About us
Tongcheng Medicine specializes in the research and development, production, and sales of fine chemical products.
Products
The company has currently developed and constructed a fine chemical product system with bromine and chlorine series as the core
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Honors
The company has been awarded various honors and invention patent certificates
Products
4-Chlorobenzaldehyde
Category Toluene series
Alias p-chlorobenzenecarboxaldehyde;P-CHLOROBENZALDEHYDE;PCAD;Benzaldehyde,4-chloro-;benzaldehyde,-chloro-;p-chloro-benzaldehyd;p-Chlorobenzaldehyde 4-Chlorobenzaldehyde;4-CHLOROBENZALDEHYDE 98% (GC)
CAS NO. 104-88-1
Molecular weight 140.57
Molecular formula C7H5ClO
Structural formula 4-Chlorobenzaldehyde
Physical and chemical properties

Melting point: 46°C

Boiling point: 213-214℃

Density: 1.196

Vapor density: 0.6(vsair)

Vapor pressure : 8.75atm(21°C)

Refractive index1.5550(estimate)

Flashing point: 52°F

Storage condition: Storebelow+30°C.

Solubility: 935mg/l

Status: Liquid

Color: Whitetopaleyellow

Water solubility: 935mg/L(20ºC)

Soluble in ethanol, ether, benzene, water, acetone. Can evaporate with water vapor. Used as medicine, dye intermediates, used in the manufacture of fenalol, aminobenzanilic acid and so on. It is obtained by chlorination hydrolysis of p-chlorotoluene. It can also be obtained by oxidation of p-chlorotoluene manganese dioxide. It can also be prepared from p-chlorotoluene by air oxidation.