Description

Thiophosphoryl Bromide is a versatile and highly reactive organophosphorus compound with the formula PSBr3. This chemical serves as a critical building block in organic synthesis, enabling the introduction of thiophosphoryl and bromine functionalities. It is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to synthesize novel active ingredients and advanced intermediates. Its reactivity makes it a valuable reagent for creating sulfur- and phosphorus-containing compounds.

Application

• Pharmaceutical Intermediate: Key reagent in the synthesis of novel drug candidates, particularly those containing phosphorus-sulfur bonds for targeted biological activity.
• Agrochemical Synthesis: Used in the production of advanced pesticides, insecticides, and fungicides, contributing to crop protection solutions.
• Ligand and Catalyst Precursor: Serves as a starting material for creating specialized ligands and catalysts used in transition metal catalysis and coordination chemistry.
• Flame Retardant Additive Development: A precursor in the research and manufacture of phosphorus-based flame retardants for polymers and materials.
• Chemical Research & Development: An essential tool in academic and industrial R&D labs for exploring new reactions and synthesizing complex organophosphorus molecules.
• Specialty Polymer Modification: Employed to introduce functional groups that alter the properties of polymers for high-performance applications.

Basic Information

Item	Detail
Product Name	Thiophosphoryl Bromide
CAS No.	3931-89-3
Molecular Formula	PSBr3
Molecular Weight	348.72 g/mol
Synonyms	Phosphorothioic Bromide; Phosphorus Sulfide Tribromide; Thiophosphoryl Tribromide; Phosphorothioic Tribromide; PSBr3; Tribromothiophosphorane; Sulfur Monophosphorus Tribromide
EINECS	223-508-6

Quality Control

Our Thiophosphoryl Bromide is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, purity verification, and impurity profiling, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and consistency.

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 product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Density (at 20°C)	~2.85 g/mL
Boiling Point	~125°C (decomposes)

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