Phosphoruspentoxide 99.5%
10 Inquiries
1314-56-3
Industrial Grade
99.5%
SHANGHAI
200kg/0.2kg Bag
2016-12-31
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Product Description
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Seller Information
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Inquiry History
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Description
phosphorus pentoxide(200kg/steel drum)
1、Another name: anhydrous phosphoric acid
2. Molecular formula: P2O5
3. Molecular weight: 141.94Classification of hazardous materials: GB8.1-81063. IMDG CODE p8198,8
Use: in synthesis of phosphorus oxychloride, metaphosphoric acid; in manufacture of acrylate, surface active agent; in refining of drugs and sugar; as dehydrating agent, desiccant, antistatic agent; analytical reagent.
Properties: White crystals, very deliquescent, density 0.9g/cm3,mp. 580-585C, sublimation temperature 300C, vapor pressure 133.3Pa (384C). May transform to amorphous from under elevated temperature and pressure. Readily absorbs moisture from. Exothermic hydrolysis by water to yield phosphoric acid.
Hazards Identification: Non-flammable. Reacts vigorously with water and water-containing substances like wood or cotton, liberates much heat and may even cause fire. Corrosive to metal. Very irritating. May cause severe burn to eye, skin, mucosa and respiratory tract even at as low as 1mg/cm3.
Fire fighting measures: Wear full protective gear. Do NOT use water directly on fire. Use dry chemical, carbon dioxide, or alcohol-resistant foam.
First aid measures:
Inhalation: Remove from exposure to fresh air immediately. Get medical aid.
Eye: Flush eyes with plenty of water for at least 15 minutes. Ger medical aid.
Skin: Flush skin with plenty of water. Get medical aid.
Labeling: Corrosive
Storage & Handling: Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from water, metals, alkali and flammable substances Handle with care. Keep containers tightly closed. Avoid moisture.
Accidental Release Measures: Wear full protective gear. Neutralize the spills with a mixed solution of sodium bicarbonate and calcium hydroxide.
Specifications & Technical Data:
Item
Index
Chemical pure
Analytic pure
Industrial grade
Assay
≥99%
≥99.5%
≥99.5%
Live R
1.2
1.7
2.0
Reduced (P2O3)
≤0.02
≤0.01
≤0.01
Learity test
Qualified
Qualified
Qualified
Water insoluble matter
≤0.02
≤0.02
≤0.02
Total N
≤0.01
≤0.002
≤0.002
Heavy metals with (the Pb allounts)
≤0.01
≤0.002
≤0.002
Fe
≤0.01
≤0.002
≤0.001
As
≤0.01
≤0.005
≤0.003
Basic Info-
Product Name:
Phosphorus pentoxide
Other Name:Phosphorus oxide (P2O5);Diphosphorus pentoxide;Phosphoric anhydride;Phosphorus pentaoxide;Phosphorus pentoxide;Diphosphorus pentaoxide;Phosphoric pentoxide;Diphosphorus pentaoxide (P2O5);Phosphorus oxide;Phosphoric acid anhydride;Phosphoric oxide;24377-84-2;50811-86-4;59778-57-3;72906-42-4;2566863-42-9
CAS No.:1314-56-3
Molecular Formula:O5P2
InChIKeys:YWEUIGNSBFLMFL-UHFFFAOYSA-N
Molecular Weight:141.94500
Exact Mass:141.92200
EC Number:615-868-1
ICSC Number:0545
UN Number:1807
DSSTox ID:DTXSID9047754
Color/Form:/There are/ several crystalline & amorphous modifications; commercial form, hexagonal|White, orthogonal crystals|Exists in several forms but is often referred to by its empirical formula P2O5. Three crystalline polymorphs (H, O, O'), two distinct liquids,and several amorphous or glassy solids are recognized. The best-characterized form is the H (hexagonal) or alpha modification that consists of P4O10 molecules.
HScode:2809100000
Categories:
Characteristics-
PSA:
145.79000
XLogP3:1.1788
Appearance:White to yellow crystalline powder
Density:2.30 g/cm3
Melting Point:562 °C
Boiling Point:500 °C @ Press: 550 Torr
Flash Point:340-360°C
Refractive Index:1.433-1.436
Water Solubility:soluble in sulfuric acid. Insoluble in acetone and ammonia. Decomposes in water.Readily absorbs moisture from the air forming a syrup of meta-, pyro-, and orthophosphoric acids. Reacts violently with water releasing considerable heat [Oldbury Chemicals, p. 9].
Storage Conditions:Storage Room low temperature ventilation drying ,Separate storage of caustic soda and flammable materials
Vapor Pressure:1 mm Hg ( 384 °C)
Vapor Density:4.9 (vs air)
Flammability characteristics:Non-combustible. But encountering water and organic materials such as wood, cotton or straw, it reacts violently to release heat, may cause a fire.
Experimental Properties:Very deliquescent. Readily absorbs moisture from the air. Exothermic hydrolysis by water to form phosphoric acid. The reaction with alcohol is similar.|Heat of formation: -365.83 kcal/mole. Specific heat: 0.170 cal/g/ °C. Heat of fusion: 8.2 kcal/mole.|Sublimation temperature 360 °C.|Most important chemical property is its avidity for water. Below 100 °C, it is one of the most dehydrating agents known, extracting water from substances that are considered good dehydrating agents. For example it converts pure HNO3 to N2O5, H2SO4 to SO3, dehydrates amides to nitriles, reacts with alcohols to produce esters of simple and polymeric phosphoric acids, and effects ring closures and other condensation reactions.|For more Other Experimental Properties (Complete) data for PHOSPHORUS PENTOXIDE (6 total), please visit the HSDB record page.
Air and Water Reactions:Readily absorbs moisture from the air forming a syrup of meta-, pyro-, and orthophosphoric acids. Reacts violently with water releasing considerable heat [Oldbury Chemicals, p. 9]. There is a possibility that this very rapid, exothermic reaction would create a toxic acidic mist in a spill of the chemical into water.
Reactive Group:Anhydrides
Reactivity Alerts:Water-Reactive
Reactivity Profile:PHOSPHORIC ANHYDRIDE reacts violently and exothermically with water. The heat can ignite surrounding or admixed combustible materials. Undergoes hazardous or violent reactions with metal hydroxides and oxides, formic acid, hydrogen fluoride and hydrofluoric acid, iodides, metals (in particular potassium and sodium), oxidizing agents (bromine pentafluoride, chlorine trifluoride, perchloric acid, oxygen difluoride, hydrogen peroxide), ammonia, and proparygl alcohol. [Bretherick, 5th ed., 1995, p. 1781; EPA, 1998]. A violent explosion occurs if a solution of perchloric acid in chloroform is poured over phosphorus pentaoxide [EPA, 1998].
Corrosivity:Corrosive
Heat of Vaporization:22.7 kcal/mole of P4O10
Hazard IdentificationClassification of the substance or mixture
Skin corrosion, Sub-category 1A
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Danger
Hazard statement(s) H314 Causes severe skin burns and eye damage
Precautionary statement(s) Prevention P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P264 Wash ... thoroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P363 Wash contaminated clothing before reuse.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P316 Get emergency medical help immediately.
P321 Specific treatment (see ... on this label).
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage P405 Store locked up.
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
NO contact with water or combustible substances. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Separated from combustible substances, reducing agents, strong oxidants, strong bases, water and food and feedstuffs. Dry.
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Seller Information
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Business Type:
Manufactory
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Location:
Jiangsu Changzhou, Qishuyan Fang Houzhu Village No. 341
Changzhou Qishuyan Fine Chemical CO., LTD. Founded in 1992 which is specialized in producing phosphorus pentoxide and polyphosphoric acid with a complete of equipments and testing instruments covers an area of 10000 m2 and more. The enterprise locates at Qishuyan district of Changzhou City.It has staff and members of more than 35 persons including three professional persons. At present, its annual production capability has reached above 5500 tons. The products for industrial grade and reagent grade comply with the requirements of all the customers.Changzhou Qishuyan Fine Chemical Co., Ltd. (original Changzhou Qishuyan Fine Chemical Plant) was established in 1992.We are licensed to import/export chemical products, and offer expertise on phosphorus pentoxide (P2O5) production.Our company is one of the biggest P2O5 producers in China and the only facility using stainless steel equipment in the manufacturing process.Our annual production capacity is about 5,500 tons.In addition to being well-established in the Chinese (domestic) chemical market, our product has also been sold in the Unites States, Germany, Japan, Korea, Spain, Brazil, and India,Our P2O5 product has been well accepted by our international customers and recognized as a high quality chemical product.In order to meet customers varied needs,we produce pure, analytical, and industrial grade P2O5 products. Our mission is to satisfy our customers needs and requirements with superior products.We sincerely welcome any comments or suggestions on our product quality and packaging, while continuously providing our best services.Our company would like to work closely with our business partners based on the key elements of good reputation, high product quality, and efficient customer services.To expand mutual business,we did like to develop partnerships and incorporate technology exchange with domestic/international business partners.
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Inquiry History10 Inquiries
Country Product Purchase Quantity Date Posted 
Russia
P2O5 (P4O10)
20 KG Jul 29, 2024 
Brazil
PHOSPHORUS PENTOXIDE
8311.00 KG Jun 16, 2025 
South Korea
Phosphorus Pentoxide
18 MT Jun 7, 2024 
India
Spend phosphoric acid (P2O5)
1.00 KG Oct 9, 2025
Russia
Phosphorus Pentoxide
54 MT Sep 25, 2025 
United States
phosphorous pentoxide
100 KG Oct 10, 2024
India
Phosphorus pentoxide
1.00 MT Jul 1, 2024 
Germany
DIPHOSPHORUS PENTAOXIDE
1 20' Fcl May 7, 2024
South Korea
P2O5
1 20' Fcl Apr 8, 2024 
Egypt
Phosphorus pentoxide
2 MT Aug 24, 2024 Post an enquiry for this product
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