Acetonitrile

SIAL/45983 - analytical standard

Synonym: ACN; Cyanomethane; Ethyl nitrile; Methyl cyanide

CAS Number: 75-05-8
Empirical Formula (Hill Notation): C₂H₃N
Molecular Weight: 41.05
EC Number: 200-835-2
MDL Number: MFCD00001878
Linear Formula: CH₃CN
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-45983-5ML	5 mL	$80.70 1/EA	Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

application(s)	cleaning products cosmetics environmental food and beverages personal care
assay	≥98.0%
autoignition temp.	973 °F
bp	81-82 °C (lit.)
density	0.786 g/mL at 25 °C (lit.)
expl. lim.	16 %
form	liquid
format	neat
grade	analytical standard
InChI	1S/C2H3N/c1-2-3/h1H3
InChI key	WEVYAHXRMPXWCK-UHFFFAOYSA-N
mp	−45 °C (lit.)
Quality Level	100
refractive index	n20/D 1.344 (lit.)
shelf life	limited shelf life, expiry date on the label
SMILES string	CC#N
solubility	water: soluble (completely)
technique(s)	gas chromatography (GC): suitable
	HPLC: suitable
vapor density	1.41 (vs air)
vapor pressure	72.8 mmHg ( 20 °C)

Application:

Mass Spectrometry Applications: Acetonitrile is utilized in mass spectrometry as a solvent that assists in the ionization of samples, enhancing the accuracy and precision of mass spectrometric analyses, which is invaluable in biotechnological applications (Michalkiewicz et al., 2024 ).

Recommended products:

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Symbol	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 Codes	F,Xn
Risk Statements	11-20/21/22-36
Safety Statements	16-36/37
RIDADR	UN 1648 3 / PGII
WGK Germany	WGK 2
Flash Point(F)	35.6 °F - closed cup
Flash Point(C)	2.0 °C - closed cup

Purity	≥98.0%
bp	81-82 °C (lit.)
mp	−45 °C (lit.)
Density	0.786 g/mL at 25 °C (lit.)
Refractive Index	n20/D 1.344 (lit.)
UNSPSC	12191502

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