Description

Bis(3-Methylsalicylic Acid)1,1,3,3-Tetrabutyl-1,3-Distanna-2-Oxapropane-1,3-Diyl Ester is a specialized organotin compound with a complex molecular architecture, serving as a high-performance intermediate in advanced chemical synthesis. This compound is valued for its unique reactivity profile, which enables precise control in catalytic and polymerization processes. It is primarily sought by research and development teams in the pharmaceutical, agrochemical, and advanced materials sectors for creating novel compounds and functional polymers.

Application

• Catalyst Precursor: Used in the synthesis of specialized catalysts for polyurethane and silicone polymer production.
• Polymer Stabilizer Intermediate: Serves as a key building block for manufacturing high-efficiency heat and light stabilizers for PVC and other polymers.
• Pharmaceutical Intermediate: Employed in the research and development of novel active pharmaceutical ingredients (APIs) requiring specific organometallic motifs.
• Agrochemical Synthesis: Acts as an intermediate in the creation of advanced fungicides and biocides with enhanced efficacy.
• Material Science Research: Utilized in academic and industrial R&D for developing new organometallic frameworks and functional materials.
• Cross-Coupling Reactions: Functions as a reagent or catalyst component in specialized metal-mediated organic transformations.

Basic Information

Item	Detail
Product Name	Bis(3-Methylsalicylic Acid)1,1,3,3-Tetrabutyl-1,3-Distanna-2-Oxapropane-1,3-Diyl Ester
CAS No.	1620951-72-5
Molecular Formula	C38H60O6Sn2
Molecular Weight	852.71 g/mol
Synonyms	1,1,3,3-Tetrabutyl-1,3-distanna-2-oxapropane-1,3-diyl bis(3-methylsalicylate); Tetrabutyl Distannoxane Dimer of 3-Methylsalicylic Acid; Bis(3-methylsalicylato)tetrabutyldistannoxane; Organotin Stabilizer Intermediate TBDS-MSA; TBDS bis(3-methylsalicylate); Distannoxane Derivative of 3-Methylsalicylic Acid; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our production of Bis(3-Methylsalicylic Acid)1,1,3,3-Tetrabutyl-1,3-Distanna-2-Oxapropane-1,3-Diyl Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is 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 a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider maintaining the material under an inert atmosphere such as nitrogen or argon to preserve stability.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Tin (Sn) Content	27.5% - 28.5%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 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.