Strontium sulphate
Strontium sulfate
CAS: 7759-02-6
Molecular Formula: O4SSr
Strontium sulphate - Names and Identifiers
| Name | Strontium sulfate |
| Synonyms | STRONTIUM SULFATE Strontium sulfate STRONTIUM SULPHATE Strontium sulphate Strontium monosulfate STRONTIUM (II) SULFATE Strontium Sulfate, Puratronic (Metals Basis) STRONTIUM SULFATE, REAGENTSTRONTIUM SULFATE, REAGENTSTRONTIUM SULFATE, REAGENTSTRONTIUM SULFATE, REAGENT |
| CAS | 7759-02-6 |
| EINECS | 231-850-2 |
| InChI | InChI=1/H2O4S.Sr/c1-5(2,3)4;/h(H2,1,2,3,4);/q;+2/p-2 |
Strontium sulphate - Physico-chemical Properties
| Molecular Formula | O4SSr |
| Molar Mass | 183.68 |
| Density | 3.96 g/mL at 25 °C (lit.) |
| Melting Point | 1606 °C (lit.) |
| Boling Point | 330°C at 760 mmHg |
| Water Solubility | Soluble in dilute hydrochloric acid and nitric acid . Slightly soluble in water < 0.01 g/L . Insoluble in ethanol and alkalis. |
| Solubility | aqueous acid: slightly soluble(lit.) |
| Vapor Presure | 3.35E-05mmHg at 25°C |
| Appearance | Crystallization |
| Color | White |
| Solubility Product Constant(Ksp) | pKsp: 6.46 |
| Merck | 14,8848 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Easily absorbing moisture |
| MDL | MFCD00036274 |
| Physical and Chemical Properties | Orthorhombic crystal system, the crystal is plate-like, short columnar or spindle-like. Colorless or light blue, sometimes light green, light yellow, light red or white. Glass luster, White Stripes insoluble in water. |
| Use | Saturated solutions are used to test barium. Used for fireworks, ceramics, paper making, etc. |
Strontium sulphate - Risk and Safety
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| RTECS | WT1210000 |
| TSCA | Yes |
| HS Code | 28332990 |
Strontium sulphate - Introduction
Slightly soluble in dilute acid and water, insoluble in alcohol and dilute sulfuric acid.
Last Update：2022-10-16 17:28:41
Strontium sulphate - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| solubility in water (g/100ml) | grams dissolved per 100ml of water at different temperatures (℃): 1.13 × 10-2/30 ℃;1.29 × 10-2/10 ℃;1.32 × 10-2/20 ℃;1.38 × 10-2/30 ℃;1.41 × 10-2/40 ℃ 1.31 × 10-2/60 ℃;1.16 × 10-2/80 ℃;1.15 × 10-2/90 ℃ |
| Application | is used to extract strontium and strontium compounds, and is widely used in national defense, electronics, machinery, chemical industry and other industries, also used in ceramics, dyes, pharmaceuticals and other industries Celite is mainly used for the preparation of strontium carbonate, followed by strontium nitrate, strontium chromate, strontium titanate, strontium phosphate, strontium sulfate, strontium chloride, strontium metal can be refined. Strontium and strontium salts are widely used in electronic, metallurgical, nonferrous, electrical, national defense, glass, pharmaceutical, sugar and other industrial sectors. Strontium carbonate can be used as a color picture tube screen coating, not only can greatly reduce the X-ray radiation, but also improve the clarity of the picture and the authenticity of the color tone. It is used in the electrical industry for the fabrication of strontium ferrite ceramic materials and atomic batteries. In metallurgical industry, strontium and strontium salts can be used as desulfurization and dephosphorization agents in steelmaking, and can improve the properties of pig iron and steel quality in ferrosilicon production. Used in the defense industry for the manufacture of flares, tracers and pyrotechnic. In addition, it can also be used as a reducing agent for refractory metals, a degassing agent for vacuum tubes, a catalyst for artificial diamond, a lubricant, a special alloy material, and the like. In recent years. The oxides of strontium, lanthanum and copper can be used as important metals in superconducting ceramics. It is used as an additive for glass and ceramics, as well as a degassing agent for vacuum tubes, etc. A saturated solution is used to examine barium. Used in pyrotechnic, ceramic, paper, etc. |
| production method | the mining method is mainly open-pit mining and underground mining. The general process is the same as that of phosphorite ". High-grade Lapite ore can be sold as block ore or ground into powder ore only by hand selection; For ores with quartz, gypsum, calcite, limonite and clay minerals, washing or scrubbing can be performed first, and then the gravity separation method; For the fine-grained embedded ore and the gravity separation of the ore and tailings can be used in flotation. The principle flow of mineral processing test of Jiangsu aijingshan Reed mine is as follows: |
Last Update：2024-04-10 22:29:15
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