Product Main

Specifications

IUPAC name
Iron Oxide
 
 
Molecular formula
Fe2O3 , Fe3O4
 
 
CAS number
Fe2O3
1309-37-1
Fe3O4
12227-89-3
 
 
appearance
red/brown/black/yellow/blue powder
 
 
Item
 
Iron Oxide Red 130
Iron oxide Red 190
 
Iron oxide Brown 610
 
Iron Oxide Black 780
 
Iron oxide Yellow 313
 
Iron Oxide Blue
 
 
Fe2O3/Fe3O4≥%
96
95
92
93
86
 
 
 
105°C Moisture ≤%
1
1
1
1
1
1
 
 
Water soluble salts ≤%
0.3
0.3
0.5
0.5
0.3
0.5
 
 
Residue on 45um≤%
0.2
0.2
0.3
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