This grey powder (white if pure, which is rare) reacts vigorously with water liberating hydrogen gas. MDL number MFCD00010897. EC Number 232-189-2. Calcio hidruro Calcium hydride for synthesis. SECTION 1: Identification of the substance/mixture and of the company/undertaking 1.1 Product identifiers Product name :Calcium Hydride. Calcium Hydride, Grade S CAS-No. - Find MSDS or SDS, a COA, data sheets and more information. Product Name: Calcium Hydride. 7789-78-8 EC-No. EC Number: 232-189-2 Chemical Formula: CaH₂ CAS #: 7789-78-8 Hill Formula: H₂Ca Molar Mass: 42.09 g/mol. ... calcium hydride, CaH2. Calcium Hydride CaH2 Powder CAS 7789-78-8 Item No. The compound has, however, been widely used for decades as a safe and convenient means to inflate weather balloons. SPECIFICATION Ca total min. CAS #: 7789-78-8. 980 ml/g CaH2 Mg max. Ullmann's Encyclopedia of Industrial Chemistry, Hydrogen chalcogenides (Group 16 hydrides), https://en.wikipedia.org/w/index.php?title=Calcium_hydride&oldid=964372573, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, It is insoluble in all solvents with which it does not react vigorously, in contrast to, This page was last edited on 25 June 2020, at 03:43. a desiccant. These species are insoluble in all solvents with which they do not react. The reaction of CaH2 with water can be represented as follows: The two hydrolysis products, gaseous H2 and Ca(OH)2, are readily separated from the dried solvent. : Tr-CaH2 Calcium hydride is a common chemical reagent with a chemical formula of CaH2 and a molecular weight of 42.10. '[6], The reference to "emergency" probably refers to wartime use. 980 ml/g CaH2 Mg max. 65 Components This product does not contain any chemicals known to State of California to cause cancer, birth defects, or any other reproductive harm. A well-known example is sodium hydride, which crystallizes in the NaCl motif. (1984) Structural Inorganic Chemistry, Oxford: Clarendon Press. 65 Components This product does not contain any chemicals known to State of California to cause cancer, birth defects, or any other reproductive harm. Search results for calcium hydride at Sigma-Aldrich. Calcium dihydride; Calcium(II) hydride; CAS No. Calcium hydride is the chemical compound with the formula CaH2, and is therefore an alkaline earth hydride. OTHER INFORMATION barium chlorate, and perchlorates, i.e. [2], CaH2 is a saline hydride, meaning that its structure is salt-like. 1.3 … 42.09390 a desiccant. Calcium hydride. It has many names including hydrated lime, caustic lime, builders' lime, slack lime, cal, or pickling lime. It is a useful dehydrating agent in a … 7789-78-8 Revision Date 2007-03-01 New Jersey Right To Know Components Calcium Hydride CAS-No. The alkali metals and the alkaline earth metals heavier than beryllium all form saline hydrides. Calcium hydride is widely used as a desiccant for basic solvents such as amines and pyridine. Add sodium wire and benzophenone to a volume of THF (pre-dried over calcium hydride or 4A molecular sieves), heat at reflux/under nitrogen for several hours until the solvent turns deep blue in colour. The formula for potassium carbonate is. 7789-78-8 Revision Date 2007-03-01 California Prop. 1305-62-0 RTECS No. Applications Calcium hydride is used as an efficient drying agent for aprotic base-stable solvents like ethers and tertiary amines. Despite its convenience, CaH2 has a few drawbacks: During the Battle of the Atlantic, German submarines used calcium hydride as a sonar decoy called bold. CAS Number: 7789-78-8. SPECIFICATION Ca total min. 16. The moisture content of diesel fuel is estimated by the hydrogen evolved upon treatment with CaH2.[4]. Supplier details: American Elements 10884 Weyburn Ave. Los Angeles, CA 90024 Tel: +1 310-208-0551 Fax: +1 310-208-0351 barium bromate; chlorates, i.e. ammonium hydrogen carbonate, NH4CO3. 7789-78-8 Revision Date 2007-03-01 California Prop. Calcium hydrate, Caustic lime, Hydrated lime, Slaked lime White, odorless powder. GdCl3. 7789-78-8 EC-No. 232-189-2 Molecular Formula CaH₂ Product Number 455150 APPLICATION 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. CoA. 16. CaH2 is thus used as a drying agent, i.e. Calcium hydride may be made by the reaction of calcium metal with hydrogen gas. Calcium Hydride CAS-No. Wells, A.F. 7789-78-8 Revision Date 2007-03-01 California Prop. 7789-78-8 Revision Date 2007-03-01 New Jersey Right To Know Components Calcium Hydride CAS-No. Molecular Formula: H 2 Ca. 7789 -78 -8 Revision Date 2007 -03 -01 New Jersey Right To Know Components Calcium Hydride CAS-No. Molecular Weight: 42.09 Molecular Formula: CaH2 Additional Metadata. Such as: When on the skin: first, should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Calcium hydride is a relatively mild desiccant and, compared to molecular sieves, probably inefficient. Bismuth(III) sulfate is an ionic compound formed from Bi3+ and SO42-. EW2800000. calcium hydride Catalog Id: MM7789788 IUPAC:Calciumhydride CAS Number: 7789-78-8 Formula: CaH SMILES: [H-]. 65 Components This product does not contain any chemicals known to State of California to cause cancer, birth defects, or any other reproductive harm. A wide variety of manufacturers, distributors and service companies are featured in our extensive vertical directory to allow ease sourcing and research for Calcium Hydride. This grey powder (white if pure, which is rare) reacts vigorously with water liberating hydrogen gas. In the 1940s, it was available under the trade name "Hydrolith" as a source of hydrogen: 'The trade name for this compound is "hydrolith"; in cases of emergency, it can be used as a portable source of hydrogen, for filling airships. OTHER INFORMATION 802100. Mixtures of the hydride with various bromates, i.e. Product Number: All applicable American Elements product codes, e.g. Calcium Hydride CAS -No. *Please select more than one item to compare CAS 7789-78-8, chemical formula CaH₂. Calcium Hydride CAS-No. 0.8 % Calcium hydride is the chemical compound with the formula CaH2, and is therefore an alkaline earth hydride. Calcium hydroxide is used in many applications, including food preparation, where it has been identified as E number E526. Molecular Weight. Calcium Hydride CAS-No. Purity: ≥92%. 92 % H min. : 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. Ca(s) + H2(aq) (heat) → CaH2(s) Heating the hydride strongly with chlorine, bromine, or iodine leads to incandescence. 65 Components This product does not contain any chemicals known to State of California to cause cancer, birth defects, or any other reproductive harm. CaH2. This indicates the solvent is dry, and you can distill off the volume you require. It is proposed to operate via its decomposition to Ca metal:[4]. [4][5], CaH2 is a reducing agent for the production of metal from the metal oxides of Ti, V, Nb, Ta, and U. CaH2 is thus used as a drying agent, i.e. Calcium hydride (CAS NO.7789-78-8) is hazardous, so the first aid measures and others should be known. Limewater is the common name for a saturated solutionof … [Note: Readily absorbs CO 2 from the air to form calcium carbonate.] Calcium Hydride, Grade S CAS-No. For more information, see our Privacy Policy. Relevant identified uses of the substance: Scientific research and development. OTHER INFORMATION 7789-78-8 Revision Date 2007-03-01 California Prop. 92 % H min. Chemical Name. Empirical Formula (Hill Notation) H 2 Ca . [8], Except where otherwise noted, data are given for materials in their. Molecular Weight 42.09 . Section 8: Exposure Control / Personal Protection Ingredient CAS Exposure Limit (mg/m3)Concentration Calcium Hydroxide Ca(OH)2 1305-62-0 ACGIH TLV (TWA) Solids 95-100% (Dry Basis) OSHA PEL (TWA) 8/40h 8/40h MSHA/PEL (TWA) 8/40h NIOSH REL (TWA) 10/40H 15 T / 5 R 5 5 10 T / 5 R [3], Calcium hydride is prepared from its elements by direct combination of calcium and hydrogen at 300 to 400 °C. US $80.00-$150.00 / Kilogram 1 Kilogram (Min. Application: Calcium hydride is a drying agent. Calcium hydride MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents. Hydroxide will react with air, strong acids and moisture calcium oxide ) is mixed, iodine! Bromates, i.e this indicates the solvent is dry, and is produced when quicklime ( calcium oxide is... Limewater is the Formula for the chloride of gadolinium ( III ) sulfate is an ionic formed! 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