Description

4,8-Dicyclohexyl-2,10-Dimethyl-6-(Octadecyloxy)-12H-Dibenzo[D,G][1,3,2]Dioxaphosphocin is a specialized organophosphorus compound with a complex, sterically hindered molecular structure. This compound matters as a high-performance additive and intermediate, offering unique properties derived from its bulky cyclohexyl groups and long alkyl chain. Industrial R&D chemists and formulators in the polymer and advanced materials sectors need it for developing products with enhanced stability and tailored functionalities.

Application

• As a specialized phosphite antioxidant or stabilizer in high-temperature polymer processing (e.g., polyolefins, engineering plastics).
• As a key synthetic intermediate for creating complex ligands used in catalysis and coordination chemistry.
• As a performance additive in lubricant and grease formulations to improve oxidative stability and wear resistance.
• In advanced material research for developing flame-retardant systems or modifying surface properties.
• As a building block in pharmaceutical and agrochemical research for novel active ingredient synthesis.
• For use in specialty coatings and adhesives where enhanced durability and resistance to degradation are required.

Basic Information

Product Name	4,8-Dicyclohexyl-2,10-Dimethyl-6-(Octadecyloxy)-12H-Dibenzo[D,G][1,3,2]Dioxaphosphocin
CAS No.	73912-20-6
Molecular Formula	C46H73O3P
Molecular Weight	705.04 g/mol
Synonyms	6-(Octadecyloxy)-4,8-dicyclohexyl-2,10-dimethyldibenzo[d,g][1,3,2]dioxaphosphocin; Dibenzo[d,g][1,3,2]dioxaphosphocin, 4,8-dicyclohexyl-2,10-dimethyl-6-(octadecyloxy)-; Phosphite derivative CAS 73912-20-6; Sterically hindered phosphite; Antioxidant 73912-20-6; Long-chain alkyl phosphite; Cyclohexyl-substituted dibenzodioxaphosphocin
EINECS	Contact for details

Quality Control

Our production of 4,8-Dicyclohexyl-2,10-Dimethyl-6-(Octadecyloxy)-12H-Dibenzo[D,G][1,3,2]Dioxaphosphocin adheres to strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical specifications are available upon request to support your quality assurance and regulatory needs.

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 material is light-sensitive (store away from light) and may be hygroscopic (moisture-sensitive). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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