Description

(Butylthio)Trioctylstannane CAS NO 70303-47-8 is a specialized organotin compound that serves as a highly effective catalyst and intermediate in advanced chemical synthesis. Its unique structure, featuring a butylthio ligand, provides distinct reactivity and stability profiles critical for demanding industrial processes. This product is essential for manufacturers in the polymer, agrochemical, and specialty chemical sectors seeking to develop high-performance materials and active ingredients.

Application

• As a catalyst or co-catalyst in polyurethane (PU) and polycarbonate production.
• As a key intermediate in the synthesis of heat stabilizers for PVC and other halogenated polymers.
• In the manufacture of agrochemicals, particularly as a precursor for fungicides and acaricides.
• For use in esterification and transesterification reactions within fine chemical synthesis.
• As a component in silicone curing systems and other specialty cross-linking applications.
• In R&D for developing novel organometallic compounds and catalytic systems.

Basic Information

Product Name	(Butylthio)Trioctylstannane
CAS No.	70303-47-8
Molecular Formula	C26H56SSn
Molecular Weight	503.46 g/mol
Synonyms	Trioctyl(butylthio)stannane; Butylthiotrioctyltin; Stannane, trioctyl(butylthio)-; Tin, trioctyl(butylthio)-; (Butylthio)trioctyltin; Octyltin sulfide derivative; Organotin sulfide catalyst; Tributyltin sulfide analog (octyl variant)
EINECS	Contact for details

Quality Control

Our production of (Butylthio)Trioctylstannane adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including GC, NMR, and elemental analysis to verify identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all specifications 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, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider maintaining under an inert atmosphere such as nitrogen to preserve optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Tin (Sn) Content	22.0 - 24.0 %
Specific Gravity (20°C)	1.00 - 1.05
Water Content (KF)	≤ 0.5%

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