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Send EmailALUMINUM CHLOROHYDRATE, aluminum pentahydrate, POLYALUMINUM CHLORIDE, aluminum chloride oxide, Aluminum hydroxychloride, ALUMINUM CHLOROHYDROXIDE, DIHYDRATE, 12042-91-0
CAS: 12042-91-0
Molecular Formula: AlClH5O-
Names and Identifiers
Physico-chemical Properties
| Molecular Formula | AlClH5O- |
| Molar Mass | 83.47 |
| Density | 1.95[at 20℃] |
| Vapor Presure | 0.001Pa at 20℃ |
| Storage Condition | RT, dry |
| Physical and Chemical Properties | It is an inorganic polymer compound, which is a product between aluminum chloride and aluminum hydroxide. It is bridged by hydroxyl groups, and the number of hydroxyl groups in the molecule is different. Colorless or yellow resinous solid. Its solution is a colorless or yellow-brown transparent liquid, sometimes containing impurities and gray-black mucus. The alumina content in the liquid product is more than 8%, and the alumina content in the solid product is 20% ~ 40%. It has strong bridging adsorption performance and is soluble in water. The hydrolysis process is accompanied by electrochemical, coagulation, adsorption and precipitation and other physical and chemical processes. Corrosive. |
| Use | Is a flocculant, mainly used for the purification of drinking water and water special water quality treatment, such as iron, fluoride, cadmium, in addition to radioactive pollution, in addition to floating oil. Also used for industrial wastewater treatment, such as printing and dyeing wastewater. In addition, it is also used for precision casting, medicine, paper rubber, leather, petroleum, chemical, dye. |
Reference Information
| Overview | Hydroxyl chloride (ACH) is a complex basic aluminum chloride, which is widely used as an antiperspirant active substance in axillary products, especially aerosol-type products. |
| use | is a flocculant, which is mainly used for purifying drinking water and special water quality treatment of water supply, such as iron removal, fluorine removal, cadmium removal, radioactive pollution removal, floating oil removal, etc. It is also used for industrial wastewater treatment, such as printing and dyeing wastewater. In addition, it is also used in precision casting, medicine, papermaking rubber, leather making, petroleum, chemical industry, and dyes. |
| production method | aluminum ash hydrochloric acid aluminum ash is the slag and floating skin produced during the smelting and refining process of smelting alloy or waste aluminum, and its main components are aluminum oxide and metal aluminum. First, the washing water is added to the reactor, then aluminum ash is added according to a certain ratio, hydrochloric acid is slowly added under stirring for polycondensation reaction, and the curing polymerization is made to pH4.2 ~ 4.5. When the relative density of the solution is about 1.2, the liquid polymeric aluminum chloride is prepared. Liquid products are diluted and filtered, evaporated and concentrated, and dried to produce solid polyaluminum chloride products. Its A12O3 + 6HCI + 3H2O → 2 AlC13 · 6H2O2A12C13 · 6H2O → A12(OH)nC16-n +(12-n)H2O + nHClmAl2(OH)nC16-n + mxH2O →[A12(OH)nC16-n · xH2O]m boiling pyrolysis method carries out boiling pyrolysis of crystalline aluminum chloride at 170 ℃, the released hydrogen chloride is absorbed with water to make 20% hydrochloric acid recovery, and then water is added to carry out curing polymerization above 60 ℃, after curing, drying and crushing, a solid polyaluminum chloride finished product is produced. Its 2A1C13 · 6H2O → A12(OH)nC16-n +(12-n)H2O + nHClmAl2(OH)nC16-n + mxH2O →[A12(OH)nC16-n · xH2O]m |
| category | toxic substances |
| stimulation data | skin-human 150 mg/3 days mild |
| flammability hazard characteristics | Decomposition of toxic chloride smoke when heated |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| fire extinguishing agent | dry powder, foam, sand, carbon dioxide; mist water |
| occupational standard | TWA 2 mg (aluminum)/m3 |
