Resorcinol

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Resorcinol Specification

Appearance
White to faint pink crystalline solid

Molecular Weight
110.11 g/mol

Storage Instructions
Store in a cool, dry, and well-ventilated place in tightly closed containers

Density
1.27 Gram per cubic centimeter(g/cm3)

Solubility
Soluble in water, alcohol, and ether

Ph Level
5.0 - 6.5 (10 g/L, HO, 20C)

Odour
Slight phenolic odour

Chemical Name
Resorcinol

Other Names
1,3-Benzenediol; m-Dihydroxybenzene

Classification
Aromatic Diol, Phenolic Compound

CAS No
108-46-3

Type
Industrial Grade, Laboratory Grade

Application
Adhesives, Pharmaceuticals, Hair Dyes, Rubber Industry, Chemical Intermediates

Application Method
Direct application or as an intermediate in formulations

Raw Material
Phenol

Physical State
Solid (Crystalline Powder)

Usage
Used in the manufacturing of resins, adhesives, UV absorbers, dyes, and pharmaceuticals

Shelf Life
3 Years

Purity(%)
>99%

Drying Time
Depends on application/use

Best Before
36 Months from date of manufacturing

About Resorcinol

Resorcinol (or resorcin) is a benzenediol (m-dihydroxybenzene).

Medical

Used externally, it is an antiseptic and disinfectant, and is used 5 to 10% in ointments in the treatment of chronic skin diseases such as psoriasis, hidradenitis suppurativa, and eczema of a sub-acute character.It is present in over-the-counter topical acne treatments at 2% or less concentration, and in prescription treatments at higher concentrations. Weak, watery solutions of resorcinol (25 to 35 g/kg) are useful in allaying the itching in erythematous eczema.A 2% solution used as a spray has been used with marked effect in hay fever and in whooping cough. In the latter disease 0.6 mL of the 2% solution has been given internally. It can be included as an anti-dandruff agent in shampoo or in sunscreencosmetics. It has also been employed in the treatment of gastric ulcers in doses of 125 to 250 mg in pills, and is said to be analgesic and haemostatic in its action. In large doses, it is a poison, causing giddiness, deafness, salivation, sweating, and convulsions. It is also worked up in certain medicated soaps. Monoacetylresorcinol, C6H4(OH)(O-COCH3), is used under the name of euresol. Resorcinol is one of the active ingredients in products such as Resinol, Vagisil, and Clearasil.

Chemical

Resorcinol is also used as a chemical intermediate for the synthesis of pharmaceuticals and other organic compounds. It is used in the production of diazo dyes and plasticizers and as a UVabsorber in resins.

An emerging use of resorcinol is as a template molecule in supramolecular chemistry. The -OH groups on resorcinol form hydrogen bonds to target molecules, holding them in the proper orientation for a reaction. Many such reactions are able to be carried out in the solid state, thereby reducing or eliminating the use of solvents that may be harmful to the environment. (see Green chemistry)

Resorcinol is an analytical reagent for the qualitative determination of ketoses (Seliwanoff's test).

Resorcinol is the starting material for resorcinarene molecules and the initiating explosive lead styphnate.

Resorcinol reacts with formaldehyde to form a thermoset resin which can form the basis of an aerogel.

Versatile Applications Across Industries

Resorcinol serves as a critical component in manufacturing resins, adhesives, dyes, pharmaceuticals, and UV absorbers. Its efficacy as a chemical intermediate lends itself to both industrial and laboratory uses. The compounds excellent solubility and high purity ensure consistent results in a diverse range of chemical processes and product formulations.

Safe Handling and Storage

While resorcinol is stable under recommended storage conditions, it requires careful handling due to its classification as an irritant and its harmful nature if swallowed or inhaled. Always store resorcinol in a cool, dry, and well-ventilated area inside tightly closed containers. Personal protective equipment is strongly advised during handling to maintain safety.

FAQs of Resorcinol:

Q: How should resorcinol be stored to maintain its stability and purity?

A: Resorcinol should be stored in a cool, dry, and well-ventilated place inside tightly sealed containers. This practice maintains product stability, prevents contamination, and extends its shelf life up to 3 years.

Q: What are the main industrial applications of resorcinol?

A: Resorcinol is primarily used in the manufacturing of adhesives, rubber industry products, pharmaceuticals, hair dyes, UV absorbers, and chemical intermediates. Its high purity and versatile reactivity make it suitable for both specialized and large-scale industrial applications.

Q: When is resorcinol typically used in product formulations?

A: Resorcinol is added directly or as a chemical intermediate during the formulation process of adhesives, dyes, pharmaceuticals, and resins. The timing depends on the specific process requirements and desired end-use product.

Q: Where can resorcinol be sourced in India?

A: Resorcinol can be procured from chemical distributors and suppliers throughout India, typically supplied in 25 kg HDPE or fiber drums tailored to customer specification.

Q: What are the recommended usage precautions for resorcinol?

A: Wear appropriate personal protective equipment, such as gloves and masks, to avoid skin contact or inhalation. As an irritant that is harmful if swallowed or inhaled, handling in a well-ventilated environment is essential.

Q: What benefits does resorcinol offer in adhesive and dye formulations?

A: Resorcinol provides strong bonding properties and enhanced durability in adhesives. In dye formulations, it offers stability and effective coloration, making it a valuable ingredient in both industrial and cosmetic applications.

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