Aluminum chloride hexahydrate
Aluminum chloride hexahydrate
CAS: 7784-13-6
Molecular Formula: AlCl3H2O
Aluminum chloride hexahydrate - Names and Identifiers
| Name | Aluminum chloride hexahydrate |
| Synonyms | hydrousaluminumchloride trichloroaluminumhexahydrate Aluminum chloride hexahydrate chlorured'aluminium,hexahydrate aluminum(iii)chloride,hexahydrate Aluminumchloride(AlCl3)hexahydrate ALUMINUM CHLORIDE, HEXAHYDRATE, REAGENTALUMINUM CHLORIDE, HEXAHYDRATE, REAGENTALUMINUM CHLORIDE, HEXAHYDRATE, REAGENT Aluminum trichloride hexahydrate, Алюминий трихлорид 6-водный, Алюминий треххлористый 6-водный, Хлорид алюминия гексагидрат |
| CAS | 7784-13-6 |
| EINECS | 616-520-1 |
| InChI | InChI=1/Al.ClH.6H2O/h;1H;6*1H2/q+3;;;;;;;/p-1 |
Aluminum chloride hexahydrate - Physico-chemical Properties
| Molecular Formula | AlCl3H2O |
| Molar Mass | 151.35 |
| Density | 2.39 |
| Melting Point | 100°C (dec.) |
| Water Solubility | 477 g/L (20 ºC) |
| Solubility | water: soluble0.5g/10 mL, clear, colorless |
| Vapor Presure | 1 mm Hg ( 100 °C) |
| Appearance | Solid |
| Specific Gravity | 2.398 |
| Color | White To Light Yellow |
| Odor | Odorless |
| Exposure Limit | NIOSH: TWA 2 mg/m3 |
| Merck | 14,337 |
| PH | 2.5 (50g/l, H2O, 20℃) |
| Storage Condition | Store at +15°C to +25°C. |
| Stability | Stable, but may decompose upon exposure to moist air or water. Incompatible with acids.Note that decomposition of the anhydrous product, possibly caused by moisture leaking into the container |
| Sensitive | Moisture Sensitive |
| Physical and Chemical Properties | Character: colorless orthorhombic crystal. Industrial products are light yellow or dark yellow. relative density 2.398 solubility: soluble in water, ethanol, ether. The aqueous solution was acidic. Slightly soluble in hydrochloric acid. |
| Use | Mainly used in precision casting, paper making, water purification, wood preservation, petrochemical, wool refining, etc |
Aluminum chloride hexahydrate - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R34 - Causes burns R36/38 - Irritating to eyes and skin. R52 - Harmful to aquatic organisms |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN 3260 8/PG 3 |
| WGK Germany | 1 |
| RTECS | BD0530000 |
| TSCA | Yes |
| HS Code | 28273200 |
| Hazard Class | 8 |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: 3311 mg/kg |
Aluminum chloride hexahydrate - Upstream Downstream Industry
| Raw Materials | Aluminum hydroxide Hydrochloric acid |
Aluminum chloride hexahydrate - Preparation Method
prepared by direct reaction of aluminum ingot and chlorine. The chlorine gas is introduced under the aluminum liquid layer by the conduit. Since the reaction is an exothermic reaction, the aluminum ingot is melted continuously, and the aluminum liquid is maintained at a certain transition position to react with the chlorine gas to generate aluminum trichloride gas, at a certain temperature crystallization. Or aluminum oxide powder, chlorine as raw materials, with carbon as reducing agent, reaction at a certain temperature to produce aluminum chloride.
Last Update：2024-04-23 12:11:41
Aluminum chloride hexahydrate - Safety
aluminum chloride can interfere with the process of phosphonic acid in the human body. When eating too much into the body, it is easy to cause inhalation poisoning, causing human mood Nervousness, respiratory disorders, convulsions, hyperglycemia and so on. Therefore, the staff should be provided with protection. Sealed storage in a ventilated, dry warehouse. In the storage and transportation, strict protection against toxic substances pollution, rain and moisture.
Last Update：2024-04-23 12:12:12
Aluminum chloride hexahydrate - Reference Information
| pH range of acid-base indicator discoloration | 2.5 - 3.5 |
| Application | mainly used as hardener for precision casting, sizing and precipitating agent for paper making, coagulant for purified water, wood preservatives, etc. are mainly used for the treatment of drinking water, water containing high fluorine, industrial water, and the purification of oily sewage. It is mainly used for the treatment of drinking water, water containing high fluorine, industrial water, and the purification of oily sewage. It can also be used as a hardener for precision casting mold, a wood preservative, and a sizing and precipitating agent for paper making. It is mainly used as a hardener for precision casting mold shells. It can be used as wood preservative and paper sizing precipitating agent. It is the raw material of the monomer of the hydrocracking catalyst in the petroleum industry. Used for wool refining (removal of vegetable fibers by carbonization), aluminum hydroxide gel production, also used in dyeing and pharmaceutical industries. aluminum chloride is widely used as a catalyst for organic synthesis, and is widely used in petroleum cracking, synthetic dyes, synthetic rubber, synthetic resin, synthetic detergent, medicine, perfume, pesticide, etc. mainly used in precision casting, paper making, water purification, wood preservative, petrochemical, wool refining and so on analysis reagent. |
| production method | main raw materials and specifications: aluminum ingot (Al)≥ 95% liquid chlorine (Cl2)≥ 99.5% chemical reaction formula: 2Al +3Cl2 → 2AlCl3 alkali coal stone hydrochloric acid method the alkali coal powder with particle size <8min was added into the boiling roasting furnace, calcined at 700 ℃ for about 30 rnin, and then finely pulverized, add to the reactor and 20% hydrochloric acid to react at 110 ℃ for 1H to generate crystalline aluminum chloride solution, send the reaction solution to the clarification tank, add polyacrylamide flocculant, stir with compressed air, and let stand to precipitate, the clear liquid is sent to be concentrated by evaporation, crystallized, and then centrifuged to prepare crystalline aluminum chloride product. A12O3 + 6HCl + 3H2O → 2 AlC13 · 6H2O coal gangue powder with particle size <8mm was added into the boiling roasting furnace, calcined at 700 ℃ for about half an hour, and then pulverized, add into the reactor and react with 20% hydrochloric acid at 110 ℃ for 1H, send the generated reactant to the clarification tank, add the polyacrylamide flocculant, stir with compressed air and then stand, precipitate and evaporate and concentrate the clear liquid, crystals were precipitated and the crystals were combined twice to obtain a crystalline aluminum chloride product. The hydrochloric acid method of the coal alkali stone is referred to as crystalline aluminum chloride. |
| category | toxic substances |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 3311 mg/kg; Oral-mouse LD50:1990 mg/kg |
| stimulation data | Skin-human 7.5 mg/3 days mild |
| flammability hazard characteristics | thermal decomposition of toxic chloride fumes; reaction with water to form hydrochloric acid and aluminum hydroxide |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| extinguishing agent | dry powder, foam, sand, carbon dioxide |
| Occupational Standard | TWA 2 mg (aluminum)/m3 |
Last Update：2024-04-23 12:13:51
Aluminum chloride hexahydrate - Nature
The industrial product is light yellow or dark yellow. Hygroscopicity is very strong, easy to deliquescence, hydrolysis in humid air to generate hydrogen chloride white smoke, heating to free water and hydrogen chloride. Soluble in water, ethanol and glycerol, slightly soluble in hydrochloric acid. Its aqueous solution is acidic
Last Update：2024-04-23 12:16:47
Aluminum chloride hexahydrate - Use
for drinking water, high fluoride water, industrial water treatment, oily sewage purification, especially for high fluoride water has a good treatment effect, can effectively reduce the fluorine content. The pH value of flocculation process has a great influence on the treatment effect. Generally need to be formulated into 5%~ 10% solution dosage, the effective dosage is about 20~60mg/L. Aluminum chloride can also be used as a petrochemical catalyst, oil refining, spices, reagents, pesticides, coatings and other aspects.
Last Update：2024-04-23 12:15:38
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Raw Materials for Aluminum chloride hexahydrate