Description

4,6-Di-tert-Butylpyrogallol is a specialized phenolic antioxidant and polymerization inhibitor derived from pyrogallol. This compound matters for its superior ability to scavenge free radicals and inhibit autoxidation processes in sensitive organic systems, thereby extending product shelf life and stability. It is primarily needed by manufacturers in the polymer, rubber, and specialty chemical industries, as well as in research and development for advanced material science applications.

Application

• Polymer Stabilizer: Acts as a highly effective antioxidant and inhibitor in the production and processing of polymers and plastics to prevent thermal and oxidative degradation.
• Rubber Industry: Used as an anti-aging agent in synthetic rubber and elastomers to enhance durability and performance.
• Fuel & Lubricant Additive: Serves as an antioxidant additive in fuels, oils, and greases to prevent gum formation and oxidative breakdown.
• Chemical Synthesis Intermediate: Employed as a key building block or stabilizer in the synthesis of other complex organic compounds and pharmaceuticals.
• Research & Development: Utilized in academic and industrial R&D for studying antioxidant mechanisms and developing new stabilization technologies.
• Adhesive & Coating Formulations: Incorporated into formulations to improve the oxidative stability and longevity of adhesives, sealants, and protective coatings.

Basic Information

Product Name	4,6-Di-tert-Butylpyrogallol
CAS No.	3934-77-8
Molecular Formula	C16H26O3
Molecular Weight	266.38 g/mol
Synonyms	4,6-Di-tert-butyl-1,2,3-benzenetriol; 4,6-Di-tert-butylpyrogallol; 1,2,3-Trihydroxy-4,6-di-tert-butylbenzene; DBPC (common abbreviation); Pyrogallol, 4,6-di-tert-butyl-; Antioxidant DBPC; 2,4-Di-tert-butylpyrogallol (isomer); 4,6-Bis(1,1-dimethylethyl)-1,2,3-benzenetriol
EINECS	223-506-7

Quality Control

Our 4,6-Di-tert-Butylpyrogallol is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with customer requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its properties of being light-sensitive and easily oxidized, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation and to minimize quality degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	188°C - 192°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.