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Strontium chloride powder, chemical formula SrCl2, CAS 10476-85-4, is an inorganic compound that typically exists in a colorless or white solid form. Its crystal structure is a hexagonal crystal system, presenting a flat crystalline morphology. It has high water solubility and can quickly dissolve in water to form a transparent solution. It has a high solubility in water, soluble in alcohols, and insoluble in acetone. High thermal stability, able to maintain stability at high temperatures. However, when the temperature reaches about 110 ° C, it may lose some or all of its water molecules and form hexahydrates. Has a certain degree of conductivity and can conduct electricity. This makes it have certain potential in electronic and electrical applications. It is a strong acid salt with high chemical stability.
It is not easily oxidized and is stable to light and heat, but can decompose under strong acid or alkali conditions. The aqueous solution is weakly acidic (due to the weak hydrolysis of sr2+), similar to other strontium compounds, strontium chloride turns red under flames, thus strontium chloride is used to produce red fireworks. Its chemical properties are between barium chloride (with high toxicity) and calcium chloride. The raw materials for producing strontium salts and pigments. Used for making fireworks. Electrolytic sodium metal flux. Used as an organic synthesis catalyst. We have the most favorable solution and the fastest transportation route regarding the strontium chloride price. If you want to purchase buy strontium chloride, please send us an email.
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Chemical Formula |
Cl2Sr |
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Exact Mass |
158 |
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Molecular Weight |
159 |
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m/z |
158 (100.0%), 160 (63.9%), 156 (11.9%), 162 (10.2%), 157 (8.5%), 158 (7.6%), 159 (5.4%), 160 (1.2%) |
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Elemental Analysis |
Cl, 44.73; Sr, 55.27 |
Strontium chloride is an ionic compound, which is completely ionized in water to form:
Sr2 + SrCl2====Sr2+ + 2Cl-
The chemical properties are similar to BaCl2, but the toxicity is small, for example:
SrCl2 + 2AgNO3====2AgCl ↓ + Sr(NO3)2
SrCl2 + K2SO4====SrSO4↓ + 2KCl
Ld50:147.6mg/kg (intravenous injection in mice)
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Strontium chloride (SrCl2) is an inorganic salt with multiple uses and plays an important role in various fields.
Medical field
Treating osteoporosis
One of the main applications of strontium chloride in the medical field is for the treatment of osteoporosis. Osteoporosis is a condition where bones become brittle and fragile due to excessive loss or insufficient deposition of calcium in the bones. Strontium chloride inhibits the activity of osteoclasts, promotes the proliferation of osteoblasts, thereby increasing bone density and strength, achieving the goal of treating osteoporosis. Strontium chloride is usually administered in the form of tablets or injections, and patients should follow medical advice when using it.
Treating Rickets
Rickets is a bone disease caused by calcium and phosphorus metabolism disorders, commonly found in infants and young children. Strontium chloride also has significant effects in the treatment of rickets. Strontium chloride powder can correct low blood phosphorus status and calcium and phosphorus metabolism disorders by increasing the absorption of phosphorus in the intestine and excreting a large amount of phosphorus from urine, thereby promoting normal bone development.
Treating periodontitis and dental caries
Strontium chloride has antibacterial properties and can inhibit the synthesis of bacterial proteins, making it suitable for treating periodontitis and dental caries. It can protect oral health by reducing the number of harmful bacteria in the mouth, alleviating gum inflammation and tooth decay. In addition, strontium chloride can also be used in the production of toothpaste to help reduce gum sensitivity and prevent periodontal disease.
Radioisotope therapy for bone cancer
Radioisotope strontium-89 (Sr-89) is a radioactive isotope form of strontium chloride commonly used in the treatment of bone cancer. Sr-89 can simulate the deposition process of calcium ions in bones, accumulate at the site of bone metastases, kill cancer cells by releasing beta rays, alleviate bone pain symptoms, and prolong patient survival.
Industrial sector
Preparation of other strontium compounds:
Strontium chloride is an important precursor for the production of other strontium compounds. For example, strontium chromate pigments can be prepared by reacting strontium chloride with sodium chromate; Strontium chloride can also react with sodium carbonate to produce strontium carbonate, which is used to manufacture television fluorescent screens and glass.
As a corrosion inhibitor:
Strontium chloride is also used as a corrosion inhibitor for aluminum. It can react with oxides on the surface of aluminum to form a protective strontium compound film, preventing further corrosion of aluminum. This corrosion inhibitor plays an important role in the processing and storage of aluminum materials.
Catalysts for organic synthesis:
Strontium chloride can also serve as a catalyst for organic synthesis and participate in specific chemical reactions. For example, in reactions such as isomerization and cyclization of olefins, strontium chloride can act as a catalyst to promote the progress of the reaction.
Manufacturing fireworks:
Strontium chloride is also widely used in fireworks manufacturing. Due to its red color under flames, it is often used as the main component of red fireworks. By adjusting the ratio of strontium chloride to other pyrotechnic materials, different colors and effects of fireworks can be created.
Flux for electrolyzing sodium metal:
Strontium chloride can be used as a flux in the process of electrolyzing metallic sodium. It can lower the melting point of electrolytes, improve electrolysis efficiency, thereby reducing costs and energy consumption.
Other fields
Glass manufacturing:
Adding a small amount of strontium chloride during the glass manufacturing process can improve the properties of the glass. For example, it can improve the transparency, heat resistance, and chemical stability of glass, making it more suitable for specific application scenarios.
Metallurgy:
Strontium chloride also has applications in the metallurgical field. It can be used as an additive or flux to improve the smelting process and properties of metals. For example, adding strontium chloride during the smelting process of aluminum alloys can improve their strength and corrosion resistance.
Aquarium
Marine aquariums require a small amount of strontium chloride to provide certain nutrients needed by plankton, helping them produce exoskeletons. This is of great significance for maintaining the ecological balance of aquariums and protecting marine life.
Analytical chemistry
Strontium chloride also has applications in the field of analytical chemistry. For example, strontium chloride powder can be used as a titrant or indicator to determine the content or purity of certain substances. In addition, strontium chloride can also be used to prepare some chemical reagents and standard solutions.
Method 1: hydrochloric acid method
First crush celestite to 200 mesh, add strontium chloride powder to the reactor and stir with water, then slowly add industrial hydrochloric acid and steam for stirring to remove impurities such as calcium salt. Then decant and wash to neutral. Stir the washed slurry with water, then add soda ash, heat it with steam to produce strontium carbonate, wash it with water to neutral, wash away sodium sulfate and unreacted soda ash, and then add hydrochloric acid for acidolysis reaction. The end point of the reaction is to control the pH of the solution 4 ~ 5. Under the condition of heating near boiling, add 10% dilute sulfuric acid and 30% hydrogen peroxide to remove soluble barium salt and iron. The clarified solution is filtered, evaporated and concentrated to 42 ~ 43 ° B é, cooled and crystallized, centrifuged, and dried at 220 ~ 250 ℃ to prepare anhydrous strontium chloride powder. The reaction equation is as follows:
Method 2:
First, add 34ml of concentrated hydrochloric acid into 20ml of water to prepare dilute hydrochloric acid solution. Add 30g (about 0.2mol) of strontium carbonate in batches under stirring. At this time, CO2 will be released and strontium chloride solution will be obtained. Filter to remove insoluble substances. The filtrate is concentrated on the water bath and precipitated into crystals after being placed for a while. Filter by suction filtration, wash the crystal with a small amount of water, and then clamp the crystal in the filter paper for natural drying, with a yield of about 57%. If the mother liquor is reconcentrated, a small amount of crystals can be obtained, and the product is strontium chloride hexahydrate. When heated to 61.5 ℃, dihydrate (plate crystal) is formed. Heating at 100 ℃ generates anhydrous chlorination.
Frequently Asked Questions
What is strontium chloride used for?
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Strontium chloride Sr 89 is used to help relieve the bone pain that may occur with certain kinds of cancer. The radioactive strontium is taken up in the bone cancer area and gives off radiation that helps provide relief of pain.
Is strontium chloride safe for teeth?
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There isn't enough reliable information to know if the form of strontium typically used in dietary supplements (strontium chloride) is safe or what the side effects might be. When applied to the teeth: Toothpastes (Sensodyne-SC) that contain strontium are likely safe. Sensodyne-SC is an FDA-approved product.
How hazardous is strontium chloride?
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HAZARD SUMMARY
Strontium Chlorate can affect you when breathed in and may be absorbed through the skin. * Contact can cause eye and skin irritation and burns. Breathing Strontium Chlorate can irritate the nose and throat. * Strontium Chlorate can cause nausea, vomiting, diarrhea and abdominal pain.
What does strontium do to humans?
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In the body, strontium behaves very much like calcium. A large portion of the strontium will accumulate in bone. In adults, strontium mostly attaches to the surfaces of bones. In children, whose bones are still growing, strontium may be used by the body to create the hard bone mineral itself.
Does strontium really build bone?
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It stimulates the formation of new bone tissue and decreases bone resorption, as has been shown in vitro and in experiments in animals. Strontium ranelate prevents bone loss in ovariectomized rats, increases bone mass in osteopenic animals, and increases bone strength in normal animals.
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