3 Ca(OH)2 + 2 PH3 Based on this equation. 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. Brown, H.M. Hartmann, W.A. Ca2+ centers are octahedral.[2]. 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. AVOID CONTACT WITH LIQUID AND VAPOR. Freeman, and W.D. Metal phosphides are used as a rodenticide. 5. Ca3P2(s) + 6 H2O(l)→3 Ca(OH)2(aq) + 2 PH3(g) If calcium hydroxide is produced at a … In case of skin contact Wash off with soap and plenty of water. Calcium Phosphide is a semiconductor used in high power, high frequency applications and in laser diodes. 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) Experimental details are in the following: Calcium phosphide is the inorganic compound with the formula Ca3P2. Other, more exotic calcium phosphides have the formula CaP, CaP3, Ca2P2, and Ca5P8. USA.gov. Calcium phosphide reacts vigorously with water to generate gaseous PH3. Other, more exotic calcium phosphides have the formula CaP, CaP3, Ca2P2, and Ca5P8. Articles of Calcium phosphide are included as well. Question: Is Ca3(PO4)2 ( calcium phosphate ) Soluble or Insoluble in water ? If there is an excess of water this fire of phosphine will not normally ignite surrounding combustible material. 4. 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… Photophor Evacuate. CALCIUM PHOSPHIDE page 3 of 6 * If there is the possibility of skin exposure, emergency shower facilities should be provided. Other pesticides similar to calcium phosphide are zinc phosphide and aluminium phosphide. Balancing this would result to, Avoid inhalation. Calcium Phosphate is the calcium salt of phosphoric acid with widely used applications. NO contact with water, oxidizing agents or acids. It may be formed by reaction of the elements. Poisonous, flammable vapor is produced. Molecular Weight 182.18 . At the end of the workshift, wash any areas of the body that may have Properties Chemical. Heating calcium-rich limestones decomposes the carbonate, producing calcium oxide, or Ca3P2 has the appearance of grey lumps, its trade name is Polytanol for the use as rodenticide. [4], Calcium phosphide is a common impurity in calcium carbide, which may cause the resulting phosphine-contaminated acetylene to ignite spontaneously.[5]. Consult a physician. I don't even know where to begin! Phosphine will normally ignite spontaneously in contact with 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. 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. Manganese(II) oxide, potassium hydroxide, molecular oxygen, and molecular chlorine water. 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. 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. Decomposed by water or moist air evolving toxic phosphine gas which often ignites [Van Schwartz 1918 p.327]. Web site owner: 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. If there is an excess of water this fire of phosphine will not normally ignite surrounding combustible material. 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. Upon oral uptake, calcium phosphate competes for and blocks the absorption of radium (Ra-226) and strontium in the gastrointestinal (GI) tract. Calcium phosphide appears as red-brown crystals to gray granular lumps. National Oceanic and Atmospheric Administration. 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. Calcium and other alkaline earth phosphides incandesce in oxygen when heated. 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. Calcium phosphide. National Ocean Service, [citation needed] Safety considerations. Soluble in acid, insoluble in ethanol and ethyl ether; It is prepared by heating aluminum or carbon to reduce calcium phosphate. Contributes dense smoke of phosphoric acid. Show evidence to support your answer. Haney, Argonne National Laboratory, Argonne, Illinois, June 2009. 1360: NAME and description: CALCIUM PHOSPHIDE: Techical name (SP 274, 318, 61, 220) Alternative PSN: Class: 4.3: Classification code: WT2 NO water… Calcium phosphide (CP) is the inorganic compound with the formula Ca3P2. (USCG, 1999). Solubility Solubility is the property of a solid, liquid, or gaseous chemical substance called solute to dissolve in a solid, liquid, or gaseous solvent. 6. Calcium phosphide is found in pyrotechnic applications such as fireworks, flares, and incindiery bombs. [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. CALCIUM PHOSPHIDE and hydrochloric acid undergo a very energetic reaction [Mellor 8:841 1946-47]. which of the following statements are correct? PubChem Substance ID 24864973 It reacts with water to form calcium hydroxide and phosphine, a flammable poisonous gas. Solid calcium phosphide and carbon monoxide are produced from the reactio phosphate with elemental carbon. 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. Wear goggles and self-contained breathing apparatus. In case of eye contact Flush eyes with water as a … amount of water to make I liter of solution. Linear Formula Ca 3 P 2. A high temperature phase has been characterized by Rietveld refinement. Calcium phosphide and water react to form calcium hydroxide and phosphine gas. 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. Metal phosphides are used as a rodenticide. A mixture of food and calcium phosphide is left where the rodents can eat it. including trade names and synonyms. Office of Response and Restoration, A mixture of food and calcium phosphide is left where the rodents can eat it. 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