Description

7,9-Ditert-Butyl-1-Oxaspiro[4.5]Deca-6,9-Diene-2,8-Dione is a specialized spirocyclic diketone compound that serves as a high-performance intermediate and functional additive. Its unique molecular structure provides exceptional stability and reactivity, making it a valuable component for advanced material synthesis. This product is primarily sought by R&D laboratories and industrial manufacturers in the polymer, agrochemical, and pharmaceutical sectors for developing novel formulations with enhanced properties.

Application

• Polymer Additive & Stabilizer: Acts as a key intermediate in the synthesis of high-performance light stabilizers (HALS) and antioxidants for plastics, coatings, and synthetic fibers to prevent degradation from heat and UV exposure.
• Pharmaceutical Intermediate: Serves as a crucial building block in the research and development of active pharmaceutical ingredients (APIs) with complex spirocyclic architectures.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents, where its structural motif can contribute to the efficacy and environmental profile of novel pesticides or herbicides.
• Fine Chemical Synthesis: Employed as a versatile precursor in organic synthesis for creating complex molecules in academic and industrial research settings.
• Material Science Research: Utilized in the development of novel organic electronic materials, dyes, or photoactive compounds due to its conjugated diketone system.

Basic Information

Product Name	7,9-Ditert-Butyl-1-Oxaspiro[4.5]Deca-6,9-Diene-2,8-Dione
CAS No.	82304-66-3
Molecular Formula	C17H24O3
Molecular Weight	276.37 g/mol
Synonyms	1-Oxaspiro[4.5]deca-6,9-diene-2,8-dione, 7,9-bis(1,1-dimethylethyl)-; 7,9-Di-tert-butyl-1-oxaspiro[4.5]deca-6,9-diene-2,8-dione; Spirocyclic Diketone Derivative; Light Stabilizer Intermediate 770; BLS 2905 (Trade Name); DTBO; 2,8-Dioxo-7,9-di-tert-butyl-1-oxaspiro[4.5]deca-6,9-diene
EINECS	Contact for details

Quality Control

Our production of 7,9-Ditert-Butyl-1-Oxaspiro[4.5]Deca-6,9-Diene-2,8-Dione adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic purity assays and structural confirmation. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
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.