Physical Properties Occurrence and Uses Production
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Zinc carbonate

Physical Properties Occurrence and Uses Production
Zinc carbonate Structure
Zinc carbonate
  • CAS No.3486-35-9
  • Chemical Name:Zinc carbonate
  • CBNumber:CB9853531
  • Molecular Formula:CO3Zn
  • Formula Weight:125.4
  • MOL File:3486-35-9.mol
Zinc carbonate Property
  • Melting point: :decomposes [KIR84]
  • Density  :4,398 g/cm3
  • form  :Solid
  • color  :White
  • Water Solubility  :mol/L solution H2O: 1.64×10?4 (solubility is given at Pco2=0.00032 bar) [KRU93]; soluble dilute acids, alkalies, NH3 solutions [MER06]
  • Solubility Product Constant (Ksp) :pKsp: 9.94
  • Stability: :Stable. Incompatible with acids.
  • Substances Added to Food (formerly EAFUS) :ZINC CARBONATE
  • CAS DataBase Reference :3486-35-9(CAS DataBase Reference)
  • SCOGS (Select Committee on GRAS Substances) :Zinc carbonate
  • EWG's Food Scores :3
  • EPA Substance Registry System :Zinc carbonate (3486-35-9)
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal word
  • Hazard statements
  • Precautionary statements

Zinc carbonate Chemical Properties,Usage,Production

  • Physical Properties White crystalline solid; orthorhombic structure; refractive index 1.818; Mohs hardness 4.3; decomposes at 300°C forming zinc oxide; practically insoluble in water, 10 mg/L at 15°C; soluble in acids, alkalis, and ammonium salt solutions.
  • Occurrence and Uses Zinc carbonate occurs in nature as mineral smithsonite and zincspar. The compound is used in ceramics and fire proofing filler for rubber and plastics.Also, it is used in lotions, ointments, cosmetics, and as a topical antiseptic.
  • Production Zinc carbonate is derived from its mineral smithsonite. Also, the compound may be prepared by the reaction of sodium bicarbonate with a soluble zinc salt:
    ZnCl2 + NaHCO3 → ZnCO3 + NaCl + HCl
  • Chemical Properties White, crystalline powder. Evolves carbon dioxide at 300C. Soluble in acids, alkalies, and ammonium salt solutions; insoluble in water.
  • Chemical Properties Smithsonite is zinc carbonate, ZnCO3, a hexagonal mineral with a rhombohedral cleavage. It is a brittle mineral; hardness, 4–4.5; specific gravity, 4.3–4.5; luster, vitreous to dull; color, usually white, but may be colored yellowish or brownish or perhaps blue or green due to impurities. It is translucent to opaque.
  • Uses Antiseptic (topical); astringent.
  • General Description A white crystalline solid or powder that is insoluble in water. The primary hazard is the threat posed to the environment. Immediate steps should be taken to limit its spread to the environment. Used in pharmaceuticals, to make other zinc compounds, as a feed additive.
  • Reactivity Profile Zinc carbonate reacts with acids to generate carbon dioxide and a zinc-containing solution. Dissolves in bases and in solutions of ammonium salts.
  • Health Hazard INHALATION OF DUST OR FUMES: Dry throat, cough and chest discomfort. Fever and sweating. SKIN: Astringent. INGESTION: May cause nausea and vomiting.
  • Fire Hazard Behavior in Fire: Could decompose to liberate CO 2
  • Safety Profile An experimental teratogen. When heated to decomposition it emits toxic fumes of CO and Zn.
Zinc carbonate Preparation Products And Raw materials
Raw materials
Preparation Products
  • Supplier:
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    Haihang Industry Co.,Ltd
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    career henan chemical co
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