Description

3,3',5,5'-Tetraisopropyldiphenoquinone is a specialized organic chemical compound belonging to the class of hindered diphenoquinones. This compound serves as a crucial intermediate and functional additive in advanced material synthesis, valued for its unique sterically hindered structure and redox-active quinone moiety. It is primarily utilized by R&D chemists and process engineers in the polymer, specialty chemical, and pharmaceutical industries for applications requiring precise molecular control and stability.

Application

• Polymer Stabilizer/Antioxidant Precursor: Acts as a key intermediate in the synthesis of high-performance, sterically hindered phenolic antioxidants used to protect polymers from thermal and oxidative degradation.
• Advanced Material Synthesis: Serves as a building block for creating novel organic semiconductors, charge-transport materials, and electroactive polymers for electronic applications.
• Pharmaceutical Intermediate: Utilized in the research and development of complex organic molecules, potentially for active pharmaceutical ingredients (APIs) or diagnostic agents.
• Crosslinking Agent/Co-monomer: Its quinone functionality allows it to participate in polymerization reactions, contributing to the formation of crosslinked or specialty resin networks.
• Dye and Pigment Intermediate: Used in the synthesis of specialized quinone-based dyes and pigments for high-value applications.
• Research & Development: Employed in academic and industrial laboratories as a model compound or reagent for studying electron transfer processes and radical chemistry.

Basic Information

Product Name	3,3',5,5'-Tetraisopropyldiphenoquinone
CAS No.	2178-51-0
Molecular Formula	C30H42O2
Molecular Weight	434.66 g/mol
Synonyms	4,4'-(2,5-Cyclohexadiene-1,4-diylidene)bis[2,6-bis(1-methylethyl)phenol]; 2,2',6,6'-Tetraisopropyl-4,4'-diphenoquinone; 4,4'-Dihydroxy-3,3',5,5'-tetraisopropylbiphenyl Quinone; Tetraisopropyldiphenoquinone; TIPDQ; Diphenoquinone, tetraisopropyl-; Bis(2,6-diisopropyl-4-hydroxyphenyl)quinone
EINECS	218-548-6

Quality Control

Our 3,3',5,5'-Tetraisopropyldiphenoquinone is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing including HPLC for purity, IR and NMR for structural confirmation, and loss on drying. We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your research or production specifications.

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). Keep away from incompatible materials such as strong reducing agents. For long-term storage, consider an inert atmosphere to preserve optimal quality.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.