Description

1,2,4-Benzenetriol CAS NO 533-73-3 is a high-purity trihydroxybenzene derivative, serving as a critical building block and intermediate in advanced chemical synthesis. Its value lies in its unique phenolic structure, which makes it a versatile precursor for antioxidants, specialty polymers, and fine chemicals. This compound is essential for R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and polymer industries seeking reliable, high-quality raw materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Polymer Chemistry: Used as a monomer or cross-linking agent in the production of heat-resistant and specialty phenolic resins.
• Antioxidant Synthesis: Serves as a core structure for manufacturing synthetic antioxidants used in plastics, rubber, and fuels.
• Agrochemical Production: Intermediate in the formulation of certain herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Acts as a starting material for certain oxidation dyes and colorants.
• Research & Development: Valuable reagent in organic synthesis and chemical research for exploring new catalytic and synthetic pathways.
• Photographic Chemicals: Used in specific developer formulations within the photographic industry.

Basic Information

Item	Details
Product Name	1,2,4-Benzenetriol
CAS No.	533-73-3
Molecular Formula	C6H6O3
Molecular Weight	126.11 g/mol
Synonyms	Hydroxyhydroquinone; 1,2,4-Trihydroxybenzene; 4-Hydroxycatechol; Benzene-1,2,4-triol; 1,2,4-THB; 1,2,4-Trihydroxybenzol; 1,2,4-Benzenetriol (Hydroxyhydroquinone)
EINECS	208-575-1

Quality Control

Our 1,2,4-Benzenetriol is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for research and industrial use. Certificates of Analysis (COA) documenting purity, assay, and impurity profiles are available for every shipment upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to light brown crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	140 - 145 °C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.