Description

Diisooctylhydroquinone is a specialized alkylated hydroquinone derivative, primarily valued for its role as a polymerization inhibitor and antioxidant in industrial processes. Its chemical structure provides excellent stability and effectiveness in preventing premature polymerization of monomers like styrene, acrylates, and vinyl acetate during storage and transportation. This compound is essential for manufacturers in the polymer, resin, and specialty chemical industries who require reliable process stabilization to ensure product quality and operational safety.

Application

• Primary use as a polymerization inhibitor for vinyl monomers (e.g., styrene, acrylic acid) during production and storage.
• Key antioxidant and stabilizer component in lubricant formulations and industrial oils.
• Stabilizing agent in the manufacture of unsaturated polyester resins and other thermosetting polymers.
• Intermediate in the synthesis of more complex antioxidant compounds and specialty chemicals.
• Additive in adhesive and sealant formulations to enhance shelf-life and prevent gelation.
• Used in fuel additives to improve oxidation stability.

Basic Information

Product Name	Diisooctylhydroquinone
CAS No.	53823-28-2
Molecular Formula	C22H38O2
Molecular Weight	334.54 g/mol
Synonyms	2,5-Bis(6-methylheptyl)benzene-1,4-diol; 1,4-Dihydroxy-2,5-diisooctylbenzene; Hydroquinone, diisooctyl-; DIHQ; Di(iso-octyl)hydroquinone; Inhibitor DHQ; Antioxidant 688; Stabilizer 688
EINECS	Contact for details

Quality Control

Our Diisooctylhydroquinone is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identification, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your technical requirements and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is easily oxidized and should be kept under an inert atmosphere (e.g., nitrogen) for long-term storage to maintain efficacy. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	48 - 52 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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