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Insoluble in benzene. CaH 2 is sold by various chemical suppliers. The melting point is specific for a given substance. ... Melting point/freezing Melting point/range: 190 °C - lit. For example, the melting point of ice (frozen water) is 0 °C. CAS 7789-78-8, chemical formula CaH₂. 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. Dangers and reactivity. Calcium hydride (CaH2) CaH2. 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): When silver fluoride is ground with CALCIUM HYDRIDE the mass becomes incandescent [Mellor 3:389 1946-47]. - Find MSDS or SDS, a COA, data sheets and more information. Calcium Hydride is generally immediately available in most volumes. Calcium hydride is a grey or white solid powder, insoluble in all solvents. Is oxidized in air. 42.09390 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. Calcium is a solid at atmospheric presure up to the melting point of 842 0C. CaH2 + 2H2O = Ca(OH)2 + 2H2 IUPAC Name: Calcium hydride Molecular Formula: CaH 2 Molecular Weight: 42.093880 g/mol Melting Point: 190 °C(lit.) ... Melting point/ range 816.0 °C Decomposition temperature 600 °C Density ca. a desiccant.. CaH 2 is a saline hydride, meaning that its structure is salt-like. White powder. See more Calcium products. 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. Ion - type salt compounds. Molecular formula: CaH 2. Molecular Formula. It contains 7.66% by weight of hydrogen and has been studied as a potential hydrogen storage medium. Hydrogen can easily be generated from renewable energy sources and is the most abundant element in … Calcium Hydride: white crystals; insoluble in water; used in the production of chromium, titanium, and zirconium through the Hydromet process. Calcium hydrate, Caustic lime, Hydrated lime, Slaked lime White, odorless powder. 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. EC Number: 232-189-2 UNSPSC Code: 12352300 General description: Calcium hydride shows promising abilities as a hydrogen storage system for alkaline fuel cells. The melting point depends on the pressure. Physical and chemical properties Physical State Solid Appearance Grey Odor Odorless Odor Threshold No information available pH No information available Melting Point/Range 675 °C / 1247 °F Boiling Point/Range No information available Flash Point No information available Evaporation Rate Not applicable calcium hydride is strong reductive. HSDB 8095. Mixtures of the hydride with various bromates, i.e. For full table with Density, Liquid Denity at Melting Point and Water Solubility-rotate the screen! Chemsrc provides Sodium hydride(CAS#:7646-69-7) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Sodium hydride are included as well. 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 … Elements: Calcium (Ca), Hydrogen (H) Molecular weight: 42.094 g/mol. Properties of calcium hydride: White, melts without decomposition in the atmosphere of hydrogen, at further heating decomposes. 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 hydride, 98% (metals basis excluding Mg), Alfa Aesar™ Structure Search; Print SDS. Physical and chemical properties of calcium hydride . CaH 2 has a density of 1.70 g/cm 3. CaH 2 is thus used as a drying agent, i.e. Shop a large selection of Calcium products and learn more about Calcium hydride, 90-95%, Alfa Aesar™: Metals Salts and Inorganics . Calcium hydride Revision Date 17-Jan-2018 9. They conduct electricity in molten state liberating a diatomic molecule of hydrogen gas at the anode. 7789-78-8. ... Melting Point: 600°C (decomposition) CAS: 7789-78-8: Molecular Formula: CaH 2: Solubility Information: Metal hydrides can release and absorb hydrogen at certain temperatures based on their thermodynamics. CaH2 - CALCIUM HYDRIDE. CaH2. Solubility. It is also a temperature at which a solid (crystal) turns into a liquid. Ambient temperatures. 1.900. Calcium hydride. From Wikipedia. Figure 3: calcium hydride. Synonyms. Calcium hydride is used as an efficient drying agent for aprotic base-stable solvents like ethers and tertiary amines. Product name : Calcium Hydride CAS-No. Calcium hydride, 98% (metals basis excluding Mg), Alfa Aesar™ ... Melting Point: 600°C (decomposition) Quantity: 50g: Chemical Name or Material: Calcium hydride, Mg … It contains 7.66% by weight of hydrogen and has been studied as a potential hydrogen storage medium. Heating the hydride strongly with chlorine, bromine, or iodine leads to incandescence. Soluble in water and alcohol. Calcium hydride may be made by the reaction of calcium metal with hydrogen gas. Heating melting point less than they decomposition, with the water violent reaction of hydrogen released H 2 O CaH 2 +2 = Ca (OH) 2 +2 H 2? A strong reducing agent, reacts with water and acids. Calcium (atomic symbol: Ca, atomic number: 20) is a Block S, Group 2, Period 4 element with an atomic weight of 40.078. Storage & Sensitivity. 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. 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. Magnesium hydride is the chemical compound with the molecular formula MgH 2. The number of electrons in each of Calcium's shells is [2, 8, 8, 2] and its electron configuration is [Ar] 4s 2. Generally, it is rare to find it in this form so it usually has a grayish tint. 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. Preparation. barium chlorate, and perchlorates, i.e. Melting Point: 190 C (lit.) Synthesis. American Elements offers a broad range of products for hydrogen storage research, advanced fuel cells and battery applications. a desiccant.. CaH 2 is a saline hydride, meaning that its structure is salt-like. CaH 2 is thus used as a drying agent, i.e. (BeX 2 behavior is new, compare to point 4 & 7 in Group I Summary) 6. EINECS 232-189-2 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. It also reacts with alcohol (National Center for Biotechnology Information, S.F.). barium bromate; chlorates, i.e. If it is dissolved in water it reacts violently, producing hydrogen. Calcium dihydride; Calcium(II) hydride; CAS No. Chemical Name. Melting point. 816 ° C melting point. : 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. The alkali metals and the alkaline earth metals all form saline hydrides. Application: Calcium hydride has been used as a drying agent for organic solvents. It reacts vigorously with water and alcohols. Applications. Calcium hydride for synthesis. 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 CaH 2 chemical formula, molecular weight 42.096. What is the chemical reaction of Calcium hydride with water? [Note: Readily absorbs CO 2 from the air to form calcium carbonate.] We say that such a body melts. K [35,, ]. 1.9 g/cm3 at 20.0 °C Water solubility (Not applicable) Magnesium, calcium, strontium, and barium halides are essentially ionic and are soluble in water. Availability. Calcium hydride is a set of crystals of white orthorhombic structure when it is pure. The melting point is the highest temperature at which crystallization may occur. Ionic hydride has both high melting point and the boiling point as all metal compounds usually do They have high density since these are stable molecules. DTXSID60894886. 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