Description

Bis(Triphenyltin)Sulfide is an organotin compound with the CAS number 77-80-5, widely recognized for its biocidal and catalytic properties. This chemical serves as a highly effective stabilizer and catalyst in various industrial polymerization processes. It is primarily utilized by manufacturers in the plastics, agrochemical, and specialty chemical sectors seeking reliable performance additives.

Application

• PVC Stabilizer: Acts as a highly effective heat and light stabilizer in the production of rigid and flexible polyvinyl chloride (PVC) products.
• Biocide & Antifouling Agent: Used in marine paints and coatings to prevent the growth of algae, barnacles, and other organisms on ship hulls and underwater structures.
• Catalyst: Serves as a catalyst or catalyst precursor in specific organic synthesis and polycondensation reactions.
• Wood Preservative: Employed in formulations to protect timber from fungal decay and insect damage.
• Agrochemical Intermediate: Functions as a key intermediate in the synthesis of certain fungicides and pesticides.
• Silicone Cross-Linker: Used in the curing and cross-linking of silicone polymers to enhance material properties.

Basic Information

Product Name	Bis(Triphenyltin)Sulfide
CAS No.	77-80-5
Molecular Formula	C36H30SSn2
Molecular Weight	668.04 g/mol
Synonyms	Bis(triphenylstannyl) sulfide; Hexaphenylditin sulfide; Triphenyltin sulfide; Stannane, triphenyl-, sulfide (1:1); Fentin sulfide; TPTS; ENT 28,009; Tin, triphenyl-, sulfide
EINECS	201-058-5

Quality Control

Our Bis(Triphenyltin)Sulfide is manufactured under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise customer and industry specifications. A Certificate of Analysis (COA) documenting purity, physical characteristics, and test results is provided with each shipment.

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 material is easily oxidized and should be kept under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to maintain stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	118 - 122 °C
Loss on Drying	≤ 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.