Calcium carbonate
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- Category :
Inorganic chemicals/Inorganic salts
- CAS NO : 471-34-1
- EC NO : 207-439-9
- Molecular Formula : CaCO3
- Main Specifications : HS code:28365000
- 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;
Package: 25kg/PP bag
Uses : rubber, ceramic, pigment, EVA,paint,
Molecular Structure:
Product description:
Property:White powder or colorless crystal.Odorless or tasteless. There are two crystals, one is the orthogonal crystal aragonite, one is hexagonal rhombohedral calcite crystals.At 825℃ can be decomposed into calcium oxide and carbon dioxide.Soluble in acide, nearly insoluble in water. Aragonite:relative density: 2.83,melting point:825℃. Aalcite:relative density:(d25.2)2.711, melting point:1339℃(10.39MPa).Irritating odor.
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