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

Catalog No.	Quantity	Packaging
LS121-4	4 L	Glass Bottle
LS121-500	500 mL	Glass Bottle
LS121-1	1 L	Wide Neck Amber Bottle
LS121-212	2.5 L	Glass Bottle

Catalog No. LS121-4

Description

• 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

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Specifications

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
• Quantity: 4 L
• Identification: Pass Test
• Packaging: Glass Bottle
• Physical Form: Liquid
• Residue after Evaporation: ≤1ppm
• Assay Percent Range: ≥97.5 %
• Linear Formula: CH₃CN
• Water: ≤0.01%
• Merck Index: 15, 9847
• Boiling Point: 82°C
• Formula Weight: 41.04
• Percent Purity: 0.095 to 0.105% (v/v) Trifluoroacetic Acid
• Grade: LC-MS
• Chemical Name or Material: 0.1% Trifluoroacetic Acid in Acetonitrile (v/v), Solvent Blends

Safety and Handling

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