Description

3,5-Diisopropylcatechol is a substituted catechol derivative, a versatile chemical intermediate prized for its phenolic antioxidant properties and ability to act as a polymerization inhibitor. Its molecular structure makes it highly effective in stabilizing monomers and other sensitive materials against premature oxidation and thermal degradation. This compound is essential for manufacturers in the polymer, specialty chemical, and pharmaceutical industries seeking to enhance product shelf-life and process stability.

Application

• Polymerization Inhibitor: Used to prevent unwanted radical polymerization during the storage and transportation of monomers like styrene, acrylates, and vinyl acetate.
• Antioxidant Stabilizer: Incorporated into lubricants, fuels, and plastics to protect against oxidative degradation and extend service life.
• Chemical Synthesis Intermediate: Serves as a key building block for synthesizing more complex antioxidants, pharmaceuticals, and agrochemicals.
• Photographic Chemical: Employed in specific developer formulations within the photographic industry.
• Rubber & Elastomer Additive: Functions as an antioxidant and antiozonant to prevent cracking and aging in rubber products.
• Adhesive & Coating Formulations: Added to improve the stability and shelf-life of reactive adhesive and coating systems.

Basic Information

Product Name	3,5-Diisopropylcatechol
CAS No.	2138-49-0
Molecular Formula	C12H18O2
Molecular Weight	194.27 g/mol
Synonyms	3,5-Bis(1-methylethyl)-1,2-benzenediol; 3,5-Diisopropyl-1,2-benzenediol; 3,5-Diisopropylpyrocatechol; DIPC; 1,2-Dihydroxy-3,5-diisopropylbenzene; 3,5-Diisopropylcatechol; Pyrocatechol, 3,5-diisopropyl-
EINECS	218-376-5

Quality Control

Our 3,5-Diisopropylcatechol is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen) to prevent oxidation. Keep away from heat, sparks, and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	96 - 100 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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