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ACETONITRILE
Acetonitrile, is the simplest organic nitrile with the formula CH3CN and structure H3C−C≡N. It appears as a colorless liquid with an aromatic odor. It is mainly used as a polar aprotic solvent in organic synthesis and in the purification process. It is also used to make pharmaceuticals, perfumes, rubber products, pesticides, acrylic nail removers and batteries.
Technology
Fixed-bed vapour phase reaction and fractional distillation.
Chemistry
Catalytic ammonolysis of acetic acid.
Applications
Laboratory Chemical: Mobile phase in HPLC. Synthesis Intermediate: Perfumes, Agro and Pharmaceutical industry. Solvent: Extraction, Electrochemical cells, Pharmaceutical, Biochemical synthesis process. Other Industrial Application: Removing solution, transition metal complex catalyst
Product Identifiers:
| Chemical Formula | C2H3N |
| Preferred IUPAC Name | Acetonitrile |
| CAS Number | 75-05-8 |
| HSN Code | 29269000 |
Physical Properties
| Molecular wt. | 41.05 g |
| Density @ 25 ºC | 0.786 g/mL |
| Refractive Index 20 ºC | 1.3441 |
| Boiling Point | 81 - 83 °C |
| Freezing Point | Below -45 °C |
| Solubility in water @ 25 ºC | Miscible in all proportions |
| Flash Point (closed cup) | 2 °C |
Specification
| Appearance | A Clear Colorless Liquid |
| Color (APHA max.) | 10 |
| Purity by GC | 99.8% min. |
| Specific Gravity @ 20 ºC | 0.780 to 0.785 |
| Water by K.F. (wt. %) | 0.05% max. |
| Acetone (ppm) | 50 max. |
| Free Ammonia (ppm) | 6 max. |
| Propionitrile (ppm) | 300 max. |
| Acrylonitrile by GC (ppm) | 10 max. |
| Acidity (as Acetic Acid) (wt. %) | 0.05% max. |