Description

2,6-Di-tert-Butylhydroquinone is a high-purity, sterically hindered phenolic compound widely used as an effective antioxidant and polymerization inhibitor. Its primary value lies in its ability to scavenge free radicals and prevent oxidative degradation in sensitive materials, thereby extending product shelf life and maintaining performance integrity. This product is essential for manufacturers in the polymer, rubber, and specialty chemical industries who require reliable stabilization for their formulations.

Application

• Polymer Stabilizer: Acts as a primary antioxidant in polyolefins (e.g., polyethylene, polypropylene) and other polymers to prevent thermal and oxidative degradation during processing and service life.
• Rubber Antioxidant: Inhibits the oxidation of natural and synthetic rubbers, preventing chain scission and cross-linking to maintain elasticity and prevent cracking.
• Fuel & Lubricant Additive: Used in fuels, oils, and greases to prevent gum formation and oxidative thickening, ensuring engine performance and longevity.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex hindered phenol antioxidants and other specialty chemicals.
• Inhibitor for Monomers: Prevents premature polymerization of vinyl monomers like styrene and acrylics during storage and transportation.
• Adhesive & Sealant Formulations: Enhances the stability of adhesive resins and sealants against heat and oxygen exposure.

Basic Information

Product Name	2,6-Di-tert-Butylhydroquinone
CAS No.	2444-28-2
Molecular Formula	C14H22O2
Molecular Weight	222.33 g/mol
Synonyms	2,6-Di-tert-butyl-1,4-benzenediol; 2,6-Di-tert-butylhydroquinone; 2,6-Di-tert-butyl-4-hydroxybenzenol; DBHQ; 2,6-DTBHQ; 2,6-Bis(1,1-dimethylethyl)-1,4-benzenediol; Hydroquinone, 2,6-di-tert-butyl-; Antioxidant DBHQ
EINECS	219-493-5

Quality Control

Our 2,6-Di-tert-Butylhydroquinone is manufactured under a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting key parameters such as assay, melting point, and impurity profile are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flames. Isolate from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.5%
Melting Point	218°C - 222°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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