It is used in pharmaceutical intermediates, dye and pigment synthesis, cosmetic ingredients, and fine chemical formulations.
4-Chloro Resorcinol (CAS 95-88-5)
Physical properties:
Appearance: White, off-white, beige, or light brown crystalline solid or powder.
Molecular Weight: 𝟏𝟒𝟒.𝟓𝟔g/mol.
Melting Point: 106-108°C.
Boiling Point: 147°C at 18mmHg pressure, or 259°C at atmospheric pressure.
Density: Approximately 1.471g/cm3
Solubility: 4-Chloro Resorcinol (CAS 95-88-5), Soluble in water, alcohol, ether, benzene, and carbon disulfide. Stability: Stable under normal conditions, but light and air sensitive. Incompatible with acid chlorides, acid anhydrides, and oxidizing agents.
Synonyms:
▪ 4-Chlororesorcinol (also spelled 4-chlororesorcine)
▪ p-Chlororesorcinol
▪ 4-Chloro-1,3-benzenediol
▪ 4-Chloro-1,3-dihydroxybenzene
▪ 1-Chloro-2,4-dihydroxybenzene
▪ 6-Chlororesorcinol
▪ Chlororesorcinol
▪ 4-Chlorobenzene-1,3-diol
▪ CI 76510 (Color Index Name)
▪ Resorcinol, 4-chloro–
Uses:
- Hair Dyes & Cosmetics: Its main application is in hair coloring products, where it’s used to create permanent dyes and tints, and in other personal care items like shampoos.
- Pharmaceuticals: 4-Chloro Resorcinol (CAS 95-88-5), Serves as a crucial building block (intermediate) in the production of various drugs and pharmaceutical agents.
- Dye Industry: An essential reagent for synthesizing azo dyes and other coloring agentsResin Production: Used in the manufacturing of synthetic resins.
- Chemical Synthesis: Acts as a versatile chemical intermediate for specialty chemicals and as a reagent in research.
- Unique Properties: Its structure allows for useful chemical reactions, and it possesses potential anti-inflammatory and antibacterial properties.
- Efficiency: Valued as a stable and efficient compound in synthesis processes.
Key Applications
- Cosmetics (Hair Dyes): A common coupler in permanent hair coloring, reacting to form various shades, especially reddish-brown tones.
- Pharmaceuticals: Used as a key reagent or intermediate in synthesizing drugs, often contributing to anti-inflammatory or antimicrobial properties.
- Chemical Synthesis: 4-Chloro Resorcinol (CAS 95-88-5), A valuable building block for specialty chemicals, reagents, and complex organic molecules.
- Dye Industry: An intermediate in creating various dyes and tanning agents.
- Resins: Used in manufacturing synthetic resins.
- Skincare: Its potential antimicrobial and anti-inflammatory properties make it useful in certain skin care products and shampoos
Properties & Handling
Appearance: White to pale yellow crystalline solid.
Solubility: Soluble in water, alcohol, and ether.
Safety: A hazardous substance requiring careful handling, protective gear (goggles, gloves, respirators), and adherence to SDS guidelines, as it can irritate skin and eyes.
FAQs
It is used in pharmaceutical intermediates, dye and pigment synthesis, cosmetic ingredients, and fine chemical formulations.




