the leading phosphorus pentoxide suppliers in China. Safety (MSDS) data for phosphorus pentoxide -------------------------------------------------------------------------------- General Synonyms: diphosphorus pentoxide, phosphorus (V) oxide, phosphorus pentaoxide, phosphorus oxide, phosphoric anhydride Molecular formula: P4O10 CAS No: 1314-56-3 EINECS No: 215-236-1 Physical data Appearance: white powder or crystals with a sharp irritating odour Melting point: 360 C Boiling point: Vapour density: 4.9 (air = 1) Vapour pressure: 10 mm Hg at 238 C Density (g cm-3): 2.38 Flash point: Explosion limits: Autoignition temperature: Water solubility: Stability Stable, but reacts violently with water, alcohols, metals, sodium, potassium, ammonia, oxidizing agents, HF, peroxides, magnesium, strong bases. Toxicology Very toxic. May be fatal if inhaled, swallowed or absorbed through the skin. Very destructive of mucous membranes. Eye contact may lead to serious permanent eye damage. Causes burns. Toxicity data (The meaning of any abbreviations which appear in this section is given here.) IHL-RAT LC50 1217 mg/m3/1h IHL-MUS LC50 271 mg/m3/1h IHL-RBT LC50 1689 mg/m3/1h IHL-GPG LC50 61 mg/mg3/1h Risk phrases (The meaning of any risk phrases which appear in this section is given here.) R35. Transport information (The meaning of any UN hazard codes which appear in this section is given here.) UN No 1807. Packing group II. Major hazard class 8.0. Transport category 2. Personal protection Safety glasses, gloves, good ventilation. Safety phrases (The meaning of any safety phrases which appear in this section is given here.) S22 S26 S45. [Return to Physical & Theoretical Chemistry Lab. Safety home page.] -------------------------------------------------------------------------------- This information was last updated on September 5, 2003. We have tried to make it as accurate and useful as possible, but can take no responsibility for its use, misuse, or accuracy. We have not verified this information, and cannot guarantee that it is up-to-date. PHOSPHORUS PENTOXIDE -------------------------------------------------------------------------------- 1. Product Identification Synonyms: Phosphorus Oxide; Phosphoric Anhydride; Phosphorus pentaoxide CAS No.: 1314-56-3 Molecular Weight: 141.94 Chemical Formula: P2O5 Product Codes: J.T. Baker: 2155, 9374, 9378 Mallinckrodt: 6612 -------------------------------------------------------------------------------- 2. Composition/Information on Ingredients Ingredient CAS No Percent Hazardous --------------------------------------- ------------ ------------ --------- Phosphorus Pentoxide 1314-56-3 99 - 100% Yes -------------------------------------------------------------------------------- 3. Hazards Identification Emergency Overview -------------------------- DANGER! CORROSIVE. CAUSES BURNS TO ANY AREA OF CONTACT. HARMFUL IF SWALLOWED OR INHALED. FUMES CAUSE IRRITATION TO EYES AND RESPIRATORY TRACT. WATER REACTIVE. REACTS VIOLENTLY WITH WATER TO GENERATE HEAT AND PHOSPHORIC ACID. J.T. Baker SAF-T-DATA(tm) Ratings (Provided here for your convenience) ----------------------------------------------------------------------------------------------------------- Health Rating: 2 - Moderate Flammability Rating: 0 - None Reactivity Rating: 3 - Severe (Water Reactive) Contact Rating: 3 - Severe (Corrosive) Lab Protective Equip: GOGGLES; LAB COAT; PROPER GLOVES Storage Color Code: White (Corrosive) ----------------------------------------------------------------------------------------------------------- Potential Health Effects ---------------------------------- Phosphorus pentoxide reacts with moisture on body tissue surfaces to form phosphoric acid, which approximates sulfuric acid and hydrochloric acids in corrosive intensity. Inhalation: Inhalation produces damaging effects on the mucous membranes and upper respiratory tract. Symptoms may include irritation of the nose and throat, and labored breathing. May cause lung edema, a medical emergency. Ingestion: Corrosive. Releases heat on contact with moisture and will burn mucous surfaces. Sore throat, abdominal pain, nausea, vomiting, and diarrhea may result. Brown or yellow stains will ne found around the mouth. Suffocation may occur from swelling of the tongue. Aspiratiuon into the lungs can cause chemical pneumonitis. Ingestion of this material has caused human fatalities. Skin Contact: Corrosive. Contact can cause severe irritation, burns, redness, and pain. Burns usually penetrate the skin with sharply defined edges, and heal slowly with the formation of scar tissue. Eye Contact: Corrosive. Fumes and airborne powder cause eye irritation. Contact with substance can cause severe eye burns and permanent damage. Chronic Exposure: Chronic ingestion or inhalation may induce systemic phosphorous poisoning. Liver damage, kidney damage, jaw/tooth abnormalities, blood disorders and cardiovascular effects can result. Aggravation of Pre-existing Conditions: Persons with pre-existing skin disorders or eye problems, jaw/tooth abnormalities, or impaired liver, kidney or respiratory function may be more susceptible to the effects of the substance. -------------------------------------------------------------------------------- 4. First Aid Measures Inhalation: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention immediately. Ingestion: Aspiration hazard. If swallowed, vomiting may occur spontaneously, but DO NOT INDUCE. If vomiting occurs, keep head below hips to prevent aspiration into lungs. Never give anything by mouth to an unconscious person. Call a physician immediately. Skin Contact: Wipe off excess material from skin then immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Get medical attention immediately. Wash clothing before reuse. Thoroughly clean shoes before reuse. Eye Contact: Immediately flush eyes with plenty of water for at least 15 minutes, lifting lower and upper eyelids occasionally. Get medical attention immediately. -------------------------------------------------------------------------------- 5. Fire Fighting Measures Fire: Non-combustible but can cause high local temperatures in contact with water; heat generated may be enough to ignite other materials. Reacts violently with water to form phosphoric acid. Phosphoric acid in contact with common metals may generate flammable and explosive hydrogen gas. Explosion: Not considered to be an explosion hazard. Fire Extinguishing Media: Dry chemical or carbon dioxide. If water is used, the amount should be enough to overcome heat and acid build-up. Special Information: In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full facepiece operated in the pressure demand or other positive pressure mode. -------------------------------------------------------------------------------- 6. Accidental Release Measures Ventilate area of leak or spill. Keep unnecessary and unprotected people away from area of spill. Wear appropriate personal protective equipment as specified in Section 8. Treat spilled material with an excess of soda ash or slaked lime, mix and add water cautiously to yield acid(s) and react with the alkali until fully neutralized. Collect the residual for disposal. Flush spill area with plenty of water. -------------------------------------------------------------------------------- 7. Handling and Storage Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. Isolate from incompatible substances. Keep away from water. Store away from flammable materials and animal feed. If water or moisture is present, type 316LSS rubber-lined steel or FRP are the preferred materials of construction. Mild steel is the preferred material of construction of process equipment, storage or shipping containers when the product is kept dry. Containers of this material may be hazardous when empty since they retain product residues (dust, solids); observe all warnings and precautions listed for the product. -------------------------------------------------------------------------------- 8. Exposure Controls/Personal Protection Airborne Exposure Limits: -OSHA Permissible Exposure Limit (PEL): 1 mg/m3 (TWA) for phosphoric acid -ACGIH Threshold Limit Value (TLV): 1 mg/m3 (TWA), 3 mg/m3 (STEL) for phosphoric acid Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures below the Airborne Exposure Limits. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area. Please refer to the ACGIH document, Industrial Ventilation, A Manual of Recommended Practices, most recent edition, for details. Personal Respirators (NIOSH Approved): If the exposure limit is exceeded and engineering controls are not feasible, a full facepiece respirator with high efficiency particulate filter (NIOSH type N100 filter) may be worn up to 50 times the exposure limit or the maximum use concentration specified by the appropriate regulatory agency or respirator supplier, whichever is lowest. If oil particles (e.g. lubricants, cutting fluids, glycerine, etc.) are present, use a NIOSH type Ror P filter. For emergencies or instances where the exposure levels are not known, use a full-facepiece positive-pressure, air-supplied respirator. WARNING: Air purifying respirators do not protect workers in oxygen-deficient atmospheres. Skin Protection: Wear impervious protective clothing, including boots, gloves, lab coat, apron or coveralls, as appropriate, to prevent skin contact. Eye Protection: Use chemical safety goggles and/or full face shield where dusting or splashing of solutions is possible. Maintain eye wash fountain and quick-drench facilities in work area. -------------------------------------------------------------------------------- 9. Physical and Chemical Properties Appearance: White, very deliquescent crystals or powder. Odor: Pungent, sharp, irritating odor. Solubility: Exothermic reaction with water. Specific Gravity: 2.39 pH: < 2 (0.1 N aqueous sol. of phosphoric acid) % Volatiles by volume @ 21C (70F): 0 Boiling Point: Not applicable. Melting Point: 300 - 360C (572 - 680F) Vapor Density (Air=1): No information found. Vapor Pressure (mm Hg): 1 @ 384C (723F) Evaporation Rate (BuAc=1): Not applicable. -------------------------------------------------------------------------------- 10. Stability and Reactivity Stability: Stable under ordinary conditions of use and storage. Reacts violently with water to form phosphoric acid. Hazardous Decomposition Products: Phosphorus oxides may form when heated to decomposition. Hazardous Polymerization: Will not occur. Incompatibilities: Ammonia, calcium oxide, chlorine trifluoride, hydrogen fluoride, oxygen difluoride, perchloric acid, perchloric acid and chloroform, potassium, propargyl alcohol, sodium, sodium carbonate, sodium hydroxide, water, and a mixture of water and organic material. Conditions to Avoid: Moisture and incompatibles. -------------------------------------------------------------------------------- 11. Toxicological Information Inhalation rat LC50: 1217 mg/m3/1-hr. --------\Cancer Lists\------------------------------------------------------ ---NTP Carcinogen--- Ingredient Known Anticipated IARC Category ------------------------------------ ----- ----------- ------------- Phosphorus Pentoxide (1314-56-3) No No None -------------------------------------------------------------------------------- 12. Ecological Information Environmental Fate: No information found. Environmental Toxicity: No information found. -------------------------------------------------------------------------------- 13. Disposal Considerations Whatever cannot be saved for recovery or recycling should be handled as hazardous waste and sent to a RCRA approved waste facility. Processing, use or contamination of this product may change the waste management options. State and local disposal regulations may differ from federal disposal regulations. Dispose of container and unused contents in accordance with federal, state and local requirements. -------------------------------------------------------------------------------- 14. Transport Information Domestic (Land, D.O.T.) ----------------------- Proper Shipping Name: PHOSPHORUS PENTOXIDE Hazard Class: 8 UN/NA: UN1807 Packing Group: II Information reported for product/size: 500G International (Water, I.M.O.) ----------------------------- Proper Shipping Name: PHOSPHORUS PENTOXIDE Hazard Class: 8 UN/NA: UN1807 Packing Group: II Information reported for product/size: 500G -------------------------------------------------------------------------------- 15. Regulatory Information --------\Chemical Inventory Status - Part 1\--------------------------------- Ingredient TSCA EC Japan Australia ----------------------------------------------- ---- --- ----- --------- Phosphorus Pentoxide (1314-56-3) Yes Yes Yes Yes --------\Chemical Inventory Status - Part 2\--------------------------------- --Canada-- Ingredient Korea DSL NDSL Phil. ----------------------------------------------- ----- --- ---- ----- Phosphorus Pentoxide (1314-56-3) Yes Yes No Yes --------\Federal, State & International Regulations - Part 1\---------------- -SARA 302- ------SARA 313------ Ingredient RQ TPQ List Chemical Catg. ----------------------------------------- --- ----- ---- -------------- Phosphorus Pentoxide (1314-56-3) No 10 No No --------\Federal, State & International Regulations - Part 2\---------------- -RCRA- -TSCA- Ingredient CERCLA 261.33 8(d) ----------------------------------------- ------ ------ ------ Phosphorus Pentoxide (1314-56-3) 1 No No Chemical Weapons Convention: No TSCA 12(b): No CDTA: No SARA 311/312: Acute: Yes Chronic: Yes Fire: No Pressure: No Reactivity: Yes (Pure / Solid) Australian Hazchem Code: 4W Poison Schedule: None allocated. WHMIS: This MSDS has been prepared according to the hazard criteria of the Controlled Products Regulations (CPR) and the MSDS contains all of the information required by the CPR. -------------------------------------------------------------------------------- 16. Other Information NFPA Ratings: Health: 3 Flammability: 1 Reactivity: 3 Other: Water reactive Label Hazard Warning: DANGER! CORROSIVE. CAUSES BURNS TO ANY AREA OF CONTACT. HARMFUL IF SWALLOWED OR INHALED. FUMES CAUSE IRRITATION TO EYES AND RESPIRATORY TRACT. WATER REACTIVE. REACTS VIOLENTLY WITH WATER TO GENERATE HEAT AND PHOSPHORIC ACID. Label Precautions: Do not breathe dust. Do not get in eyes, on skin, or on clothing. Keep container closed. Do not contact with water. Use only with adequate ventilation. Wash thoroughly after handling. Reaction with water can generate enough heat to ignite materials that burn. Label First Aid: Aspiration hazard. If swallowed, vomiting may occur spontaneously, but DO NOT INDUCE. If vomiting occurs, keep head below hips to prevent aspiration into lungs. Never give anything by mouth to an unconscious person. Call a physician immediately. In case of contact, wipe off excess material from skin then immediately flush eyes or skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Get medical attention immediately. If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention immediately. Product Use: Laboratory Reagent. Revision Information: No Changes. Disclaimer: ************************************************************************************************ Mallinckrodt Baker, Inc. provides the information contained herein in good faith but makes no representation as to its comprehensiveness or accuracy. This document is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose. MALLINCKRODT BAKER, INC. MAKES NO REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE INFORMATION SET FORTH HEREIN OR THE PRODUCT TO WHICH THE INFORMATION REFERS. ACCORDINGLY, MALLINCKRODT BAKER, INC. WILL NOT BE RESPONSIBLE FOR DAMAGES RESULTING FROM USE OF OR RELIANCE UPON THIS INFORMATION. ************************************************************************************************ Prepared by: Environmental Health & Safety Phone Number: (314) 654-1600 (U.S.A.) PHOSPHOROUS PENTOXIDE PRODUCT IDENTIFICATION CAS NO. 1314-56-3 EINECS NO. 215-236-1 FORMULA P4O10 MOL WT. 283.89 H.S. CODE 280920 TOXICITY SYNONYMS Phosphoric Anhydride; Diphosphorus Pentoxide; Phosphorus Pentoxide; Phosphoric Pentoxide; Diphosphorus Pentoxide; DERIVATION Phosphorus( 7723-14-0 ) with excess oxygen CLASSIFICATION PHYSICAL AND CHEMICAL PROPERTIES PHYSICAL STATE White, very deliquescent solid wiith irritating odor MELTING POINT 580 C (under pressure) BOILING POINT sublimes at 300 C SPECIFIC GRAVITY 2.39 SOLUBILITY IN WATER Exothermically reacts pH < 2 (0.1 N aqueous sol. of phosphoric acid) VAPOR DENSITY 4.9 AUTOIGNITION NFPA RATINGS Health: 3 Flammability: 1 Reactivity: 3 Other: water reactive REFRACTIVE INDEX FLASH POINT Non-combustible STABILITY Stable under ordinary conditions GENERAL DESCRIPTION & APPLICATIONS Phosphorus Pentoxide is a white, flammable, dangerous, and extremely deliquescent solid; specific gravity 2.39; melting point 580 C (under pressure); sublimes at 300 C. The solid reacts with water violently to produce phosphoric acid. It is prepared by phosphorus reaction with excess oxygen. The crude is then purified by sublimation. Phosphorus pentoxide structure consists of each P atoms linked to three others by oxygen bridges with a terminal oxygen atom. It is used as a strong dehydrating agent, capable even of dehydrating concentrated sulphuric acid into sulphur trioxide. It dehydrates amides to nitriles. End applications include manufacture of phosphorus compounds, purifying sugar, optical glass, heat-insulating glass, medicine, pesticide and surfactant manufacturings. SALES SPECIFICATION APPEARANCE white to yellow crystalline powder ASSAY 97.0% min P2O3 0.5% max IRON 20ppm max ARSENIC 30ppm max Pb 10ppm max TRANSPORTATION PACKING 20kgs in Drum HAZARD CLASS 8 UN NO. 1807 DESCRIPTION OF PHOSPHORUS Phosphorus is a nonmetallic chemical element in group 15 (nitrogen family, formerly Va) of periodic table; atomic number 15 atomic mass 30.9738; melting point ca 44.1 C (white); boiling point ca 280 C (white); specific gravity 1.82 (white), 2.34 (red), 2.70 (black); valence -3, +3, or +5 ; electronic config. 2-8-5 or 1s 22s 22p 63s 23p 3. The phosphorus molecule is composed of four phosphorus atoms, P4. Phosphorus exists in a number of allotropic forms [white (alpha and beta), red, black and/or violet] in the same physical state. White phosphorus is a white to yellow waxy substance which ignites spontaneously in air to form white fumes of phosphorus pentoxide and glows without emitting heat. Phosphorus is stored underwater as it is extremely poisonous, insoluble in water (but soluble in carbon disulfide). Commercial production of elemental phosphorus is prepared from phosphorite or phosphate rock (apatite, an impure calcium phosphate mineral) reacting with coke and sand or silica pebblesor at high temperatures in an electric furnace. Calcium silicate is produced as a by-product. White phosphorus is used as a deoxidizing agent in the preparation of steel and phosphor bronze. It is also used in rat poisons and to make smoke screens (by burning) for warfare. When white phosphorus is heated to about 250 C with air absence, it changes into the red phosphorus. Red phosphorus, a dark redish powder or crystal, does not ignite spontaneously unless heated to 200 C, does not phosphoresce and it is a little less dangerous than white phosphorus. It is used to make matches. Red phosphorus is prepared commercially by heating calcium phosphate with sand and coke in an electric furnace. Black allotrope is obtained industrially by heating at 300 C under pressure with a mercury catalyst. It has a layer structure and is stable. The major use of phosphorus compounds is in fertilizers, mainly as a mixture called superphosphate (calcium hydrogen phosphate), obtained from phosphate minerals by sulfuric acid treatment; and in nitrophosphates. Phosphorus is burned to make phosphorus pentoxide [phosphorus(V) oxide], a white solid used as a chlorinating agent in organic chemistry, as a drying agent and mainly converted to phosphoric acid used to make phosphates for fertilizers, electro chemical polishing and shaping, electroplating, metal cleaning and pickling in metal treatment by reaction with water. Phosphorus is highly reactive. A wide range of compounds is formed for uses in detergents, water softeners, pharmaceuticals, dentifrices, and in many other important applications. It forms metal phosphides and covalently bonded phosphorus(III) and phosphorus(V) compounds. Phosphoric acid can combine with certain alkaline elements to form salts called phosphates.
[Formula] P2O5
[Purity(P2O5)] 98%min
[Water insoluble] 0.02% max
[Arsenic(As)] 30 ppm max
[Heavy metal(as pb)] 30 ppm max
[Packing] 20kgs net P.Bags
[Formula]
P2O5