Phosphorus trichloride

Phosphorus trichloride, also known by its scientific name Phosphorus(III) chloride or simply PCl3, is an inorganic compound with a CAS number of 7719-12-2. This colorless to slightly yellowish liquid exhibits a pungent and irritating odor, and is highly reactive in the presence of moisture or water. Phosphorus trichloride is classified as a toxic and corrosive chemical, requiring careful handling and storage procedures.

Features

Physical Properties: Phosphorus trichloride has a melting point of -112°C and a boiling point ranging from 74°C to 78°C. Its density at 25°C is 1.574 g/mL, with a vapor density of 4.75 relative to air. The liquid is miscible with various organic solvents such as benzene, carbon disulfide, ether, chloroform, and carbon tetrachloride.

Reactivity: This compound is highly sensitive to moisture and reacts violently with water, generating toxic gases including hydrogen chloride (HCl). Phosphorus trichloride also reacts with oxygen to form phosphorus oxychloride and with sulfur to yield phosphorus sulfochloride.

Stability: While phosphorus trichloride is generally stable under normal conditions, it is light-sensitive and incompatible with many metals, acids, alcohols, reducing agents, and oxidizing agents.

Toxicity and Hazards: Phosphorus trichloride is classified as a toxic and corrosive substance. Exposure to its vapor or liquid can cause severe irritation to the eyes, skin, and respiratory system. Long-term exposure may lead to more severe health effects, including cancer.

Applications

Chemical Industry: Phosphorus trichloride is a crucial raw material for the production of various organic phosphorus compounds. It serves as an intermediate in the synthesis of phosphorus esters, sulfur-containing phosphorus compounds, and phosphorus oxychloride.

Dye Industry: In the dye industry, phosphorus trichloride acts as a condensation agent, facilitating the synthesis of colorants and dyes.

Semiconductor Industry: It is also utilized as a doping source in the semiconductor industry, enhancing the electrical properties of materials.

Catalyst and Analytical Reagent: Phosphorus trichloride serves as a catalyst in various chemical reactions and as an analytical reagent in laboratory settings.

Our Advantage

At our Company Hangda, we specialize in the production and supply of high-purity phosphorus trichloride, ensuring consistent quality and reliability for our customers. Our key advantages include:

Purity: We offer phosphorus trichloride with a purity level of up to 99.999%, making it suitable for even the most demanding applications.

Safety: We prioritize safety throughout the production, packaging, and transportation processes. Our products are carefully handled and stored in accordance with international safety standards to minimize risks associated with this hazardous chemical.

Customization: Recognizing the diverse needs of our customers, we offer customized solutions tailored to specific application requirements.

Technical Support: Our team of experts provides comprehensive technical support, including product selection, handling instructions, and safety guidelines, to ensure a smooth and safe usage experience.

Sustainability: We are committed to sustainable practices, minimizing our environmental footprint through efficient production methods and responsible waste management.