Description

Triphenylphosphine Hydroiodide is a versatile and highly reactive organophosphorus salt, primarily valued as a potent deoxygenating and reducing agent in synthetic organic chemistry. Its core value proposition lies in its ability to facilitate critical transformations, such as the conversion of epoxides to alkenes and the reduction of sulfoxides, with high efficiency and selectivity. This makes it an indispensable reagent for research chemists and process development scientists across the pharmaceutical, agrochemical, and advanced materials sectors seeking to streamline complex synthetic routes.

Application

• Deoxygenation Reagent: Key for the efficient reduction of sulfoxides to sulfides and for the deoxygenation of epoxides to alkenes (e.g., via the Corey-Winter reaction).
• Pharmaceutical Intermediate Synthesis: Employed in the preparation of complex drug molecules and active pharmaceutical ingredients (APIs) where selective reduction steps are required.
• Agrochemical Production: Used in the synthesis of certain pesticides and herbicides that contain sulfur or require specific stereochemistry.
• Polymer & Materials Chemistry: Acts as a catalyst or reagent in the synthesis of specialized polymers and functional materials.
• Laboratory Research: A staple reagent in academic and industrial R&D labs for methodological development and exploratory synthesis.
• Fine Chemical Manufacturing: Applied in the production of high-value, complex organic compounds for various industrial applications.

Basic Information

Product Name	Triphenylphosphine Hydroiodide
CAS No.	6396-08-3
Molecular Formula	C18H18IP
Molecular Weight	392.21 g/mol
Synonyms	Triphenylphosphonium Iodide; Phosphonium, triphenyl-, iodide (1:1); Triphenylphosphine-Iodine Complex; TPPHI; HI-PPh3; Phenylphosphine, triphenyl-, hydroiodide
EINECS	229-005-4

Quality Control

Our Triphenylphosphine Hydroiodide is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is analyzed to confirm identity, potency, and impurity profiles. Certificates of Analysis (COA) detailing specifications such as assay (by titration), melting point, and heavy metal content are provided and available upon request to support your quality assurance processes.

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 compound is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent decomposition.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0%
Melting Point	190 - 195 °C
Heavy Metals (as Pb)	≤ 20 ppm
Loss on Drying	≤ 1.0 %

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