DTXSID60894886. We say that such a body melts. calcium hydride is strong reductive. Density: 1.70 g/cm 3 Sensitive: Moisture EINECS: 232-189-2 Appearance: Greyish-white solid Structure of Calcium hydride (CAS NO.7789-78-8): 1.900. Melting point: 816°C (under hydrogen gas) Boiling point: Density: 1700 kg m-3; The following are some synonyms of calcium dihydride: calcium dihydride; calcium(II) hydride; calcium dihydride; The oxidation number of calcium in calcium dihydride is 2. 7789-78-8. Is oxidized in air. ... Melting point/ range 816.0 °C Decomposition temperature 600 °C Density ca. 600° dec. Density. Melting Point (MP), Calcium hydride changes its state from solid to liquid at 816°C (1500.8°F or 1089.15K) Calcium hydride is a gray orthorhombic crystal or powder compound. Synonyms. Calcium hydride is a grey or white solid powder, insoluble in all solvents. Molecular Formula. Articles of Sodium hydride are included as well. The melting point is the highest temperature at which crystallization may occur. Molecular Weight. Molar volume: 24.761 cm³/mol It is also a temperature at which a solid (crystal) turns into a liquid. Storage & Sensitivity. BuyersGuideChem provides reliable information about Calcium hydride (7789-78-8) like chemical properties, structure, melting point density, molecular formula, molecular weight, physical properties, toxicity information. Physical and chemical properties of calcium hydride . Applications. CaH2 - CALCIUM HYDRIDE. : 7789-78-8 1.2 Relevant identified uses of the substance or mixture and uses advised against Identified uses : Laboratorychemicals, Industrial & for professional use only. Calcium hydride may be made by the reaction of calcium metal with hydrogen gas. If it is dissolved in water it reacts violently, producing hydrogen. barium chlorate, and perchlorates, i.e. Heating the hydride strongly with chlorine, bromine, or iodine leads to incandescence. Calcium hydride is the chemical compound with the formula CaH 2, and is therefore an alkaline earth hydride.This grey powder (white if pure, which is rare) reacts vigorously with water liberating hydrogen gas. For full table with Density, Liquid Denity at Melting Point and Water Solubility-rotate the screen! Shop a large selection of Calcium products and learn more about Calcium hydride, 90-95%, Alfa Aesar™: Metals Salts and Inorganics . Calcium hydride is a set of crystals of white orthorhombic structure when it is pure. [Note: Readily absorbs CO 2 from the air to form calcium carbonate.] For example, the melting point of ice (frozen water) is 0 °C. Calcium hydride, 98% (metals basis excluding Mg), Alfa Aesar™ ... Melting Point: 600°C (decomposition) Quantity: 50g: Chemical Name or Material: Calcium hydride, Mg … American Elements offers a broad range of products for hydrogen storage research, advanced fuel cells and battery applications. Calcium Hydride: white crystals; insoluble in water; used in the production of chromium, titanium, and zirconium through the Hydromet process. CaH 2 is thus used as a drying agent, i.e. Melting point. The alkali metals and the alkaline earth metals all form saline hydrides. EC Number: 232-189-2 UNSPSC Code: 12352300 General description: Calcium hydride shows promising abilities as a hydrogen storage system for alkaline fuel cells. Product name : Calcium Hydride CAS-No. Solubility. 42.09390 They conduct electricity in molten state liberating a diatomic molecule of hydrogen gas at the anode. HSDB 8095. It contains 7.66% by weight of hydrogen and has been studied as a potential hydrogen storage medium. It has a molecular mass of 42.094 g/mol, a melting point of 816 degrees celcius, ad a density of 1.70 g/ml. Calcium hydride is the chemical compound with the formula CaH 2.This grey powder (white if pure, which is rare) reacts vigorously with water liberating hydrogen gas. a desiccant.. CaH 2 is a saline hydride, meaning that its structure is salt-like. US2082134A US50569A US5056935A US2082134A US 2082134 A US2082134 A US 2082134A US 50569 A US50569 A US 50569A US 5056935 A US5056935 A US 5056935A US 2082134 A US2082134 A US 2082134A Authority US United States Prior art keywords hydrogen magnesium calcium calcium hydride retort Prior art date 1935-11-19 Legal status (The legal status is an assumption and is not a legal … This page contains information on the chemical Calcium hydride including: 3 synonyms/identifiers; U.S. Code of Federal Regulations Title 49 Section 172 shipping regulations and proper shipping name; USDOT 2008 Emergency Response Guidebook initial response information. Soluble in water and alcohol. Dangers and reactivity. Magnesium hydride is the chemical compound with the molecular formula MgH 2. Calcium hydride is used primarily as a source of hydrogen, as a drying agent for liquids and gases, and as a reducing agent for metal oxides. Calcium is a solid at atmospheric presure up to the melting point of 842 0C. BeH 2 is a covalent polymer, magnesium hydride is partially ionic and the hydrides of calcium, strontium, and barium are very ionic and hydridic in their properties. Figure 3: calcium hydride. a desiccant.. CaH 2 is a saline hydride, meaning that its structure is salt-like. Calcium (atomic symbol: Ca, atomic number: 20) is a Block S, Group 2, Period 4 element with an atomic weight of 40.078. Properties of calcium hydride: White, melts without decomposition in the atmosphere of hydrogen, at further heating decomposes. It reacts vigorously with water and alcohols. Calcium hydride. Calcium hydride, 98% (metals basis excluding Mg), Alfa Aesar™ Structure Search; Print SDS. Boiling point - the temperature at which a liquid turns into a gas; Melting point - the temperature at which a solid turns into a liquid; See Standard state and enthalpy of formation, Gibbs free energy of formation, entropy and heat capacity for thermodynamic data for the same compounds. Application: Calcium hydride has been used as a drying agent for organic solvents. - Find MSDS or SDS, a COA, data sheets and more information. It also reacts with alcohol (National Center for Biotechnology Information, S.F.). Melting Point: 190 C (lit.) What is the chemical reaction of Calcium hydride with water? Mixtures of the hydride with various bromates, i.e. The melting point is specific for a given substance. The melting point depends on the pressure. Generally, it is rare to find it in this form so it usually has a grayish tint. It has a molecular weight of 42,094 g / mol, has a melting point of 816 degrees Celsius and a density of 1.70 g / ml. 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