Description

3,3-Dibutyl-2,4,3-Benzodioxastannepin-1,5-Dione is a specialized organotin compound featuring a unique heterocyclic structure. This chemical matters as a versatile intermediate and catalyst in advanced organic synthesis, offering distinct reactivity for constructing complex molecules. It is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and material science industries for developing new active ingredients and functional polymers.

Application

• As a catalyst or catalyst precursor in polyurethane and silicone polymer synthesis.
• An intermediate in the research and development of novel pharmaceutical compounds.
• A key reagent in the synthesis of agrochemicals, such as fungicides and acaricides.
• Used in material science for the surface modification of inorganic particles.
• Employed in organic synthesis for transesterification and condensation reactions.
• Potential use as a stabilizer in specific PVC formulations (subject to regulatory approval).
• Research applications in organometallic chemistry and catalysis studies.

Basic Information

Product Name	3,3-Dibutyl-2,4,3-Benzodioxastannepin-1,5-Dione
CAS No.	6688-50-2
Molecular Formula	C18H26O4Sn
Molecular Weight	425.10 g/mol
Synonyms	3,3-Dibutyl-2,4,3-benzodioxastannepin-1,5-dione; Dibutyltin catecholate; Dibutyltin catechol complex; Stannepin, 3,3-dibutyl-2,4,3-benzodioxastannepin-1,5-dione; Dibutyltin (IV) catecholate; DBTL-Catechol Complex; Tin, dibutyl[(1,2-phenylenedioxy)di-]-, (OC-6-11)-; EINECS 229-724-8
EINECS	229-724-8

Quality Control

Our 3,3-Dibutyl-2,4,3-Benzodioxastannepin-1,5-Dione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids, strong bases, and oxidizing agents. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Tin (Sn) Content	27.8% - 28.2%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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