Description

Tin(II) Methanesulfonate is an organotin salt of methanesulfonic acid, valued for its high solubility and stability in various organic and aqueous systems. This compound serves as a versatile and efficient catalyst and reagent in specialized organic synthesis and electroplating processes. It is primarily sought by manufacturers in the electronics, fine chemical, and advanced materials sectors for applications requiring a mild, non-oxidizing source of tin(II) ions.

Application

• Electroplating & Surface Finishing: A key component in tin and tin-alloy electroplating baths for electronics, connectors, and semiconductor packaging, providing smooth, dense deposits.
• Organic Synthesis Catalyst: Used as a Lewis acid catalyst in reactions such as esterifications, transesterifications, and Friedel-Crafts acylations.
• Polymerization Initiator: Acts as a co-catalyst or initiator in the production of certain polyesters and other condensation polymers.
• Chemical Vapor Deposition (CVD) Precursor: Serves as a tin source for depositing tin oxide (SnO2) thin films in photovoltaic and sensor applications.
• Solder Flux Additive: Incorporated in specialized flux formulations to improve wetting and reduce oxidation during soldering processes.
• Research & Development: Employed in academic and industrial R&D for developing new synthetic methodologies and materials.

Basic Information

Product Name	Tin(II) Methanesulfonate
CAS No.	53408-94-9
Molecular Formula	C2H6O6S2Sn
Molecular Weight	308.90 g/mol
Synonyms	Stannous Methanesulfonate; Tin Bis(methanesulfonate); Methanesulfonic Acid, Tin(2+) Salt; Tin(2+) Methanesulfonate; Tin Dimethanesulfonate; Stannous Mesylate; Tin(II) Mesylate; Tin Methanesulphonate
EINECS	258-558-1

Quality Control

Our Tin(II) Methanesulfonate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure consistent purity and performance. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, metal impurities, and solution clarity. We adhere to relevant industry standards and can support compliance requirements for global markets.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent hydrolysis and oxidation. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (Tin Content)	≥ 38.0 % (by Titration)
Purity (HPLC)	≥ 98.0 %
Water Content (KF)	≤ 1.0 %
Insolubles	≤ 0.5 %
Heavy Metals (as Pb)	≤ 50 ppm
Iron (Fe)	≤ 20 ppm

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