| Category : | Inorganic chemicals |  | 
                    
                      | CAS NO : | 1309-37-1 | 
                    
                      | EC NO : | 215-168-2;215-275-4;215-570-8 | 
                    
                      | MF : | Fe2O3 | 
                    
                      | MW : | 159.6882 | 
                                                            
                      | Product description : | | Item | Iron Oxide Red 130 | Iron oxide Red 190
 | Iron oxide Brown 842 | Iron Oxide Black 722 | Iron oxide Yellow 313 | Iron Oxide Blue |  | Fe2O3/Fe3O4≥% | 96 | 95 | 92 | 93 | 86 |   |  | 105°C Moisture ≤% | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |  | Water soluble salts ≤% | 0.3 | 0.3 | 0.5 | 0.5 | 0.3 | 0.5 |  | Residue on 45um ≤% | 0.2 | 0.20 | 0.30 | 0.3 | 0.3 | 0.3 |  | PH-value | 3.5-8 | 3.5-8 | 4-7 | 5-8 | 3.5-7 |   |  | Oil absorption  | 15-25 | 15-25 | 20-30 | 12-25 | 25-35 |   |  | Tinting strength % | 95-105 | 95-105 | 95-105 | 95-105 | 95-105 | 95-105 |  | Density approx / cm3 | 5.0-5.1 | 5.0-5.1 | 4.8 | 4.5-5.0 | 4.0-4.3 |   | 
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                      | Synonyms : | C.I. 77491;C.I. Pigment Red 101;C.I. Pigment Red 101 and 102;C.I. Pigment Red 102;Ferric oxide;Iron (III) Oxide Anhydrous;diiron trioxide;E 172;Iron (III) oxide - calcined;Ironoxide anhydrous;Ironoxideredbrownpowder;Iron oxide - precipitated;Ferric oxide,medicinal;Ferric oxide for ferrite;Iron (III) oxide, red;Hematite;IRON OXIDE RED;C.I.P. R.101;Iron (III) oxide;diferric oxygen(-2) anion;oxo-(oxoferriooxy)iron;Iron Oxide;Iron(III)oxide;Transparent iron oxide red; | 
                    
                      | Molecular Structure : |  |