol) 41.026549100
Topological Polar Surface Area (Ų) 23.8
Molecular Complexity 29
Hydrogen Bond Acceptor Count 1
Heavy Atom Count 3
Synonyms ACETONITRILE,
Cyanomethane,
75-05-8,
Methyl cyanide,
Ethanenitrile,
Ethyl nitrile,
Methane, cyano-,
Methanecarbonitrile,
Acetonitril,
Cyanure de methyl,
Methylkyanid,
MeCN,
USAF EK-488,
RCRA waste number U003,
Methylkyanid [Czech],
NCI-C60822,
148642-19-7,
NCMe,
Cyanure de methyl [French],
Acetonitril [German, Dutch],
HSDB 42,
Acetonitrile, anhydrous,
CCRIS 1628,
CH3CN,
NSC 7593,
EINECS 200-835-2,
UNII-Z072SB282N,
Acetonitrile with 0.1% ammonium acetate,
DTXSID7020009,
CHEBI:38472,
AI3-00327,
Z072SB282N,
NSC-7593,
MFCD00001878,
DTXCID909,
UN1648,
CH3-C#N,
EC 200-835-2,
ACETONITRILE WITH 0.1per cent AMMONIUM ACETATE,
Acetonitrile-1-13C,
ACETONITRILE (II),
ACETONITRILE [II],
Acetonitrile [UN1648] [Flammable liquid],
ACETONITRILE (MART.),
ACETONITRILE [MART.],
Acetonitril (GERMAN, DUTCH),
Acetonitrile, for DNA synthesis,
acetnitrile,
Ethanonitrile,
Acetonitrile (anhydrous, 99.8%),
CCN,
Acetonitrile, for HPLC, gradient grade, >=99.9%,
RCRA waste no. U003,
acetonitile,
acetonitnle,
acetonitriie,
acteonitril,
acteonitrile,
actonitrile,
methylcyanide,
methylnitrile,
ace-tonitrile,
aceto-nitrile,
acetonitrile-,
Acetonitrile ACS,
CC.equiv.N,
Acetonitrile LC-MS,
Acetonitrile HPLC grade,
H3CCN,
ACETONITRILE [MI],
Acetonitrile, LCMS grade,
ACETONITRILE CLUSTER,
bmse000826,
bmse000896,
ACETONITRILE [HSDB],
Acetonitrile, HPLC Reagent,
WLN: NC1,
Acetonitrile, >=99.5%,
ACETONITRILE [USP-RS],
Acetonitrile, puriss., 95%,
CHEMBL45211,
METHYL CYANIDE (MECN),
Acetonitrile, for chromatography,
Acetonitrile UV/HPLC ACS grade,
Acetonitrile, analytical standard,
Acetonitrile [for HPLC Solvent],
Acetonitrile for preparative HPLC,
Acetonitrile, anhydrous, <30ppm,
Acetonitrile, AR, >=99.5%,
Acetonitrile, Environmental Grade,
DTXSID20183561,
NSC7593,
Acetonitrile, anhydrous, 99.8%,
Acetonitrile, >=99.5% (GC),
Acetonitrile, HPLC gradient Grade,
STR02933,
Acetonitrile [for Spectrophotometry],
Acetonitrile, far UV/gradient grade,
Tox21_202481,
Acetonitrile, HPLC Grade (Far UV),
Acetonitrile, p.a., dry, 99.9%,
Acetonitrile, ReagentPlus(R), 99%,
c1151,
STL283937,
Acetonitrile, Spectrophotometric Grade,
Acetonitrile, >=99.8%, for HPLC,
Acetonitrile, for HPLC, >=99.9%,
AKOS000269067,
InChI=1/C2H3N/c1-2-3/h1H,
Acetonitrile, HPLC Plus, >=99.9%,
NA 1648,
UN 1648,
Acetonitrile, >=99.5%, ACS reagent,
Acetonitrile, ACS reagent, >=99.5%,
Acetonitrile, AldraSORB(TM), 99.8%,
Acetonitrile, purum, >=99.0% (GC),
CAS-75-05-8,
ACETONITRILE (2-13C, 99%),
Acetonitrile (for HPLC) isocratic grade,
Acetonitrile, HPLC grade, >=99.93%,
NCGC00091552-01,
NCGC00260030-01,
Acetonitrile 1000 microg/mL in Methanol,
Acetonitrile, purification grade, 99.8%,
Ultrapure Acetonitrile, for DNA synthesis,
Acetonitrile, biotech. grade, >=99.93%,
Acetonitrile, p.a., ACS reagent, 99.8%,
Acetonitrile, SAJ first grade, >=99.0%,
A0060,
A0293,
A0793,
Acetonitrile, JIS special grade, >=99.5%,
NS00002918,
Acetonitrile, anhydrous, ZerO2(TM), 99.8%,
EN300-21632,
Acetonitrile, for HPLC-GC, >=99.8% (GC),
Acetonitrile, for UHPLC, for mass spectrometry,
Acetonitrile, Supergradient HPLC Grade (Far UV),
Acetonitrile, spectrophotometric grade, >=99.5%,
Q408047,
Acetonitrile, for HPLC, for UV, >=99.9% (GC),
Acetonitrile, puriss. p.a., ACS reagent, 99.8%,
Acetonitrile, for preparative HPLC, >=99.8% (GC),
Acetonitrile, for synthesis of DNA, >=99.9% (GC),
Acetonitrile with 0.1% Trifluoroacetic acid, LC-MS Grade,
Acetonitrile, electronic grade, 99.999% trace metals basis,
Acetonitrile, for HPLC, gradient grade, >=99.9% (GC),
Acetonitrile, for HPLC, gradient grade, >=99.90% (GC),
Acetonitrile, puriss. p.a., ACS reagent, >=99.5% (GC),
Acetonitrile with 0.1% ammonium acetate, tested for UHPLC-MS,
Acetonitrile, for protein sequence analysis, >=99.8% (GC),
Acetonitrile, Vetec(TM) reagent grade, anhydrous, >=99.8%,
Acetonitrile, Preparateur, >=99.9% (GC), Customized plastic drum,
Acetonitrile, puriss. p.a., ACS reagent, reag. Ph. Eur., >=99.5% (GC),
Acetonitrile, Pharmaceutical Secondary Standard; Certified Reference Material,
Acetonitrile, Preparateur, >=99.9% (GC), One-time steel-plastic (SP) drum,
Alcohol Determination - Acetonitrile, United States Pharmacopeia (USP) Reference Standard,
200-835-2,
Acetonitrile for oligo synthesis (Water < 10 ppm) NC-0609 2.5L 4 GL45 thread 4 L US38 thread, emp Biotech GmbH,
Acetonitrile for oligo synthesis (Water content < 20 ppm) 2.5L GL45 thread, 4L US38 thread emp Biotech GmbH, NC-0602,
Residual Solvent - Acetonitrile, Pharmaceutical Secondary Standard; Certified Reference Material,
Residual Solvent Class 2 - Acetonitrile, United States Pharmacopeia (USP) Reference Standard