Description

2,2,3,3,7,7,8,8-Octamethyl-5-Phenyl-1,4,6,9-Tetraoxa-5-Arsaspiro[4.4]Nonane is a specialized organoarsenic compound featuring a unique spirocyclic structure, which imparts distinct chemical properties. This compound is valued for its role as a versatile intermediate and ligand in advanced synthetic chemistry and materials science. It is primarily sought by research institutions and industrial R&D departments focused on developing novel catalysts, flame retardants, and electronic materials.

Application

• Catalyst Precursor/Ligand: Used in the synthesis of novel organometallic catalysts for polymerization and organic transformations.
• Flame Retardant Research: Serves as a key intermediate in the development of next-generation, arsenic-based flame retardant additives for polymers and textiles.
• Electronic Materials: Investigated as a dopant or precursor in the fabrication of semiconductors and other electronic components.
• Pharmaceutical Intermediates: Employed in the research and development of specialized active pharmaceutical ingredients (APIs) and diagnostic agents.
• Polymer Modification: Acts as a functional additive to modify the thermal and mechanical properties of high-performance engineering plastics.
• Chemical Synthesis: Utilized as a building block for constructing complex molecular architectures in academic and industrial research.

Basic Information

Product Name	2,2,3,3,7,7,8,8-Octamethyl-5-Phenyl-1,4,6,9-Tetraoxa-5-Arsaspiro[4.4]Nonane
CAS No.	27491-99-2
Molecular Formula	C21H33AsO4
Molecular Weight	424.40 g/mol
Synonyms	5-Phenyl-2,2,3,3,7,7,8,8-octamethyl-1,4,6,9-tetraoxa-5-arsaspiro[4.4]nonane; Octamethyl Phenyl Arsaspiro Nonane; Arsaspiro[4.4]nonane derivative; Phenylarsenic spirocyclic compound; Organoarsenic spirocycle; As-based spiro ligand; CAS 27491-99-2
EINECS	Contact for details

Quality Control

Our 2,2,3,3,7,7,8,8-Octamethyl-5-Phenyl-1,4,6,9-Tetraoxa-5-Arsaspiro[4.4]Nonane is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials. Due to its complex structure, long-term storage under an inert atmosphere (e.g., nitrogen or argon) is recommended for optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm
Residual Solvents	Meets ICH guidelines

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