Description

Tetraphenylphosphonium thiocyanate is a quaternary phosphonium salt with a thiocyanate counterion, valued for its role as a versatile phase-transfer catalyst and reagent in organic synthesis. Its unique structure facilitates reactions in biphasic systems, making it a critical component for enhancing reaction rates and yields in specialized chemical manufacturing. This compound is primarily sought by R&D laboratories and industrial producers in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecular architectures.

Application

• Phase-Transfer Catalyst (PTC): Widely employed to accelerate reactions between reagents in immiscible solvents, particularly in alkylation, esterification, and polymerization processes.
• Polymerization Initiator/Co-catalyst: Used in the synthesis of specific polymers and resins, where it helps control molecular weight and polymer structure.
• Organic Synthesis Reagent: Serves as a source of the thiocyanate (SCN⁻) anion or the tetraphenylphosphonium cation in various nucleophilic substitution and salt metathesis reactions.
• Electrolyte Additive: Investigated for use in electrochemical applications and battery research to modify electrolyte properties.
• Intermediate for Specialty Chemicals: Acts as a key building block in the multistep synthesis of more complex phosphonium-based ionic liquids or functional materials.
• Research & Development: Utilized in academic and industrial R&D for developing new synthetic methodologies and exploring novel reaction pathways.

Basic Information

Product Name	Tetraphenylphosphonium Thiocyanate
CAS No.	35171-64-3
Molecular Formula	C25H20NP2S
Molecular Weight	401.47 g/mol
Synonyms	TPPT; Tetraphenylphosphonium rhodanide; Phosphonium, tetraphenyl-, thiocyanate; Thiocyanic acid, tetraphenylphosphonium salt; Tetraphenylphosphonium isothiocyanate; (Tetraphenylphosphoranylidene)thiocyanate; NSC 163082
EINECS	Contact for details

Quality Control

Our Tetraphenylphosphonium thiocyanate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided, reporting key parameters such as assay, melting point, and impurity profiles. We adhere to relevant industry standards and can support requirements for research and commercial-scale applications.

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 product is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	< 20 ppm

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