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2,5-Bis(1,1,3,3-Tetramethylbutyl)Hydroquinone CAS NO 903-19-5


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CAS No.:903-19-5

Grade:Pharmacy Grade

Content:99.9%

Brand:Customizable

Packaging:Customizable

Description

2,5-Bis(1,1,3,3-Tetramethylbutyl)Hydroquinone is a high-purity, sterically hindered hydroquinone derivative, valued for its role as a potent antioxidant and polymerization inhibitor in sensitive chemical systems. Its primary commercial value lies in its ability to prevent premature oxidation and degradation, thereby extending the shelf life and stability of final products. This compound is essential for manufacturers in the polymer, specialty chemical, and lubricant industries who require reliable stabilization solutions.

Application

  • Primary antioxidant and stabilizer in the production of polymers and plastics, including polyolefins and synthetic rubbers.
  • Inhibitor for preventing premature polymerization during the storage and transportation of monomers like styrene and acrylics.
  • Key intermediate in the synthesis of advanced antioxidants and light stabilizers for high-performance applications.
  • Stabilizing additive in industrial lubricants and greases to enhance oxidative stability under high-temperature conditions.
  • Used in research and development for creating novel materials with enhanced resistance to thermal and oxidative degradation.

Basic Information

Product Name 2,5-Bis(1,1,3,3-Tetramethylbutyl)Hydroquinone
CAS No. 903-19-5
Molecular Formula C22H38O2
Molecular Weight 334.54 g/mol
Synonyms 2,5-Di-tert-octylhydroquinone; 2,5-Di(1,1,3,3-tetramethylbutyl)hydroquinone; 2,5-Bis(tert-octyl)hydroquinone; 2,5-Di-tert-octyl-1,4-benzenediol; Hydroquinone, 2,5-bis(1,1,3,3-tetramethylbutyl)-; Topanol CA (related antioxidant class); Antioxidant 754; DTBPHQ
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Quality Control

Our 2,5-Bis(1,1,3,3-Tetramethylbutyl)Hydroquinone is manufactured under a stringent quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is easily oxidized; for long-term storage, maintaining an inert atmosphere (e.g., under nitrogen) is recommended to preserve efficacy.

Specification

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

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