574724
Acetonitrile solution
suitable for HPLC, contains 0.05 % (v/v) trifluoroacetic acid
Synonym(s):
ACN, Cyanomethane, Ethyl nitrile, Methyl cyanide
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About This Item
Linear Formula:
CH3CN
CAS Number:
Molecular Weight:
41.05
NACRES:
NA.03
PubChem Substance ID:
UNSPSC Code:
12190000
EC Number:
200-835-2
MDL number:
Beilstein/REAXYS Number:
4124158
Technique(s):
HPLC: suitable
Bp:
81-82 °C (lit.)
Vapor pressure:
72.8 mmHg
Product Name
Acetonitrile solution, contains 0.05 % (v/v) trifluoroacetic acid
vapor density
1.41 (vs air)
Quality Level
vapor pressure
72.8 mmHg
form
liquid
contains
0.05 % (v/v) trifluoroacetic acid
expl. lim.
8 % (lit.)
technique(s)
HPLC: suitable
bp
81-82 °C (lit.)
mp
-48 °C (lit.)
density
0.782 g/mL at 25 °C
format
mixture
SMILES string
CC#N
InChI
1S/C2H3N/c1-2-3/h1H3
InChI key
WEVYAHXRMPXWCK-UHFFFAOYSA-N
General description
The product is an acetonitrile solution containing 0.05%v/v trifluoroacetic acid. This pre-blended mobile phase solvent is of high purity that reduces time-consuming preparation and prevents instrument downtime because of impure mobile phases. Trifluoroacetic acid/acetonitrile mobile phase system is generally employed for peptide separation. Acetonitrile (MeCN), an organic solvent has low viscosity, high elution strength and is UV transparent at low wavelength. Trifluoroacetic acid (TFA) is commonly used as a mobile phase additive. It is a UV transparent, volatile acid that forms hydrophobic negatively charged trifluoroacetate ion.
Preparation Note
Product filtered through a 0.2 μm filter
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Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2
Storage Class
3 - Flammable liquids
wgk
WGK 2
flash_point_f
42.8 °F - closed cup
flash_point_c
6 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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Optimum concentration of trifluoroacetic acid for reversed-phase liquid chromatography of peptides revisited.
Chen Y, et al.
Journal of Chromatography A, 1043(1), 9-18 (2004)
Eagleson M.
Concise Encyclopedia Chemistry, 6-6 (1994)
Acetonitrile, the polarity chameleon.
Zarzycki PK, et al.
Analytical and Bioanalytical Chemistry, 397(3), 905-908 (2010)