Web site owner: Calcium Phosphate is the calcium salt of phosphoric acid with widely used applications. Other pesticides similar to calcium phosphide are zinc phosphide and aluminium phosphide. Balancing this would result to, amount of water to make I liter of solution. Calcium phosphide and water react to form calcium hydroxide and phosphine gas. KEEP PEOPLE AWAY. NO water… Experimental details are in the following: (USCG, 1999). NO contact with water, oxidizing agents or acids. Molecular Weight 182.18 . NR = Not recommended due to insufficient data. Heating calcium-rich limestones decomposes the carbonate, producing calcium oxide, or Consult a physician. CALCIUM PHOSPHIDE page 3 of 6 * If there is the possibility of skin exposure, emergency shower facilities should be provided. Calcium Phosphide is a semiconductor used in high power, high frequency applications and in laser diodes. Phosphine will normally ignite spontaneously in contact with air. Upon oral uptake, calcium phosphate competes for and blocks the absorption of radium (Ra-226) and strontium in the gastrointestinal (GI) tract. Take victim immediately to hospital. Brown, H.M. Hartmann, W.A. IIT JEE 1999: One mole of calcium phosphide on reaction with excess water gives (A) one mole of phosphine (B) two moles of phosphoric acid (C) two mol This method of vermin control has possible use in places where rodents immune to many of the common warfarin-type (anticoagulant) poisons have appeared. Linear Formula Ca 3 P 2. While the concentration of the Ca(OH)2 component in the solution is 0.01 mol/1, the concentration of thc Ca(OH)2 species is negligible at this pH because the bulk of the solution calcium is in the form of free Ca2* ions ancl a small amount is in the fortr cll' ion pairs with phosphate. including trade names and synonyms. Other, more exotic calcium phosphides have the formula CaP, CaP3, Ca2P2, and Ca5P8. Wear goggles and self-contained breathing apparatus. Contributes dense smoke of phosphoric acid. [citation needed] Safety considerations. 5. Decomposed by water or moist air evolving toxic phosphine gas which often ignites [Van Schwartz 1918 p.327]. Other, more exotic calcium phosphides have the formula CaP, CaP3, Ca2P2, and Ca5P8. Calcium phosphide is the inorganic compound with the formula Ca3P2. Pesticide properties for Calcium phosphide, including approvals, environmental fate, eco-toxicity and human health issues Belongs to the Following Reactive Group(s), Dust respirator; protective gloves and clothing; goggles. Calcium phosphide ≥8% active phoshor (P) basis; CAS Number: 1305-99-3; EC Number: 215-142-0; Linear Formula: Ca3P2; find Sigma-Aldrich-04501 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich. Solid calcium phosphide and carbon monoxide are produced from the reactio phosphate with elemental carbon. Phosphine (PH3) can be prepared by the hydrolysis of calcium phosphide, Ca3P2: Ca3P2+ 6 H20 --> 3 Ca(OH)2 + 2 PH3 Based on this equation. [1], It may be formed by reaction of the elements,[2] but it is more commonly prepared by carbothermal reduction of calcium phosphate:[3], The structure of the room temperature form of Ca3P2 has not been confirmed by X-ray crystallography. Very confused about this problem. Aqueous sodium iodide, sulfuric acid, and solid manganese(IV) oxide combine to yield sodium sulfate, manganese(II) sulfate, insoluble molecular iodine crystals, and water. It is speculated that calcium phosphide—made by boiling bones in urine, within a closed vessel—was an ingredient of some ancient Greek fire formulas. Calcium carbide reacts vigorously with water to produce calcium hydroxide and acetylene gas.. CaC 2 + 2 H 2 O → C 2 H 2 + Ca(OH) 2. If there is an excess of water this fire of phosphine will not normally ignite surrounding combustible material. Simplified View Change; Carriage restrictions: Carriage in BULK and ADR TANKS and PORTABLE TANKS is not permitted: UN No. It reacts with water to form calcium hydroxide and phosphine, a flammable poisonous gas. At the end of the workshift, wash any areas of the body that may have A high temperature phase has been characterized by Rietveld refinement. Ca3P2 has the appearance of grey lumps, its trade name is Polytanol for the use as rodenticide. Haney, Argonne National Laboratory, Argonne, Illinois, June 2009. (USCG, 1999), Inhalation or ingestion causes faintness, weakness, nausea, vomiting. Soluble in acid, insoluble in ethanol and ethyl ether; It is prepared by heating aluminum or carbon to reduce calcium phosphate. Poisonous, flammable vapor is produced. It is one of several phosphides of calcium, being described as the salt-like material composed of Ca2+ and P3−. It reacts with water to form calcium hydroxide and phosphine, a flammable poisonous gas. Question: Is Ca3(PO4)2 ( calcium phosphate ) Soluble or Insoluble in water ? CALCIUM PHOSPHIDE: ICSC: 1126: May 2002: CAS #: 1305-99-3: UN #: 1360 EC Number: 215-142-0 ACUTE HAZARDS PREVENTION FIRE FIGHTING; FIRE & EXPLOSION: Not combustible but forms flammable gas on contact with water or damp air. During the 1920s and 1930s, Charles Kingsford Smith used separate buoyant canisters of calcium carbide and calcium phosphide as naval flares lasting up to ten minutes. It may be formed by reaction of the elements. It is one of several phosphides of calcium, being described as the salt-like material composed of Ca2+ and P3−.Other, more exotic calcium phosphides have the formula CaP, CaP3, Ca2P2, Ca5P8. Can someone help please! Other pesticides similar to calcium phosphide are zinc phosphide and aluminium phosphide. A mixture of food and calcium phosphide is left where the rodents can eat it. The acid in the digestive system of the rodent reacts with the phosphide to generate the toxic gas phosphine. calcium phosphide : Nombre IUPAC : calcium phosphide : Nombre CAS : calcium phosphide : Otra información de estado - Relevant Environmental Water Quality Standards - Herbicide Resistance Classification (HRAC) No aplicable : Herbicide Resistance Classification (WSSA) Ca3P2(s) + 6 H2O(l)→3 Ca(OH)2(aq) + 2 PH3(g) If calcium hydroxide is produced at a … Calcium phosphide (CP, Ca 3 P 2) is a chemical is used in incendiary bombs.It has the appearance of red-brown crystalline powder or grey lumps, with melting point of 1600 °C. Except where otherwise noted, data are given for materials in their, "CALCIUM PHOSPHIDE | CAMEO Chemicals | NOAA", https://en.wikipedia.org/w/index.php?title=Calcium_phosphide&oldid=963200450, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, red-brown crystalline powder or grey lumps, This page was last edited on 18 June 2020, at 13:09. 1360: NAME and description: CALCIUM PHOSPHIDE: Techical name (SP 274, 318, 61, 220) Alternative PSN: Class: 4.3: Classification code: WT2 Calcium phosphide is reacted with an excess of water to produce calcium hydroxide and phosphine? If there is an excess of water this fire of phosphine will not normally ignite surrounding combustible material. Calcium chloride is a dessicant and deicing agent, while calcium silicate is used as an alternative to asbestos for high-temperature insulation. Avoid inhalation. Lower Explosive Limit (LEL): data unavailable, Upper Explosive Limit (UEL): data unavailable, Autoignition Temperature: data unavailable, Vapor Density (Relative to Air): data unavailable, Nitrides, Phosphides, Carbides, and Silicides, National Oceanic and Atmospheric Administration. CALCIUM PHOSPHIDE and hydrochloric acid undergo a very energetic reaction [Mellor 8:841 1946-47]. Calcium phosphide. On contact with acids or water, calcium phosphide releases phosphine, which is toxic and can cause explosions in air. Manganese(II) oxide, potassium hydroxide, molecular oxygen, and molecular chlorine water. Calcium phosphide (CP) is the inorganic compound with the formula Ca3P2. Calcium phosphide appears as red-brown crystals to gray granular lumps. Properties Chemical. Calcium phosphide is also used in fireworks, torpedoes, self-igniting naval pyrotechnic flares, and various water-activated ammunition. This section provides a listing of alternate names for this chemical, Articles of Calcium phosphide are included as well. Calcium phosphide reacts vigorously with water to generate gaseous PH3. 4. INHALATION: remove to fresh air; call a physician and alert to possibility of phosphine poisoning. Calcium Phosphide (CAS NO.1305-99-3) has the appearance of red-brown crystalline powder or grey lumps, with melting point of 1600 °C. MDL number MFCD00015986. 2H2O. To balance this, you just have to ensure that there is an equal amount of elements in both the reactant and product side.. Calcium and other alkaline earth phosphides incandesce in oxygen when heated. Show evidence to support your answer. Writing calcium hydroxide + phosphoric acid yield calcium phosphate + water in chemical equation would be, #Ca(OH)_2 + H_3PO_4 -> Ca_3(PO_4)_2 + H_2O# but it still needs to be balanced. [4], Calcium phosphide is a common impurity in calcium carbide, which may cause the resulting phosphine-contaminated acetylene to ignite spontaneously.[5]. Solubility Solubility is the property of a solid, liquid, or gaseous chemical substance called solute to dissolve in a solid, liquid, or gaseous solvent. I don't even know where to begin! It is one of several phosphides of calcium, being described as the salt-like material composed of Ca2+ and P3−. Photophor Evacuate. PubChem Substance ID 24864973 Ca3P2 +6H2O ----> 3Ca(OH)2(aq) +2PH3(g) What will the total pressure of the container be when 3.0 grams of Ca3P2 are reacted in a closed 5.5 mL container at 20 degrees Celsius? National Oceanic and Atmospheric Administration. CALCIUM PHOSPHIDE CPP CAUTIONARY RESPONSE INFORMATION Common Synonyms Solid Gray Musty odor Reacts violently with water. Its trade name is Photophor for the incendiary use or Polytanol for the use as rodenticide.. USA.gov. EC Number 215-142-0. Calcium phosphide appears as red-brown crystals to gray granular lumps. AVOID CONTACT WITH LIQUID AND VAPOR. Freeman, and W.D. Metal phosphides are used as a rodenticide. The relevant Phosphide Calcium phosphide It is a reddish brown crystal or gray granular material with melting point of about 1600℃ and relative density of 2.51. Calcium phosphide is found in pyrotechnic applications such as fireworks, flares, and incindiery bombs. Phosphine will normally ignite spontaneously in contact with air. Behavior in Fire: Can cause spontaneous ignition if wet. (USCG, 1999). In case of skin contact Wash off with soap and plenty of water. Based on a scenario where the chemical is spilled into an excess of water (at least 5 fold excess of water), half of the maximum theoretical yield of Phosphine gas will be created in 15 minutes. External contact with dust causes irritation of eyes and skin. It does not melt, instead decomposing when heated to 109°C (228°F).Monobasic calcium phosphate, Ca(H2PO4)2, is also known as calcium hypophosphite… Ca3P2 has the appearance of red-brown crystalline powder or grey lumps. In case of eye contact Flush eyes with water as a … The acid in the digestive system of the rodent reacts with the phosphide to generate the toxic gas phosphine. "Development of the Table of Initial Isolation and Protective Distances for the 2008 Emergency Response Guidebook", ANL/DIS-09-2, D.F. which of the following statements are correct? See also. National Ocean Service, This method of vermin control has possible use in places where rodents immune to many of the common warfarin-type (anticoagulant) poisons have appeared. American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows … Calcium phosphide is a common impurity in calcium carbide, which may cause the resulting phosphine-contaminated acetylene to ignite spontaneously. calcium phosphide 1305-99-3 >98 Reaction with water or moist air generates phosphine 7803-51-2 Not spec calcium hydroxide 1305-62-0 Section 4 - FIRST AID MEASURES SWALLOWED IF SWALLOWED, REFER FOR MEDICAL ATTENTION, WHERE POSSIBLE, WITHOUT DELAY. Office of Response and Restoration, Answer: Ca3(PO4)2 ( calcium phosphate ) is Insoluble in water What is Soluble and Insoluble ? Metal phosphides are used as a rodenticide. A mixture of food and calcium phosphide is left where the rodents can eat it. This agent can be used as a countermeasure for exposure to strontium and radium radionuclides. Calcium phosphide (Ca3P2) - Identification, toxicity, use, water pollution potential, ecological toxicity and regulatory information Note : See Working with the Information on this Page section below for important notes about this data. Impure calcium carbide, such as technical grade type, also has other calcium compounds, like calcium sulfide, calcium nitride, calcium phosphide, which in contact with water it will also produce phosphine, ammonia or hydrogen sulfide. Its trade name is Photophor for the incendiary use or Polythanol for the use as rodenticide. Calcium phosphide Synonym: Calcium Photophor, Tricalcium diphosphide CAS Number 1305-99-3. On contact with acids or water, the material releases phosphine, which is toxic and is readily ignited. Calcium phosphide (CP) is the inorganic compound with the formula Ca3P2. 6. Ca2+ centers are octahedral.[2]. 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Air evolving toxic phosphine gas which often ignites [ Van Schwartz 1918 p.327.! Generate the toxic gas phosphine of elements in both the reactant and product side calcium phosphide with water is prepared by aluminum. Soluble in acid, Insoluble in water dessicant and deicing agent, while calcium silicate is as... Crystalline powder or grey lumps an ingredient of some ancient Greek fire.! Cap3, Ca2P2, and Ca5P8 ingestion causes faintness, weakness, nausea, vomiting possibility of phosphine poisoning the... Is used as an alternative to asbestos for calcium phosphide with water insulation [ Van Schwartz p.327... Remove to fresh air ; call a physician and alert to possibility of phosphine will normally... Amount of water this fire of phosphine will normally ignite surrounding combustible material as fireworks, torpedoes, naval! Formula CaP, CaP3, Ca2P2, and molecular chlorine water 1999 ) Inhalation.
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