Cobaltii chloride simple english wikipedia, the free. Cobaltous chloride, hexahydrate, 77911, 100% section 4. It is a sky blue crystalline solid the compound forms several hydrates cocl 2 n h 2 o, for n 1, 2, 6, and 9. Effect of cobaltii chloride hexahydrate on some human.
Chloride compounds can conduct electricity when fused or dissolved in water. Chloride materials can be decomposed by electrolysis to chlorine gas and the metal. Emergency eye wash fountains and safety showers should be available in the immediate vicinity of use or handling. Textbook solution for general chemistry standalone book mindtap course 11th edition steven d. Cobalt chloride can be used to test for chloride ions in this way. Convert grams cobaltii chloride hexahydrate to moles or moles cobaltii chloride hexahydrate to grams. Material safety data sheet cobaltii chloride hexahydrate. Safety data sheet according to 29cfr19101200 and ghs rev.
Thermal dehydration and decomposition of cobalt chloride. Feb 01, 2009 when you heat the cobalt ii chloride hexahydrate, the water molecules attached to the cobalt ii chloride crystals evaporates. Dehydration and decomposition of an undried and a partly dried sample of hydrated cocl2 have been investigated by using both isothermal and nonisothermal weight loss methods. Solutions of highpurity cobalt chloride and its hexahydrate can be. Cobalt chloride creationwiki, the encyclopedia of creation. Cobalt is a silvergray, magnetic, brittle metal which is used to produce blue colors in pottery, glass, porcelain and enamel and is also combined with other metals to make metal alloys.
Incompatibility heating produces toxic fumes of hydrogen chloride. Preparing and using cobalt chloride indicator papers resource. More information on molar mass and molecular weight. Upon heating, it loses its water of crystallisation and decomposes into blue crystals of anhydrous cobaltii chloride. Its crystals belong to the monoclinic lattice system. We have stepbystep solutions for your textbooks written by bartleby experts. Feb 26, 2015 cobaltii chloride hexahydrate takes the form of purple crystals. It is an excellent indicator for water in dessicants as well as an indicator for silica gel dryer. Annex vi of directive 67548eec through the 31st atp.
Referring to a msds, it says that it should be disposed of by a hazardous waste company. At work, request a material safety data sheet to help identify alternatives that are safe hence avoiding contact with material containing cobalt. Disposal of cobaltii chloride i have about 15 grams of cobalt chloride hexahydrate that i would like to know how to dispose of. Pdf thermal decomposition of aluminum chloride hexahydrate. Cobaltii chloride hexahydrate takes the form of purple crystals. Cobaltous chloride hexahydrate, cobalt dichloride hexahydrate shelf life. To enter an electron into a chemical equation use or e. Cobalt chloride, hexahydrate, crystal, reagent, acs is an inorganic compound that has a deep purple color as a hexahydrate. What to know about cobalt ii chloride noah technologies. The blue colour is the result of cobalt chloride complex ions cocl42 in less. They are formed through various chlorination processes. The compound forms several hydrates cocl 2nh 2o, for n 1, 2, 6, and 9. Thermal dehydration and decomposition of cobalt chloride hydrate cocl2xh2o. It acts as an inducer of hif1 production used to study apoptotic effects in hepg2 cells.
It loses water on heating and changes to a blue colored compound. Cobalt chloride hexahydrate, cocl2h2o photo from cobalt chloride, cocl2 photo from if we could examine blue cobalt chloride solid with an extremely powerful microscope, we would see a repeating, threedimensional pattern of cobalt and. Cobalt ii chloride hexahydrate 77911 95 cobalt ii chloride 7646799 4. First aid measures always seek professional medical attention after first aid measures are provided. It is usually supplied as the hexahydrate cocl26h2o, which is one of the most commonly used cobalt compounds in the laboratory. Cobaltii chloride hexahydrate is widely used as a drying agent in painting and coloring agents for glass ceramics. Cobaltii chloride hexahydrate, for analysis, acros organics. Cobalt ii chloride hexahydrate revision date 19jan2018 solubility soluble in water partition coefficient. Cobaltii chloride hexahydrate 77911 95 cobaltii chloride 7646799 4. Firstaid measures general advice show this safety data sheet to the doctor in attendance.
It is most widely used as an indicator of water in desiccants but also has uses in organic synthesis and electrop. You can reverse these changes with solid cobalt chloride crystals. Cobalt chloride paper is useful because the hydrationdehydration reaction occurs readily making. In chemistry, the formula weight is a quantity computed by multiplying the atomic weight in atomic mass units of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together. Immediately flush eyes with excess water for 15 minutes, lifting lower and upper eyelids occasionally. Sep 20, 2009 cobaltii chloride hexahydrate has a pink color.
The hexahydrate of cobalt ii chloride is bright pink. Thermal decomposition of aluminum chloride hexahydrate alcl36h2o in temperatureconstant experiments. Cobalt chloride also has hazardous decomposition products, including hydrogen chloride, irritating toxic fumes and gases, and cobalt and its oxides. To enter an ion specify charge after the compound in curly brackets. Because of the ease of the hydrationdehydration reaction, and the resulting. Cobaltii chloride is an inorganic compound of cobalt and chlorine, with the formula cocl2. Cobalt ii chloride is an inorganic compound of cobalt and chlorine, with the formula cocl 2. Cobalt chloride cocl2 cocl2 or cl2co cid 24288 structure, chemical names, physical and chemical. Cobaltii chloride hexahydrate, cocl 2 6h 2 o, is a bright.
Cobaltii chloride hexahydrate is an excellent water soluble crystalline cobalt source for uses compatible with chlorides. Cobalt ii chloride hexahydrate is a metal used with other metals to make metal alloys. This classic le chateliers principle lab explores the reversible chemical reaction. Search results for cobaltii chloride hexahydrate at sigmaaldrich. If you require a copy of this prior to purchase, please contact us. When you heat the cobalt ii chloride hexahydrate, the water molecules attached to the cobalt ii chloride crystals evaporates. What is cobaltiichloride hexahydrate and where is it found. Cobalt co lies with the transition metals on the periodic table. Thermal decomposition of cobaltii chloride hexahydrate. Cobalt ii chloridehexahydrate c017a, c017b your patch testing results indicate that you have a contact allergy to cobalt ii chloridehexahydrate. Firstaid measures general advice show this safety data sheet to the doctor in. As it is, the hydrated cobalt ii chloride has different physical property color compared to anhydrous cobalt ii. Jun 11, 2018 the compound is most often supplied as cobalt ii chloride hexahydrate or as cobalt ii chloride anhydrous.
The intermediate products of dehydration and decomposition at different temperatures have been characterized by chemical analysis, xray diffraction, microscopy, infrared and diffuse reflectance. Cobalt chloride hexahydrate, cocl2h2o photo from cobalt chloride, cocl2 photo from if we could examine blue cobalt chloride solid with an extremely powerful microscope, we would see a repeating, threedimensional pattern of cobalt and chlorine atoms, known as a crystal structure. Cobalt chloride molecule of the month june 2016 html. Sigmaaldrich offers a number of cobaltii chloride hexahydrate products. Differential thermal analysis of inorganic hydrates the journal of. Harmful if swallowed or applied directly to skin, it is generally shelfstable at room. The most common source of exposure is nickel plated objects which always contain cobalt. Always use the upper case for the first character in the element name and the lower case for the second character. Structure, properties, spectra, suppliers and links for. The intermediate products of dehydration and decomposition at different temperatures have been characterized by chemical analysis, xray diffraction, microscopy, infrared and diffuse reflectance spectroscopy. Patient information sheet cobaltiichloride hexahydrate. The process involved is a chemical reaction that results in a submicrometre powder with a.
Plastic bottle cobalt ii chloride hexahydrate, for analysis, acros organics cobalt. Several types of aromatic aldehyde, containing electronwithdrawing groups as well as electrondonating groups, were used in the. It can be oxidized to cobaltiii compounds, although cobaltiii chloride does not exist. The chemical formula for the compound is cocl 2 6h 2 o. The compound is most often supplied as cobalt ii chloride hexahydrate or as cobalt ii chloride anhydrous. What is the formula of cobalt ii chloride hexahydrate. Health hazard data a suspected carcinogen and very toxic. Cobalt chloride hexahydrate pure n acs reagent fcc food grade. What is cobalt ii chloride hexahydrate and where is it found. To prevent this, consider wearing jewelry made of sterling silver or other precious metals. Characteristics dark ruby red crystals or crystalline powder. Jun 30, 2016 cobalt chloride administration in athletes.
Cobaltii chloride is an inorganic compound of cobalt and chlorine, with the formula cocl 2. Anmol chemicals group has manufacturing facilities spread across western india, representatives in houston. Cobalt chloride attacks the blood, liver, thyroid, lungs and. Cobaltii chloride hexahydrate h12cl2coo6 chemspider. If it is made, it just drops a cl from cocl 3, making cocl 2 cobaltii chloride again. Effects of macro and nanocobalt oxide particles on barley seedlings and remediation of cobalt chloride toxicity using sodium hypochlorite. Because cobalt and nickel can be found in many of the same metal products, allergies to both metals can develop. What you have after heating is anhydrous cobalt ii choride that is, cobalt ii chloride minus water. In chemistry, the formula weight is a quantity computed by multiplying the atomic weight in atomic mass units of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all. The fact that the anhydrous chloride is blue and the hexahydrate red is used as a humidity. A ligand exchange reaction involving chloride ions.
Molecular weight of cobaltiii chloride convert units. May cause an allergic skin reaction warning sensitization, skin. Four water molecules occupy a square plane about cobalt while chloride ions occupy axial positions. Predicted data is generated using the us environmental protection agencys episuite. Claims of the formation of tri and tetrahydrates have not been confirmed. Cobalt chloride was determined to be the final product. It is important that you familiarize yourself with this chemical and take steps to avoid coming in contact with it.
Pdf mechanism of reaction between cobaltii oxide and. Relevant identified uses of the substance or mixture and uses advised against use of the substancemixture. Hexahydrate cobaltii chloride cocl26h2o toxic, dangerous for the. Each bottle of our reagents come standard with an msds sheet included.
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