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Iron Oxide Black 740

General Information

Product NameIron Oxide Black 740 (Pigment Black 11)
Catalog NumberDYE-PIG-0204
CAS1317-61-9
Molecular FormulaFe3O4
C.I. Number77499
AppearanceBlack powder

Physical Properties

Purity (Fe3O4)≥ 90%
Oil Absorption15-25 ml/100g
Sieved Residues (Mesh 325)≤ 0.5%
Water Soluble Salts≤ 0.5%
Moisture≤ 1.5%
pH5-8
Bulk Density0.8-1.2 g/cm3
Specific Gravity4.8 g/cm3
Particle Size (BET)0.2 μm
Dispersibility (Hegman)20/30/40 μm
Tinting Strength (Compared with Standard)95-105%
Color Difference ΔE (Compared with Standard)≤ 1.0

Applications

  • Widely used in coating, paints, inks, plastics and rubber, etc.
  • This manual is for reference only, please do some small-scale tests before use in order to confirm the correct process and method. Alfa Chemistry will never be responsible for any disputes and liabilities arising therefrom. If in doubt, please contact us.

It is important to note that our products are for research use only and are not for clinical use.

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