Description

7-Oxa-3,20-Diazadispiro[5.1.11.2]heneicosane-20-propanoic acid, 2,2,4,4-tetramethyl-21-oxo-, dodecyl ester is a high-purity, synthetic organic compound belonging to the class of complex spirocyclic molecules. This specialty chemical is valued for its unique structural framework, which imparts specific functional properties critical for advanced material science and pharmaceutical research applications. It serves as a key intermediate or functional additive for R&D chemists and process engineers in the pharmaceutical, agrochemical, and performance polymer industries.

Application

• Pharmaceutical Intermediate: Serves as a sophisticated building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting neurological or metabolic pathways.
• Agrochemical Research: Used in the development of new-generation pesticides and herbicides, where its spirocyclic structure can contribute to unique modes of action and environmental stability.
• Polymer Additive: Functions as a light stabilizer, antioxidant, or compatibilizer in high-performance engineering plastics and specialty coatings to enhance durability and longevity.
• Ligand Synthesis: Acts as a precursor for creating complex chelating agents or catalysts used in asymmetric synthesis and metal-organic frameworks (MOFs).
• Material Science: Investigated for its potential in creating novel organic semiconductors or liquid crystal materials due to its rigid, three-dimensional geometry.
• Cosmetic Science: Potential use as a UV-absorbing or skin-conditioning agent in high-end cosmetic formulations, subject to regulatory approval and safety testing.

Basic Information

Item	Detail
Product Name	7-Oxa-3,20-Diazadispiro[5.1.11.2]heneicosane-20-propanoic acid, 2,2,4,4-tetramethyl-21-oxo-, dodecyl ester
CAS No.	85099-51-0
Molecular Formula	C32H59NO4
Molecular Weight	521.82 g/mol
Synonyms	Dodecyl 2,2,4,4-tetramethyl-21-oxo-7-oxa-3,20-diazadispiro[5.1.11.2]heneicosane-20-propanoate; LS-770; Uvinul 770; Benzeneacetic acid, α,α,α',α'-tetramethyl-3,20-diazadispiro[5.1.11.2]heneicosane-20-propanoic acid, 7-oxa-21-oxo-, dodecyl ester; 3,20-Diazadispiro[5.1.11.2]heneicosane-20-propanoic acid, 7-oxa-2,2,4,4-tetramethyl-21-oxo-, dodecyl ester; Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate derivative; Light stabilizer 770; Hindered amine light stabilizer (HALS) intermediate.
EINECS	Contact for details

Quality Control

Our production of 7-Oxa-3,20-Diazadispiro[5.1.11.2]heneicosane-20-propanoic acid, 2,2,4,4-tetramethyl-21-oxo-, dodecyl ester adheres to a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and quality assurance for your R&D and manufacturing processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain product stability.

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%
Heavy Metals (as Pb)	≤ 10 ppm

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