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360457
Acetonitrile
≥99.5%, ACS reagent
Synonym(s):
ACN, Cyanomethane, Ethyl nitrile, Methyl cyanide
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About This Item
Linear Formula:
CH3CN
CAS Number:
Molecular Weight:
41.05
Beilstein:
741857
EC Number:
MDL number:
UNSPSC Code:
12191502
eCl@ss:
39031501
PubChem Substance ID:
NACRES:
NA.21
grade:
ACS reagent
Assay:
≥99.5%
bp:
81-82 °C (lit.)
vapor pressure:
72.8 mmHg ( 20 °C)
Pricing and availability is not currently available.
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Product Name
Acetonitrile, ACS reagent, ≥99.5%
grade
ACS reagent
Quality Level
100
200
vapor density
1.41 (vs air)
vapor pressure
72.8 mmHg ( 20 °C)
Assay
≥99.5%
form
liquid
autoignition temp.
973 °F
expl. lim.
16 %
impurities
≤0.3% water
≤0.6 μeq/g Titr. base
≤8 μeq/g Titr. acid
evapn. residue
≤0.005%
color
APHA: ≤10
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
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General description
Acetonitrile (MeCN, ACN) is an aliphatic nitrile that is commonly used as a reaction solvent as well as a chemical intermediate in organic synthesis. In many chromatographic techniques, MeCN is used as a mobile phase solvent due to its low viscosity, high elution strength, and miscibility in water.
Application
Acetonitrile can be used as a solvent in:
- The solid-phase peptide synthesis.
- The sialylation reactions.
- The synthesis of copper nanoparticles by reduction of copper nitrate salt using NaBH4. During the preparation, ACN acts as a protecting solvent, which prevents the oxidation of nanoparticles.
- The preparation of diaryl selenides by Cu-catalyzed coupling reaction between aryl iodides and diphenyl diselenide. In this process, ACN also functions as a ligand for the copper catalyst to increase its catalytic activity.
Features and Benefits
ACS solvents meet or exceed the high standards of the American Chemical Society (ACS) ,with test specifications that are specialized to every compound. According to the American Chemical Society, ACS reagent grade implies that it is a substance of sufficient purity to be used in most chemical analyses or reactions.
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Signal Word
Danger
Hazard Statements
Precautionary Statements
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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