Description

Phenylthiotri-n-Butyltin is a specialized organotin compound with the CAS number 17314-33-9, valued for its role as a versatile intermediate and catalyst in advanced chemical synthesis. This compound is particularly significant for its ability to facilitate specific coupling and polymerization reactions, enabling the production of high-performance materials. It is primarily needed by manufacturers in the polymer industry, agrochemical sector, and research institutions focused on developing novel organometallic reagents and stabilizers.

Application

• As a key catalyst or co-catalyst in polyurethane and silicone polymerization processes.
• As a stabilizer and heat resistance additive for PVC and other halogen-containing polymers.
• As a versatile synthetic intermediate in the preparation of other organotin compounds for agrochemicals.
• In research and development of novel organometallic complexes and reagents.
• As a potential biocide precursor in formulations for marine antifouling paints and wood preservatives (subject to regional regulations).
• In the synthesis of fine chemicals and pharmaceutical intermediates requiring selective tin-mediated reactions.

Basic Information

Product Name	Phenylthiotri-n-Butyltin
CAS No.	17314-33-9
Molecular Formula	C22H40SSn
Molecular Weight	447.31 g/mol
Synonyms	Tri-n-Butyl(phenylthio)stannane; (Phenylthio)tributyltin; Tributyl(phenylthio)stannane; Stannane, (phenylthio)tributyl-; Phenylthiotributyltin; Tributyltin phenyl sulfide; TBTP-SPh; Organotin stabilizer intermediate
EINECS	241-349-5

Quality Control

Our Phenylthiotri-n-Butyltin is produced under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed to confirm identity, potency, and impurity profiles. Certificates of Analysis (COA) detailing specific test results are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. This material is compatible with organic solvents but should be kept under an inert atmosphere for long-term storage to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or NMR)	≥ 95.0%
Tin (Sn) Content	26.0 - 27.0 %
Specific Gravity (20°C)	1.15 - 1.25
Refractive Index (n20D)	1.550 - 1.570

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