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Phosphorus Pentoxide CAS 1314-56-3

Synonyms: Phosphoric anhydride; Diphosphorus pentoxide; Phosphoric(V) oxide; Phosphorus(V) oxide; Phosphoric oxide; Phosphorus oxide; Tetraphosphorus decaoxide

Shandong Aure Chemical Co., Ltd. is one of the leading suppliers of Phosphorus Pentoxide  in China and also one of the manufacturers of this product.

We can provide customized requirements in terms of product purity, packaging specifications, and other aspects.

Please contact us to obtain the latest product information.

Product Details

Aure Chemical Delivers Excellence in Phosphorus Pentoxide (CAS 1314-56-3)

Aure Chemical is a premier global supplier of high-quality Phosphorus Pentoxide (P₂O₅), also commonly known as Phosphoric Anhydride. Identified by its CAS number 1314-56-3, this inorganic compound is a white, amorphous, highly hygroscopic solid with an extremely high affinity for water. While often represented by the empirical formula P₂O₅, its true molecular formula is tetraphosphorus decaoxide (P₄O₁₀). Phosphorus Pentoxide is renowned as one of the most powerful dehydrating agents and desiccants available. It plays an indispensable role in various industrial applications, including the manufacturing of high-purity phosphoric acid, various phosphates, specialty chemicals, and as a crucial component in many organic synthesis and industrial drying processes. Due to its vigorous reactivity with water and corrosive nature, handling and transportation of Phosphorus Pentoxide require meticulous care and strict adherence to stringent safety protocols. Aure Chemical's unwavering commitment to excellence ensures that our Phosphorus Pentoxide meets the demanding purity and performance requirements for your most critical industrial and laboratory applications, guaranteeing consistency, safety, and reliability.


Product Overview & Key Properties

Phosphorus Pentoxide (CAS No. 1314-56-3) is meticulously produced and rigorously tested to meet stringent quality standards. We ensure exceptional purity and consistent performance, essential for your critical applications:

CAS No.:1314-56-3
EC No.:215-236-1
Linear Formula: P₂O₅
Molecular Weight:141.94
Appearance:White, amorphous, highly hygroscopic solid.
Melting Point:340 °C (lit.)
Boiling point122 °C (1 mmHg)
Density:2.3 g/mL at 25 °C (lit.)
Reactivity:Reacts violently and exothermically with water to form phosphoric acid. Strong dehydrating and acidic oxide.
Corrosivity:Highly corrosive to skin, eyes, and mucous membranes.
Deliquescent:Absorbs moisture from the air readily.
RIDADR:UN 1807 8/PG 2
Chemical Structure: cas-1314-56-3.jpg

Our commitment to delivering high-purity Phosphorus Pentoxide ensures a reliable and efficient component for your critical processes, offering consistent quality for diverse industrial needs, while prioritizing uncompromising safety in handling and logistics.


Primary Applications of Phosphorus Pentoxide

Phosphorus Pentoxide's unparalleled affinity for water and its role as a precursor to various phosphorus compounds make it an indispensable chemical with extensive applications across various industries:

  1. Manufacturing of High-Purity Phosphoric Acid:

    One of its most significant uses is in the production of high-purity phosphoric acid. Controlled hydration of P₂O₅ yields phosphoric acid, which is crucial for food-grade applications, pharmaceuticals, and specialized industrial processes.

  2. Dehydrating Agent and Desiccant:

    It is widely employed as an extremely effective dehydrating agent and desiccant in chemical laboratories and industrial processes. It's used for drying gases, liquids, and solids, and for promoting dehydration reactions in organic synthesis.

  3. Production of Phosphate Esters and Salts:

    Phosphorus Pentoxide serves as a key raw material for synthesizing various phosphate esters (used as plasticizers, flame retardants, and lubricants) and phosphate salts (used in fertilizers, food additives, and detergents).

  4. Specialty Chemical Synthesis:

    It is a crucial reagent in the synthesis of numerous specialty chemicals, including certain types of catalysts, phosphorus-containing polymers, and fine chemicals.

  5. Pharmaceutical Intermediates:

    In the pharmaceutical industry, it is used as a dehydrating agent or a phosphorylating agent in the synthesis of specific active pharmaceutical ingredients (APIs) and their intermediates.

  6. Fiberglass and Glass Production:

    It can be used as a component in the production of certain types of specialty glass and fiberglass, influencing their properties.


Why Choose Aure Chemical for Your Phosphorus Pentoxide Supply?

Aure Chemical is dedicated to providing superior chemical solutions and unparalleled customer support. By partnering with us for your Phosphorus Pentoxide requirements, you benefit from:

  • Exceptional Purity & Consistent Quality: Our Phosphorus Pentoxide is manufactured to stringent purity specifications, crucial for optimizing performance in sensitive applications like high-purity acid production and specialized organic synthesis.

  • Uncompromising Safety & Compliance: Given the extreme reactivity and hazards associated with Phosphorus Pentoxide, Aure Chemical maintains world-class safety standards. Our manufacturing, storage, and transportation protocols are meticulously designed to adhere strictly to international safety regulations and best practices for handling highly hygroscopic and corrosive materials.

  • Reliable Global Supply Chain: We maintain a robust and efficient global supply network, guaranteeing timely and secure delivery of this critical chemical to your facilities worldwide, with specialized logistics for hazardous solids.

  • Expert Technical & Safety Support: Our dedicated team of experienced chemists and highly trained safety specialists is readily available to offer comprehensive guidance on product application, stringent safe handling procedures, emergency response planning, and optimal storage conditions for Phosphorus Pentoxide.

  • Commitment to Quality & Responsible Stewardship: We adhere to the highest industry standards for quality management, environmental responsibility, and product stewardship across all our operations, ensuring peace of mind for our clients and the responsible management of hazardous chemicals.

Choose Aure Chemical for a trustworthy and dependable supply of high-quality Phosphorus Pentoxide. We're ready to support your most demanding and innovative industrial processes with an unwavering commitment to safety and excellence.


Packaging, Transportation & Storage Solutions

At Aure Chemical, we understand the critical importance of rigorous packaging, transportation, and storage for chemical products. To ensure the safety and integrity of the products you purchase, and to comply with international and national regulations, we provide the following general guidelines. Please note that each specific product has its own Safety Data Sheet (SDS), which contains the most detailed and authoritative information on packaging, transportation, and storage. We strongly advise you to consult and strictly adhere to the SDS for the respective product.

I. Packaging SolutionsII. Transportation SolutionsIII. Storage Solutions

We utilize various UN (United Nations) certified packaging containers based on the chemical nature, hazard class, and transportation requirements of our products. Common packaging types include, but are not limited to:

  • Steel Drums: Suitable for a wide range of liquid and solid products, especially flammable liquids.

  • Plastic Drums/Jerricans: Primarily used for corrosive liquids like acids and bases, or substances incompatible with metal.

  • Composite Drums: Combine the corrosion resistance of a plastic inner liner with the strength of a steel or fiber outer shell.

  • IBCs (Intermediate Bulk Containers): Often referred to as "Tote Bins" or "Cubic Tanks," these are used for larger volumes of liquid or solid dangerous goods, offering efficient storage and transport solutions.

  • Lined Bags or Fibre Drums: Primarily used for powdered or granular solids.

  • Glass Bottles: Typically used as inner packaging for small quantities of high-purity or specialized chemicals, requiring additional absorbent material and sturdy outer packaging (e.g., wooden crates, fiberboard boxes).

  • Steel Cylinders: Specifically designed and constructed as pressure vessels for the storage and transport of compressed, liquefied, or dissolved gases. Available in various capacities and pressure ratings, they are built to withstand high internal pressures and ensure the safe containment of gaseous substances.

All packaging undergoes stringent testing and complies with UN packaging performance levels to ensure product safety under normal transport conditions.

We strictly adhere to international and regional regulations for the transport of dangerous goods, ensuring full compliance and safety from our facility to your delivery point.

  • Sea Freight (IMDG Code): We strictly comply with the International Maritime Dangerous Goods (IMDG) Code, using UN-certified containers and ensuring proper dangerous goods declaration, marking, and stowage.

  • Air Freight (IATA DGR): We follow the International Air Transport Association (IATA) Dangerous Goods Regulations, which impose the strictest requirements for packaging, labeling, documentation, and quantity limitations.

  • Road/Rail Transport (ADR/RID & Local Regulations): We comply with the European Agreement concerning the International Carriage of Dangerous Goods by Road (ADR), the Regulations concerning the International Carriage of Dangerous Goods by Rail (RID), and specific national/regional regulations to ensure safe land transport.

Regardless of the transport mode, we will provide the following essential documentation:

  • Safety Data Sheet (SDS/MSDS): Provides product hazard information, safe handling guidelines, emergency measures, etc.

  • Dangerous Goods Declaration (DGD): Detailed information on dangerous goods, packing group, UN number, etc., for carriers and relevant authorities.

  • Other Necessary Certifications or Documents: Such as Certificates of Analysis (COA).

Upon receiving your shipment, please carefully verify the integrity of the packaging and the label information.

Proper storage is crucial for maintaining product quality and ensuring operational safety. The following are general storage principles:

  • Dedicated Areas: Dangerous chemicals should be stored in designated warehouses or areas that meet safety standards, away from residential zones and densely populated areas.

  • Segregated Storage: Strictly classify and segregate products according to their hazard class to prevent incompatible substances from being stored together and causing dangerous reactions (e.g., acids and bases separated, flammables away from oxidizers).

  • Good Ventilation: Storage areas should maintain good natural or forced ventilation to prevent the accumulation of hazardous gases or vapors.

  • Temperature & Humidity Control: Control the temperature and humidity of the storage environment according to the recommendations in the SDS. Avoid direct sunlight and extreme temperatures.

  • Fire and Explosion Prevention: Storage areas for flammable and explosive products should be equipped with adequate fire-fighting equipment, prohibit open flames, and ensure electrical equipment meets explosion-proof standards.

  • Clear Labeling: All storage containers and areas should have clear, conspicuous hazard labels and warning signs.

  • Spill Response: Storage areas should be equipped with appropriate spill response equipment and materials, and personnel should be familiar with emergency procedures.

  • Regular Inspections: Periodically inspect the integrity of storage containers to ensure no leaks or damage, and verify label information.

  • Away from Food and Drinking Water: Avoid cross-contamination.

Should you have any questions regarding the packaging, transportation, or storage of specific products, or require a customized solution, please do not hesitate to contact us.

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