Description

2,6-Di(tert-Butyl)-4-Hydroxy-4-Methyl-2,5-Cyclohexadien-1-One is a hindered phenolic compound that functions as a highly effective antioxidant and stabilizer. Its primary value lies in its ability to inhibit oxidative degradation, thereby extending the shelf life and maintaining the performance integrity of sensitive materials. This product is essential for manufacturers in the polymer, rubber, and specialty chemical industries seeking to protect their formulations from thermal and oxidative stress.

Application

• Polymer Stabilizer: Used as a primary antioxidant in polyolefins (e.g., polyethylene, polypropylene) to prevent chain scission and discoloration during processing and long-term use.
• Rubber Additive: Imparts antioxidant properties to synthetic and natural rubber products, preventing cracking and loss of elasticity.
• Fuel & Lubricant Additive: Serves as an antioxidant in fuels, oils, and greases to minimize gum formation and acid generation, enhancing operational stability.
• Intermediate for Specialty Chemicals: Acts as a key building block in the synthesis of more complex hindered phenol antioxidants and light stabilizers.
• Adhesive & Sealant Formulations: Incorporated to prevent oxidative cross-linking or degradation, ensuring consistent viscosity and adhesion properties.
• Coating Stabilizer: Protects industrial and automotive coatings from yellowing and embrittlement caused by heat and UV exposure.

Basic Information

Product Name	2,6-Di(tert-Butyl)-4-Hydroxy-4-Methyl-2,5-Cyclohexadien-1-One
CAS No.	10396-80-2
Molecular Formula	C15H22O2
Molecular Weight	234.33 g/mol
Synonyms	4-Hydroxy-4-methyl-2,6-di-tert-butyl-2,5-cyclohexadien-1-one; 2,6-Di-tert-butyl-4-hydroxy-4-methyl-2,5-cyclohexadienone; 4-Methyl-2,6-di-tert-butyl-4-hydroxy-2,5-cyclohexadien-1-one; 2,6-Di-tert-butyl-4-methyl-4-hydroxy-2,5-cyclohexadienone; 4-Hydroxy-4-methyl-2,6-di-tert-butylcyclohexa-2,5-dienone; DTBHQ (common abbreviation); 2,6-DTBP (abbreviation); 2,6-Di-t-butyl-4-hydroxy-4-methyl-2,5-cyclohexadien-1-one
EINECS	233-852-9

Quality Control

Our 2,6-Di(tert-Butyl)-4-Hydroxy-4-Methyl-2,5-Cyclohexadien-1-One is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and performance. Certificates of Analysis (COA) detailing results from HPLC, IR, and other relevant tests are available upon request to support your quality assurance and regulatory compliance needs.

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; for long-term storage, consider maintaining under an inert atmosphere such as nitrogen to preserve efficacy.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	125°C - 130°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.