Description

Tri-n-Propyltin Chloride is an organotin compound with the CAS number 2279-76-7, widely utilized as a key intermediate in organic synthesis. This compound is valued for its role in the production of heat stabilizers for PVC and as a precursor for various biocidal and catalytic agents. It is essential for manufacturers and R&D facilities in the plastics, agrochemical, and specialty chemical industries seeking reliable organometallic building blocks.

Application

• PVC Heat Stabilizer Intermediate: A crucial precursor in the synthesis of organotin-based heat stabilizers for rigid and flexible PVC applications.
• Biocide Synthesis: Used in the manufacturing of tributyltin and tripropyltin derivatives for antifouling paints and wood preservatives.
• Catalyst Precursor: Serves as a starting material for catalysts employed in esterification, transesterification, and polyurethane formation reactions.
• Organic Synthesis Reagent: Acts as an alkylating agent and a key intermediate in the synthesis of more complex organotin compounds for research.
• Polymer Modification: Employed in the production of specialty polymers and coatings to impart specific functional properties.
• Agrochemical Intermediates: Used in the synthesis of certain organotin-based agrochemicals.

Basic Information

Item	Details
Product Name	Tri-n-Propyltin Chloride
CAS No.	2279-76-7
Molecular Formula	C9H21ClSn
Molecular Weight	283.42 g/mol
Synonyms	Tripropyltin Chloride; Chlorotripropylstannane; Chlorotripropyltin; Tripropylstannyl Chloride; TPT-Cl; NSC 176071; Stannane, chlorotripropyl-; (n-C3H7)3SnCl
EINECS	218-923-5

Quality Control

Our Tri-n-Propyltin Chloride is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including assay by titration and impurity profiling, to ensure it meets the high-purity standards required for industrial and research applications. A Certificate of Analysis (COA) detailing purity, identity, and specific test results is provided with every shipment.

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). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere such as nitrogen or argon to prevent degradation. Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/Titration)	≥ 97.0%
Tin (Sn) Content	41.0 - 42.5 %
Chloride Content	12.0 - 13.0 %
Specific Gravity (20°C)	1.20 - 1.30
Water Content (KF)	≤ 0.5%

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