Anyang Criss chemicals Co,.ltd.

Calcium carbonate

• Category :

  Food and Feed additives

• Synonyms :

  C.I. 77220;C.I. Pigment White 18;Chalk;Weightily Calcium Carbonate;Calcium Carbonate Light;Calcium Carbonate Heavy;Biological Calcium Carbonate;Oyster Shell Powder;Carbonic acid calcium salt (1:1);Limestone;

• CAS NO :

  471-34-1

• EC NO :

  207-439-9

• Molecular Formula :

  CaCO₃

• Molecular Weight :

  100.088

• Main Specifications :

• InChI :

  InChI=1/CH2O3.Ca.2H/c2-1(3)4;;;/h(H2,2,3,4);;;/p-2/rCH2O3.CaH2/c2-1(3)4;/h(H2,2,3,4);1H2/p-2

• Product description :

  Molecular Formula: CaCO₃
  Molecular Weight: 100.0892
  Packaging: 25kg/Bag
  Characters: Odorless, tasteless white powder or colorless crystal. Melting point 825 °C, relative density (water = 1) 2.70-2.95, do not dissolve in water, soluble in acid.

  Calcium carbonate	Pharmaceutical(USP)	Food Grade(GB)
  Assay %	≥98.5	≥98.0
  Hydrochloric acid insoluble %	≤0.2	≤0.2
  Heavy Metals %	≤0.002	≤0.002
  Magnesium and potassium %	≤1.0	≤1.0
  Barium %	No	≤0.03
  As %	≤0.0003	≤0.0003
  Loss on drying %	≤2.0	≤2.0
  Pb %	≤0.0003	/
  Fe %	≤0.04	/
  Fluoride %	≤0.005	/

• Molecular Structure :