4-Chlorophenol CAS# 106-48-9

4-Chlorophenol, Promotion Season Now in Store and Free Sample for Testing with Factory Price
  • Appearance: White crystal powder
  • Assay: 99.50%min
  • Packaging: 250kg/ Steel Drum.
  • Sample: Available

Quality Control of 4-Chlorophenol

Chemical Structure
Packing of Bretazenil

Description of 4-Chlorophenol

4-Chlorophenol is a halogenated phenol derivative and the building block of various pharmaceutical goods.

Basic Info of 4-Chlorophenol

Basic Info

Chemical Name



p-Chlorophenol;Parachlorophenol;Applied 3-78;Phenol,4-chloro;4-Chlorophenol;Expand



Molecular Formula


Molecular Weight







Safety Info



Hazard Class


Safety Statements


HS Code


Packing Group


WGK Germany



UN 2904/2905/2020

Risk Statements

R20/21/22; R51/53

Hazard Codes


Caution Statement

P273; P280


GHS07, GHS09

Hazard Declaration

H302; H312; H332; H411

Signal Word




Appearance & Physical State

off-white to light tan crystals or powder



Boiling Point


Melting Point


Flash Point


Refractive Index


Water Solubility

2.7 g/100 mL (20 ºC)


Stable. Incompatible with acid chlorides, acid anhydrides, oxidizing agents, iron.

Storage Condition


Vapor Pressure

1 mm Hg ( 49.8 °C)


Numbering system

EINECS number


MDL number


BRN number


RTECS number



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What is 4-Chlorophenol?

With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is 4-Chlorophenol which has developed particularly rapidly in recent years. Do you know about 4-Chlorophenol?


The official answer: P-chlorophenol, also known as p-chlorophenol (English name p-chlorophenol), 4-chlorophenol (4-chlorophenol), 4-chloro-1-hydroxybenzene, p-chloro-hydroxybenzene (4-chloro-1-hydroxybenzene). Pure product is a colorless crystal, the industrial product is a yellow or pink crystal or powder. Volatile, the vapor has an unpleasant and irritating odor. Flammable, slightly soluble in water, solubility in water (20℃) 27.1g/L, soluble in benzene, ethanol, ether, glycerol, chloroform, fixed oil, and volatile oil. 1% aqueous solution makes litmus acidic, its acidity is less than phenol and stronger than benzene. This product is mainly used in pesticides, pharmaceuticals, dyestuffs, plastics, and other industries, but is also used as an ethanol discoloration agent, refining mineral oil selective solvent, microscopic analysis, etc. P-chlorophenol is flammable when exposed to an open flame and high heat, and produces toxic and corrosive fumes from high-temperature thermal decomposition. It is a strong irritant to the eyes, mucous membranes, respiratory tract, and skin. Inhalation may cause death due to inflammation, edema, and spasm of the larynx and bronchi, chemical pneumonia, and pulmonary edema. Toxic manifestations include burning sensation, coughing, wheezing, laryngitis, headache, and nausea. Molecular formula C6H5ClO.

What’s the application of 4-Chlorophenol?

P-chlorophenol is mainly used in the industries of pesticides, pharmaceuticals, dyestuffs, plastics, etc. It is also used as a denaturant for alcohol and a selective solvent for refining mineral oil, etc. It can also be used for microscopic analysis, plant growth promoters.

Used in the synthesis of dyes, and dilute nitric acid reaction to produce dinitro compounds are dyes intermediates; can further synthesize a variety of dyes, such as neutral brilliant green BL, etc. In the pesticide industry, it is mainly used in the synthesis of pink Rustin, mimosine, wool fungicide, anti-falling (multi-functional plant growth regulator), propamocarb (systemic insecticide), toxaphene, insecticide, mite ovate (non-systemic acaricide), deoxynivalenol, acaricide ether; in the pharmaceutical industry, it is used in the carboxylation of sodium 5-chloro-2-hydroxybenzoate, synthesis of anthranilic, p-chlorophenoxyisobutyric acid and other drugs; it is also used in the synthesis of antioxidant BHA (butylated hydroxyanisole), etc.


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Keywords of 4-Chlorophenol

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