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HPLC Acetonitrile (ACN) is purified, dried, and distilled in glass and guaranteed for lot-to-lot consistency and low UV absorption. HPLC grade acetonitrile is specifically purified for high resolution gas chromatography, trace organic analysis, critical and routine HPLC. Our HPLC Acetonitrile meets all other ACS Specifications for General Use Reagent, Spectrophotometric Analysis and General Use HPLC. ProteoChem also offers ultra high purity LCMS Grade Acetonitrile.
Molecular Formula: C2H3N
Molecular Weight: 41.05
Density: 0.786 g/mL
CAS Number: 75-05-8
Alternative Names: Methyl cyanide; Cyanomethane; Ethanenitrile; HPLC ACN; HPLC Grade Acetonitrile
HPLC Acetonitrile Specifications
Test |
Specification |
| Assay (GC) |
≥ 99.9% |
| Residue after Evaporation |
≤ 1 ppm |
| Color (APHA), max |
≤ 10 |
| Optical Absorbance at: |
|
190 nm |
≤ 1.00 |
195 nm |
≤ 0.15 |
200 nm |
≤ 0.07 |
205 nm |
≤ 0.05 |
210 nm |
≤ 0.04 |
220 nm |
≤ 0.02 |
254 nm |
≤ 0.01 |
| Fluorescence Background (as Quinine Sulfate) |
≤ 1 ppb |
| Water |
≤ 0.01% |
| Titratable Acid |
≤ 0.001 mEq/g |
| Titratable Base |
≤ 0.0001 mEq/g |
| Density (at 25°C) |
≤ 0.775-0.780 g/mL |
| GC/IR Identity |
Conforms to Structure |
| Liquid Chromatography (ACS) |
Passes Test |
| Gradient Analysis at 210 nm and 254 nm |
Passes Test |
| 0.2 um Filtration |
Each Lot |
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