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Sigma-Aldrich

Acetonitrile

≥99.5%, ACS reagent

Sinonimo/i:

ACN, Cianometano, Cianuro di metile, Etilnitrile

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About This Item

Formula condensata:
CH3CN
Numero CAS:
75-05-8
Peso molecolare:
41.05
Beilstein:
741857
Numero CE:
200-835-2
Numero MDL:
MFCD00001878
Codice UNSPSC:
12191502
eCl@ss:
39031501
ID PubChem:
329755257
NACRES:
NA.21

product name

Acetonitrile, ACS reagent, ≥99.5%

Grado

ACS reagent

Livello qualitativo

100
200

Densità del vapore

1.41 (vs air)

Tensione di vapore

72.8 mmHg ( 20 °C)

Saggio

≥99.5%

Forma fisica

liquid

Temp. autoaccensione

973 °F

Limite di esplosione

16 %

Impurezze

≤0.3% water
≤0.6 μeq/g Titr. base
≤8 μeq/g Titr. acid

Residuo dopo evaporazione

≤0.005%

Colore

APHA: ≤10

Indice di rifrazione

n20/D 1.344 (lit.)

P. eboll.

81-82 °C (lit.)

Punto di fusione

−45 °C (lit.)

Densità

0.786 g/mL at 25 °C (lit.)

Formato

neat

Stringa SMILE

CC#N

InChI

1S/C2H3N/c1-2-3/h1H3
WEVYAHXRMPXWCK-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

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.

Applicazioni

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.

Caratteristiche e vantaggi

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.

Pittogrammi

FlameExclamation mark
GHS02,GHS07

Avvertenze

Danger

Indicazioni di pericolo

H225 - H302 + H312 + H332 - H319

Classi di pericolo

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

35.6 °F - closed cup

Punto d’infiammabilità (°C)

2.0 °C - closed cup

Certificati d'analisi (COA)

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