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Short Description:

Acetonitrile

Chemical formula: C₂H₃N

Molecular weight: 41.06

CAS No.: 75-05-8

EINECS No.: 200-835-2

UN No.: 1648

Melting point: -45℃

Boiling point: 81.6℃

Water soluble: Miscible with water, soluble in most organic solvents such as ethanol and ether

Density: 0.7857 g/cm³

Appearance: Colorless liquid with pungent odor

Flash point: 12.8℃（CC）；6℃（OC）

Usage: It is used in the preparation of vitamin B1 and other drugs and spices, etc.Also used as a fatty acid extractant, etc.

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Product Detail

Product Tags

Acetonitrile is an organic compound with a molecular formula of C2H3N. It is a colorless liquid, highly volatile with a special odor similar to ether.It has excellent solvent properties. It can dissolve a variety of organic, inorganic and gaseous substances. It has certain toxicity and is infinitely miscible with water and alcohol. Acetonitrile can undergo typical nitrile reactions,is used to prepare many typical nitrogen-containing compounds,is an important organic intermediate.Acetonitrile can be used as a solvent for the synthesis of vitamin A, cortisone, carbonamine drugs and their intermediates, also used as an active medium solvent for the manufacture of vitamin B1 and amino acids .Alternative to chlorinated solvents. Used in vinyl coatings, also used as extractant for fatty acids, alcohol denaturant, butadiene extractant and solvent for acrylonitrile synthetic fibers.Also has many usages in fabric dyeing, lighting, perfume manufacturing and photosensitive material manufacturing.

Physical properties

Appearance: Colorless liquid with pungent odor	Molecular weight 41.06
Melting point: -45℃	Heat of combustion (kJ/mol): 1264.0
Relative density (water=1) : 0.79（15℃）	Critical temperature (℃): 274.7
Boiling point: 81.6℃	Critical pressure (MPa): 4.83
Relative vapour density (Air=1):1.42	logarithmic octanol/water partition coefficient: -0.34
Saturated vapor pressure (kPa):13.33（27℃）	Flash point: 12.8℃（CC）; 6℃（OC）
Chemical formula C₂H₃N	Explosion ceiling % (V/V): 16.0
Ignition temperature(℃): 524	Lower explosion limit % (V/V): 3.0
Solubility: miscible with water, soluble in most organic solvents such as ethanol and ether	CAS No.: 75-05-8

Technical data

Product name	Industrial grade Acetonitrile
Standard	Q/SY 03491–2018
Item	Specific
Appearance	Transparent liquid without suspended matter
Chroma (Pt-Co)	≤ 10
Density (20℃) g/cm³	0.781–0.784
Boiling range （under at 0.10133Mpa）/℃	81.0–82.0
Acidity (as acetic acid) mg/kg	≤ 50
Moisture w/%	≤ 0.030
Total cyanide (as hydrocyanic acid) mg/kg	≤ 10
Ammonia mg/kg	≤ 6
Acetone mg/kg	≤ 25
Acrylonitrile mg/kg	≤ 25
Regroup (include propionitrile) mg/kg	≤ 500
Copper mg/kg	≤ 0.5
Iron mg/kg	≤ 0.5
Purity w/%	≥ 99.9
Result	Top grade

Main Application:

Chemical and Instrumental analysis

Acetonitrile has been used in recent years as an organic modifier and solvent for thin layer chromatography, paper chromatography, spectroscopy and polarographic analysis.Cause high-purity acetonitrile does not absorb UV light at 200nm to 400nm, one application being developed is as a solvent for high performance liquid chromatography (HPLC), which can make the analytical sensitivity up to grade 10^-9.