Description

1,5,7,11-Tetraoxaspiro(5.5)Undecane, 3-Methylene- is a specialized spirocyclic acetal compound that serves as a versatile building block and intermediate in advanced organic synthesis. Its unique structure, featuring a spiro center and multiple oxygen atoms, makes it valuable for creating complex molecular architectures with specific functional properties. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and performance materials sectors seeking to develop novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Used in the synthesis of complex drug molecules, particularly those requiring spirocyclic or acetal motifs for enhanced bioavailability or target specificity.
• Agrochemical Synthesis: Serves as a key precursor in the development of new herbicides, fungicides, and insecticides with novel modes of action.
• Polymer & Resin Modifier: Incorporated as a cross-linking agent or functional monomer to impart specific chemical resistance, thermal stability, or adhesion properties to advanced polymers.
• Fine Chemical Building Block: Employed in academic and industrial R&D for constructing complex ethers, crown ether analogs, and other oxygen-rich heterocycles.
• Ligand & Catalyst Development: Utilized in the design of novel chelating ligands for metal catalysis and separation sciences.
• Specialty Additives: Potential use in formulating specialty additives for fuels, lubricants, or coatings where its structural features can modify performance characteristics.

Basic Information

Product Name	1,5,7,11-Tetraoxaspiro(5.5)Undecane, 3-Methylene-
CAS No.	57516-73-1
Molecular Formula	C9H14O4
Molecular Weight	186.21 g/mol
Synonyms	3-Methylene-1,5,7,11-tetraoxaspiro[5.5]undecane; 3-Methylenepentaerythritol Formal; 3-Methylene-2,4,8,10-tetraoxaspiro[5.5]undecane; Pentaerythritol Formal, 3-Methylene-; 3-Methylenepentaerythrityl Formal; 1,3-Dioxane-5,5-bis(methanol), 2-methylene-; Spirocyclic Acetal Monomer
EINECS	Contact for details

Quality Control

Our production of 1,5,7,11-Tetraoxaspiro(5.5)Undecane, 3-Methylene- adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Every lot is analyzed using advanced chromatographic and spectroscopic techniques (HPLC, GC, NMR) to confirm identity, potency, and impurity profiles. Certificates of Analysis (COA) documenting all critical specifications are provided with each shipment. We support compliance with cGMP and ISO 9001 standards for industrial and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound may be sensitive to prolonged exposure to moisture and strong acids or bases; handle and store accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC/GC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.0%

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