Acetonitrile (CAS 75-05-8) is a chemical compound with the formula C2H3N or CH3CN and it is a volatile organic compound. Acetonitrile is also called Cyanomethane or Methane Carbonitrile. It's IUPAC name is Acetonitrile. It is a nitrile which is a hydrogen cyanide where the hydrogen (H) is replaced by a methyl group (-CH3). Acetonitrile is a limpid liquid, which is totally colourless. It has an aromatic odor. Compared with water it is less dense than water. When compared with air, it's vapours are denser. Acetonitrile is easily soluble in water and it has a sweetish taste. It is used as a medium-polarity solvent in the laboratory.
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What is Acetonitrile (CAS 75-05-8) used for?
Premium grade solvent engineered for sensitive analytical and synthesis processes:
1. Analytical Chemistry (HPLC & Spectroscopy)
Mobile Phase: Low UV absorbance and low viscosity ensuring low back-pressure and baseline noise in High-Performance Liquid Chromatography.
Spectroscopy: "UV Grade" transparency suitable for spectrophotometric analysis.
2. Pharma & Bio-Synthesis
DNA/Peptide Synthesis: Acetonitrile is a critical washing and deblocking solvent in oligonucleotide and solid-phase peptide synthesis.
API Production: Key solvent for the crystallization and purification of Active Pharmaceutical Ingredients.
3. Industrial Usage
Battery Electrolytes: High dielectric constant makes acetonitrile suitable for lithium battery electrolyte formulations.
What Specifications Should You Check Before Buying?
| Typical Industrial Grade | HPLC Grade | |
|---|---|---|
| Purity | ≥ 99.8% | ≥ 99.9% |
| Water Content | ≤ 0.05% | ≤ 0.02% |
| UV Absorbance | Not specified | Strict UV limits |
| Appearance | Colorless liquid | Colorless liquid |
| Boiling Point | 81–82°C | 81–82°C |
Common packaging options include:
| Packaging Type | Net Weight | Material | Suitable For |
|---|---|---|---|
| Steel Drum | 160 kg / 165 kg | Carbon steel | Small to medium buyers |
| IBC Tank | 800–1000 kg | HDPE inner + metal cage | Medium-volume users |
| ISO Tank Container | 20–22 MT | Stainless steel tank | Large industrial buyers |
| Small Lab Bottle | 1L / 2.5L / 4L | Glass or HDPE | Laboratory use |
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