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NEET UG 2026 » NEET UG Study Material » Chemistry » Resorcinol
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Resorcinol

Resorcinol is a white, water-soluble organic compound that is primarily used in the production of resins and other polymers. It can be found in solid flaky form or as a powder. There are several names for it, including resorcin, 1,3-dihydroxybenzene, 3-hydroxyphenol, and m-benzenediol.

Table of Content
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Resorcinol is a chemical compound with the chemical formula C6H6O2. It is an organic compound. It is one of three isomeric benzenediols that are white in colour and soluble in water; it is the most common. Resorcin and m-Dihydroxybenzene are other names for this compound. It is the 1,3-isomer of the compound benzenediol. It is a benzenediol that has benzene dihydroxylated at positions 3 and 1 in the benzene chain. It has two functions: it sensitises the body and it inhibits the production of erythropoietin.

Resorcin is a crystalline solid that is very white in colour and is soluble in water, ether, and alcohol. It is used to treat various ailments. It has a faint odour and a sweetish to bitter taste that ranges from sweet to bitter. Carbon disulfide and chloroform are not soluble in this solution. If it is not in its purest form, it will turn pink when exposed to light. It burns, but it is extremely difficult to ignite. In the manufacture of pharmaceuticals and plastics, it is widely used as a solvent.

Resorcinol Properties

Physical properties – It displays the following physical characteristics: 

  • It has a white colour and is solid when kept at room temperature. 

  • It is soluble in water, alcohol, and ether, among other things.

  •  The molar mass of this compound is 110 g/mol. 

  • When exposed to air, light, and iron, it turns pink in colour. It has a faint benzene smell to it. 

  • It is insoluble in chloroform and carbon disulfide, among other solvents. 

  • Its melting point is 110 degrees Celsius. 

  • Its boiling point is 277 degrees Celsius. 

  • It has a density of 1.28g/cm3

Chemical properties-This compound exhibits the following chemical properties: 

  • It reduces Fehling’s solution and nitrate-aluminum solution.

  • The reaction of phthalic anhydride with resorcinol T-amyl alcohol and Resorcinol: 

  • A Chemical Reaction Resistance to Resorcinol’s Reaction with Ethyl 

  • Acetoacetate Formation of Resorcinol in the Presence of Formaldehyde

Structure of Resorcinol (C6H6O2) 

Uses of Resorcinol (C6H6O2)

Resorcinol is used in a variety of ways:

  • Resorcinol is a chemical compound that is used in pharmaceutical products as a disinfectant or antiseptic.

  • Acne, psoriasis, calluses, eczema, and seborrheic dermatitis are all conditions that can be treated with this medication.

  • It is used in the production of resins.

  • It is an analytical reagent that is used to assess the quality of ketoses.

Production of resorcinol

m-Dihydroxybenzene, a number of different methods are available. Some of them are discussed in this section. The reaction of benzene with propylene results in the formation of 1,3-diisopropyl benzene. A Hock rearrangement and oxidation of the resulting product yields resorcinol and acetone, as well as acetone.

It can be made by melting resins such as asafoetida and galbanum with KOH (potassium hydroxide) or by distilling Brazilwood extract, both of which are natural sources of potassium hydroxide.

Another method is to melt benzene-1,3-disulfonic acid, phenol-3-sulfonic acid, 3-iodophenol, and benzene-1,3-disulfonic acid in the presence of potassium carbonate (K2CO3) by the action of nitrous acid (HNO2) on 1,3-diaminobenzene or 3-aminophenol in the presence of potassium carbonate (K2CO3). Resorcinol can be obtained by fusing various para and ortho compounds of the aromatic series, such as benzene-para-disulfonic acid and bromophenols, with potassium hydroxide (potassium hydroxide).

Conclusion

Resorcinol is an organic compound. It is one of three isomeric benzenediols that are white in colour and soluble in water; it is the most common.The molar mass of this compound is 110 g/mol. It is used to treat various ailments. It has a faint odour and a sweetish to bitter taste that ranges from sweet to bitter.Resorcinol is a chemical compound that is used in pharmaceutical products as a disinfectant or antiseptic.It is used in the synthesis of raw materials for aerogels, among other things. Because it can withstand a wide range of temperatures, it is widely used. As a result, it is also employed in the automotive industry.It can be made by melting resins such as asafoetida and galbanum with KOH (potassium hydroxide) or by distilling Brazilwood extract, both of which are natural sources of potassium hydroxide.

 
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Frequently asked questions

Get answers to the most common queries related to the NEET UG Examination Preparation.

What is Resorcinol and how does it work?

Ans- Resorcinol is a white, water-soluble organic compound that is primarily used in the production of resins and ot...Read full

Write 3 physical properties of Resorcinol.

Ans- This substance has the following physical properties:  ...Read full

What are the uses of resorcinol?

Ans- Resorcinol has a variety of uses: I...Read full

Where does the chemical resorcinol come from?

Ans- Resorcinol, also known as m-dihydroxybenzene, is a phenolic compound used in the production of resins, colouran...Read full

Discuss the antibacterial and antifungal properties of resorcinol.

Ans- It is possible that protein precipitation is responsible for the antibacterial and antifungal activities. It is...Read full

Ans- Resorcinol is a white, water-soluble organic compound that is primarily used in the production of resins and other polymers.

 

Ans- This substance has the following physical properties: 

  1. It is white in colour and solid at room temperature. 
  2. It is soluble in water, alcohol, and ether, among other things.
  3. The molar mass of this compound is 110 g/mol.

Ans- Resorcinol has a variety of uses:

  1. It is employed in the treatment of acne.
  2.  It has antiseptic and disinfectant properties, and as a result, it is used in the treatment of many chronic skin diseases such as eczema, psoriasis, and others. 
  3. It is an anti-dandruff agent that is found in shampoos and conditioners.

Ans- Resorcinol, also known as m-dihydroxybenzene, is a phenolic compound used in the production of resins, colourants, plastics, pharmaceuticals, and a variety of other organic chemical compounds, amongst other things. Benzenedisulfonic acid is produced in large quantities by sulfonizing benzene with sulfuric acid fuming and then fusing caustic soda to the resulting benzenedisulfonic acid.

Ans- It is possible that protein precipitation is responsible for the antibacterial and antifungal activities. It is possible that the keratolytic activity contributes to the antifungal effect because the removal of the stratum corneum inhibits fungal proliferation. Resorcinol can be absorbed through the skin if it comes into contact with ulcerated surfaces.

 

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