Ground calcium carbonate Precipitated calcium carbonate Dolomite
IUPAC name limestone carbonic acid calcium salt dolomite
molecular formula CaCO3 CaCO3 CaMg(CO3)2
EINECS n 215-279-6 207-439-9 240-440-2
CAS n 1317-65-3 471-34-1 16389-88-1
Colour index 77220 77220  
EU food additive E 170 E 170  
EU food contact (PM/REF) 42500 42500 42500
FDA GRAS GRAS  

 

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