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Strontium carbonate CAS 1633-05-2


Strontium carbonate, chemical formula SrCO3, molecular weight 147.63. Colorless prismatic crystal or white powder. 26℃ into hexagonal system. The melting point is 1497℃(6.08×106Pa) and the relative density is 3.70. Slightly soluble in water, slightly soluble in carbon dioxide saturated solution, soluble in ammonium chloride, ammonium nitrate and carbonic acid solution. React with dilute hydrochloric acid, nitric acid and acetic acid to release carbon dioxide from Chemicalbook. It begins to decompose at 80℃, gradually loses carbon dioxide at 1340℃, and completely decomposes into strontium oxide and carbon dioxide during white heat, and the gas can reach 1.01×105Pa. Adding ammonium carbonate and ammonia water into strontium salt solution. Used as electronic component materials, spectral reagents, color TV cathode ray tubes, red fireworks materials, raw materials for making rainbow glass and other strontium salts.

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Product Name: Strontium carbonate

Synonym: Strontium carbonate

CAS No.:1633-05-2

Molecular Formula:CO3Sr

Molecular weight147.63


melting point 1494 °C (lit.)
boiling point 578.8±60.0 °C(Predicted)
density 3.7 g/mL at 25 °C (lit.)
Ksp precipitation equilibrium constant pKsp: 9.25
Merck  14,8838
Storage Sealed in dry,Room Temperature




  1. It is used to manufacture color TV cathode ray tubes, electromagnets, strontium ferrite, fireworks, fluorescent glass, signal flares, etc. It is also the raw material for producing other strontium salts.Phosphorylation reagent for protected serine and pyranose.
  2. Used as basic powder for the production of special PTC thermistor components (switch starting, demagnetization, current limiting protection, constant temperature heating, etc.)
  3. It is used to produce basic powder for nano-materials, electronic components, fireworks materials, rainbow glass, preparation of other strontium salts and PTC thermistor components (switch starting, demagnetization, current limiting protection, constant temperature heating, etc.).
  4. Manufacturing fluorescent glass, removing lead with strontium salt, dehydrogenating agent, and purifying sugar. High-purity strontium carbonate is used as thick film circuit material, and piezoelectric crystal is used to make rainbow glass.


Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.



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