Description

Tri-n-Butyltin Bromide is a versatile organotin compound with the CAS number 1461-23-0, widely recognized for its role as a key intermediate and catalyst in advanced chemical synthesis. Its value lies in its ability to facilitate specific organic transformations, making it a critical reagent for producing high-value specialty chemicals. This product is essential for research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and polymer sectors seeking reliable and high-purity synthetic building blocks.

Application

• Catalyst Precursor: Serves as a starting material for generating active tin-based catalysts used in transesterification, polymerization, and other organic reactions.
• Pharmaceutical Intermediate: Employed in the synthesis of active pharmaceutical ingredients (APIs) and other complex organic molecules requiring tin-mediated coupling steps.
• Agrochemical Synthesis: Used in the production of certain fungicides, herbicides, and other crop protection agents where organotin chemistry is applied.
• Polymer Stabilizer & Catalyst: Acts as a component in formulations for PVC stabilizers and as a catalyst in the production of polyurethanes and silicones.
• Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic methodologies and material science applications.
• Surface Treatment Agent: Utilized in specialized coatings and surface modification processes for glass and other materials.

Basic Information

Product Name	Tri-n-Butyltin Bromide
CAS No.	1461-23-0
Molecular Formula	C12H27BrSn
Molecular Weight	370.05 g/mol
Synonyms	Tributyltin Bromide; Bromotributylstannane; Stannane, bromotributyl-; TBTO Bromide; Tri-n-butylstannyl Bromide; NSC 63735; Tributylstannane Bromide; (Tributylstannyl)bromide
EINECS	215-958-5

Quality Control

Our Tri-n-Butyltin Bromide is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay by titration and identification by spectroscopic methods (IR, NMR), to confirm its chemical identity and meet stringent specifications. A Certificate of Analysis (COA) detailing all test results 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). This compound is sensitive to strong bases and should be kept away from incompatible materials. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 97.0%
Tin (Sn) Content	31.5 - 32.5 %
Bromine (Br) Content	21.0 - 22.0 %
Specific Gravity (20°C)	1.30 - 1.35
Refractive Index (n20D)	1.510 - 1.520

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