Description

4-(1,1,3,3-Tetramethylbutyl)Pyrocatechol is a substituted catechol derivative, functioning as a versatile phenolic intermediate and polymerization inhibitor. Its molecular structure, featuring a bulky tert-octyl group, provides steric hindrance that enhances its stability and efficacy as an antioxidant in sensitive systems. This compound is essential for manufacturers in the polymer, rubber, and specialty chemical industries who require high-performance additives to control radical reactions and prevent premature degradation during processing and storage.

Application

• Polymerization Inhibitor: Used to prevent unwanted premature polymerization of monomers like styrene, acrylics, and vinyl acetate during production, purification, and storage.
• Antioxidant Stabilizer: Serves as an effective antioxidant in rubber formulations, lubricants, and fuels to inhibit oxidative degradation and extend product lifespan.
• Chemical Intermediate: Acts as a key building block in the synthesis of more complex antioxidants, UV stabilizers, and specialty phenolic resins.
• Photographic Chemical: Employed in certain photographic developers and as a stabilizer in related imaging chemical formulations.
• Adhesive & Sealant Formulations: Incorporated to improve the shelf-life and processing stability of reactive adhesive systems.

Basic Information

Product Name	4-(1,1,3,3-Tetramethylbutyl)Pyrocatechol
CAS No.	1139-46-4
Molecular Formula	C14H22O2
Molecular Weight	222.32 g/mol
Synonyms	4-tert-Octylcatechol; 4-tert-Octylpyrocatechol; 4-(1,1,3,3-Tetramethylbutyl)-1,2-benzenediol; 4-tert-Octyl-1,2-dihydroxybenzene; 1,2-Dihydroxy-4-(1,1,3,3-tetramethylbutyl)benzene; Inhibitor OTB; p-tert-Octylcatechol
EINECS	214-519-7

Quality Control

Our production of 4-(1,1,3,3-Tetramethylbutyl)Pyrocatechol adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise customer specifications and consistent purity standards. A Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

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 product is easily oxidized and should be kept under an inert atmosphere (e.g., nitrogen) for long-term storage to maintain optimal efficacy. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to light tan crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	98 - 102 °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.