Acetonitrile with 0.1% Trifluoroacetic Acid (v/v), Optima™ LC/MS Grade, Thermo Scientific™

Ideal high purity mobile phase blend for LC/MS and UHPLC-UV applications
Pre-mixed for ease-of-use
Low metal ion content to ensure minimal metal contamination
TFA is a common mobile phase additive that can function as an ion pair reagent

Chemical Identifiers

CAS

75-05-8, 76-05-1

Molecular Formula

C2H3N

Molecular Weight (g/mol)

41.053

MDL Number

4169

InChI Key

WEVYAHXRMPXWCK-UHFFFAOYSA-N

Synonym

methyl cyanide, cyanomethane, ethanenitrile, methanecarbonitrile, ethyl nitrile, methane, cyano, acetonitrile, cyanure de methyl, methylkyanid, mecn

PubChem CID

6342

ChEBI

CHEBI:38472

IUPAC Name

acetonitrile

SMILES

CC#N

pH

2

Melting Point

-50°C

Absorbance

≤0.03 AU at 254nm, ≤0.4 AU at 230nm, ≤0.55 AU at 220nm, ≤0.6 AU at 210nm

Decomposition Information

>500°C

Density

0.7810g/cm³

Boiling Point

82°C

Quantity

500 mL

Identification

Pass Test

Packaging

Glass Bottle

Physical Form

Liquid

Assay Percent Range

≥97.5 %

Residue after Evaporation

≤1ppm

Linear Formula

CH₃CN

Water

≤0.01%

Merck Index

15, 9847

Formula Weight

41.04

Percent Purity

0.095 to 0.105% (v/v) Trifluoroacetic Acid

Grade

OPTIMA™ LC-MS

Chemical Name or Material

0.1% Trifluoroacetic Acid in Acetonitrile (v/v), Solvent Blends

Hazard Statement

DANGER!

Precautionary Statement

Emergency Overview
Flammable liquid and vapor. Irritating to eyes. May cause skin and respiratory tract irritation. May cause central nervous system effects. Liver and kidney injuries may occur. Use personal protective equipment. Keep away from open flames, hot surfaces and sources of ignition. Use only under a chemical fume hood. Wash off immediately with plenty of water for at least 15 minutes. Immediate medical attention is required. Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Immediate medical attention is required. Immediate medical attention is required. Move to fresh air.

NFPA

Health:2
Flammability:3
Instability:0

DOTInformation

DOT Class 3, : Flammable Liquid

SDS

Hazard Statement

DANGER!

Precautionary Statement

Emergency Overview
Flammable liquid and vapor. Irritating to eyes. May cause skin and respiratory tract irritation. May cause central nervous system effects. Liver and kidney injuries may occur. Use personal protective equipment. Keep away from open flames, hot surfaces and sources of ignition. Use only under a chemical fume hood. Wash off immediately with plenty of water for at least 15 minutes. Immediate medical attention is required. Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Immediate medical attention is required. Immediate medical attention is required. Move to fresh air.

NFPA

Health:2
Flammability:3
Instability:0

DOTInformation

DOT Class 3, : Flammable Liquid

SDS