Skip to Content
Merck

L010000

Sigma-Aldrich

Acetonitrile

Synonym(s):

ACN, Cyanomethane, Ethyl nitrile, Methyl cyanide

Sign Into View Organizational & Contract Pricing

About This Item

Linear Formula:
CH3CN
CAS Number:
Molecular Weight:
41.05
Beilstein:
741857
EC Number:
MDL number:
UNSPSC Code:
41116105
PubChem Substance ID:
NACRES:
NA.21
Bp:
81-82 °C (lit.)
Vapor pressure:
72.8 mmHg ( 20 °C)
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

vapor density

1.41 (vs air)

Quality Level

vapor pressure

72.8 mmHg ( 20 °C)

type

for DNA synthesis

form

liquid

autoignition temp.

973 °F

expl. lim.

16 %

storage condition

dry at room temperature

impurities

≤30 ppm water content (Karl Fischer)

color

clear

refractive index

n/D 1.342-1.346
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

Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

Acetonitrile is a wash solution, containing anhydrous acetonitrile (water content <30 ppm), is used as the overall wash solvent following each step in the synthesis cycle.

Pictograms

FlameExclamation mark

Signal Word

Danger

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


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PDSCL

Deleterious substance

FSL

Group 4: Flammable liquids
Type 1 petroleums
Hazardous rank II
Water soluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

L010000-2.5L:
L010000-400L:
L010000-200L:
L010000-4X4L:4548173961286
L010000-6X100ML:4548173907758
L010000-4X2.5L:4548173342030
L010000-4L:
L010000-45L:
L010000-18L:
L010000-25L:


Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service