Description

Bis(2-Methoxycarbonylphenoxy)Tin is an organotin compound with the CAS number 52120-23-7, primarily utilized as a specialized catalyst and intermediate in advanced chemical synthesis. This compound is valued for its ability to facilitate specific esterification and transesterification reactions, offering controlled reactivity for high-precision manufacturing processes. It is a critical material for R&D laboratories and industrial producers in the polymer, fine chemical, and pharmaceutical sectors seeking efficient and selective catalytic systems.

Application

• Primary catalyst in esterification and transesterification reactions for polymer production.
• Key intermediate in the synthesis of specialized organotin stabilizers for PVC and other plastics.
• Used in the manufacture of fine chemicals and active pharmaceutical ingredients (APIs).
• Employed in R&D for developing novel metal-organic frameworks (MOFs) and coordination polymers.
• Catalyst for the production of polyesters and other condensation polymers.
• Component in cross-linking agents for silicone and other specialty elastomers.

Basic Information

Product Name	Bis(2-Methoxycarbonylphenoxy)Tin
CAS No.	52120-23-7
Molecular Formula	C18H18O6Sn
Molecular Weight	449.04 g/mol
Synonyms	Bis(2-carbomethoxyphenoxy)tin; Di(2-methoxycarbonylphenoxy)tin; Tin bis(2-methoxycarbonylphenoxide); Stannane, bis(2-methoxycarbonylphenoxy)-; Bis(o-methoxycarbonylphenoxy)tin; Organotin catalyst 52120-23-7; Tin(IV) bis(salicylate methyl ester derivative)
EINECS	Contact for details

Quality Control

Our Bis(2-Methoxycarbonylphenoxy)Tin is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters such as assay, tin content, and impurity profiles are provided and available upon request, supporting compliance with relevant industry and research standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (Tin content)	≥ 26.0 %
Purity (HPLC)	≥ 98.0 %
Melting Point	Contact for details
Loss on Drying	≤ 1.0 %

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