Carbon tetrachloride standard sample

Carbon tetrachloride is a colorless, volatile, and non flammable liquid. It has a slightly sweet smell of chloroform and a pleasant odor.

　　Carbon tetrachloride standard sampleIntroduction

Carbon tetrachloride is a colorless, volatile, and non flammable liquid. It has a slightly sweet smell of chloroform and a pleasant odor. Molecular weight 153.84, density 1.595g/cm3 (20/4 ℃), boiling point 76.8 ℃, vapor pressure 15.26kPa (25 ℃), vapor density 5.3g/L. Slightly soluble in water, miscible with ethanol and petroleum ether. When exposed to fire or hot materials, it can decompose into carbon dioxide, hydrogen chloride, chlorine gas, etc.

　　Carbon tetrachloride standard samplephysical properties

Appearance and Characteristics: Colorless and transparent volatile liquid with an aromatic odor. Sweet taste.

CAS number: 56-23-5

Melting point (℃): -22.6

Relative density (water=1): 1.60

Boiling point (℃): 76.8

Relative vapor density (air=1): 5.3

Molecular formula: CCl4

Molecular weight: 153.84

Saturated vapor pressure (kPa): 13.33 (23 ℃)

Heat of combustion (kJ/mol): 364.9

Refractive index 1.459-1.46

Critical temperature (℃): 283.2

Critical pressure (MPa): 4.558

Water solubility: 0.8g/L (20 ℃)

Logarithmic value of octanol/water partition coefficient: 2.6

Interface tension with water at 20 ℃ (mN/m): 45.0

Solubility: Slightly soluble in water, easily soluble in most organic solvents

　　Function and Application

It has been widely used as a solvent, fire extinguishing agent, chlorinating agent for organic matter, extractant for spices, degreaser for fibers, cooking agent for grains, extractant for drugs, organic solvent, dry cleaning agent for fabrics, and many other uses have also been replaced by dichloromethane. It can also be used to synthesize monomers of Freon, Nylon 7, and Nylon 9; It can also produce drugs; Used as a lubricant in metal cutting.