Description

1,2,3-Tris(3,5-Ditert-Butyl-4-Oxo-2,5-Cyclohexadien-1-Ylidene)Cyclopropane is a high-performance, sterically hindered phenolic compound known for its exceptional stability and radical-scavenging properties. This compound matters for its role as a highly effective antioxidant and stabilizer, protecting materials from oxidative degradation and extending their functional lifespan. It is primarily needed by manufacturers in the polymer, rubber, and specialty chemical industries seeking to enhance the durability and performance of their products under demanding conditions.

Application

• Polymer Stabilization: Acts as a primary antioxidant in polyolefins (PP, PE), engineering plastics, and synthetic rubbers to prevent thermal and oxidative degradation during processing and end-use.
• Rubber Industry: Used as an anti-aging agent in tire manufacturing and other rubber goods to inhibit cracking and loss of elasticity caused by ozone and oxygen.
• Lubricant & Fuel Additive: Serves as an antioxidant additive in engine oils, industrial lubricants, and fuels to prevent sludge formation and viscosity increase.
• Adhesive & Sealant Formulations: Enhances the shelf-life and long-term stability of polyurethane, silicone, and other adhesive systems.
• Coating Resins: Incorporated into acrylic, alkyd, and other coating resins to protect against yellowing and embrittlement from UV exposure and heat.
• Specialty Chemical Intermediate: Utilized in the synthesis of more complex antioxidant molecules and performance additives.

Basic Information

Product Name	1,2,3-Tris(3,5-Ditert-Butyl-4-Oxo-2,5-Cyclohexadien-1-Ylidene)Cyclopropane
CAS No.	14106-38-8
Molecular Formula	C57H78O3
Molecular Weight	811.23 g/mol
Synonyms	1,2,3-Tris(3,5-di-tert-butyl-4-oxo-2,5-cyclohexadien-1-ylidene)cyclopropane; Tris(3,5-di-tert-butyl-4-oxocyclohexa-2,5-dien-1-ylidene)cyclopropane; Antioxidant AO-20; Phenolic antioxidant 14106-38-8; Tris-phenolic cyclopropane derivative; 3,5-Di-tert-butyl-4-hydroxybenzylidenecyclopropane trimer; Cyclopropane, 1,2,3-tris[(3,5-bis(1,1-dimethylethyl)-4-oxo-2,5-cyclohexadien-1-ylidene)]-
EINECS	Contact for details

Quality Control

Our production of 1,2,3-Tris(3,5-Ditert-Butyl-4-Oxo-2,5-Cyclohexadien-1-Ylidene)Cyclopropane adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request, providing full traceability and compliance assurance for your quality protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, the container should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	245 - 255 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.