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Triphenylphosphine CAS#603-35-0
Basic Information
C₁₈H₁₅P
Triphenylphosphine is a white to off-white crystalline phosphine ligand. It is freely soluble in ether, soluble in benzene and chloroform, nearly insoluble in water, and sufficiently thermally robust for high-temperature synthesis under inert conditions. It is a standard ligand in homogeneous catalysis and a key reagent in Wittig reactions. Other uses include preparation of organophosphorus intermediates and sulfonated derivatives for petrochemical and fine-chemical processes.
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High Solubility in Organic Solvents：Easily soluble in ether, soluble in benzene, chloroform, and glacial acetic acid, facilitating its application in diverse chemical processes.
Stable Physical Properties：Exhibits a high boiling point (>360°C under inert gas) and a defined melting range (78.5–81.5°C), ensuring robustness under high-temperature conditions.
Versatile Ligand Role in Catalysis：Serves as a critical ligand for homogeneous catalysts, widely utilized in petrochemical and fine chemical production, driving efficiency in reactions.
Growing Demand and Emerging Applications：Shows increasing annual demand due to continuous development of new uses, highlighting its expanding relevance in industrial chemistry.
Product Description of Triphenylphosphine CAS#603-35-0
Triphenylphosphine has a molecular formula of C18H15P and a molecular weight of 262.30. It is a white to off-white crystalline powder, freely soluble in ether, soluble in benzene, chloroform and glacial acetic acid, slightly soluble in ethanol, and practically insoluble in water. Its melting point is 78.5–81.5 °C, and boiling point exceeds 360 °C under an inert atmosphere. As a key ligand for homogeneous catalysts, it is widely used in petrochemical and fine chemical industries with growing application scope and market demand.
Product Application of Triphenylphosphine CAS#603-35-0
Triphenylphosphine can be sulfonated with oleum to synthesize its trisulfonic acid derivative. It is widely used in Wittig reactions and serves as a standard ligand in homogeneous catalytic systems.
Parameters
Safety Information
Delivery Time
Inventory 2-3 working days New manufacturing 7-10 working days
Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
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1. What products does Shandong Junzheng Chemical supply?
We supply inorganic chemicals, organic solvents, water treatment chemicals, and surfactants, including calcium chloride, soda ash, sodium bicarbonate, caustic soda, citric acid, ethyl acetate, and SLES. Please contact us to confirm specific product availability.
2. Which industries do your products serve?
Our products serve pharmaceutical, agrochemical, dye, rubber, construction, coal processing, and other chemical industries. Product suitability depends on the required grade, specifications, and application.
3. How can I get a quotation?
Please provide the product name, CAS number, required specifications, quantity, packaging requirements, and destination port. These details help us prepare an accurate quotation.
4. How do you control product quality?
We follow strict quality testing procedures supported by technical personnel, research equipment, and an established management system. Specific quality requirements can be confirmed before placing an order.
5. Can you help me select a suitable chemical?
Yes. Our technical team can assist with product selection based on your application and required specifications. Please share your intended use and key technical requirements.
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