The Best Places to Buy Iron Oxide Powder Online and In-Store

If you are seeking reliable sources to purchase iron oxide powder, whether online or in physical stores, you have come to the right place. This guide will provide you with detailed information on some of the best options available, enabling you to make an informed choice.

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IRON OXIDE (II,III) BLACK

Iron Oxide Yellow - Pigment Yellow 42

Iron (III) Oxide Red - Ferric Oxide Fe2O3

TECHNICAL GRADE

250g

BLACK IRON OXIDE

Specification:

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• Other Names: Iron (II III) Oxide, ferrous ferric oxide, iron(II) diiron(III) oxide, ferroso ferric oxide, magnetite, black iron oxide, lodestone, rust
• CAS No: -61-9
• Formula: Fe3O4 / FeO.Fe2O3
• MOL Wt: 321.5 g/mol
• Assay: 99.8%
• Physical state: Black powder
• Particle size: <75 microns
• Specific gravity: 5.17 g/cm3
• Melting Point: °C
• Solubility: insoluble

Uses for Ferrous Ferric Oxide / Black Iron Oxide:

• Used as black pigment (CI pigment black 11 / CI).
• A pigment in ceramics to produce glazes.
• Used as a catalyst in the Haber process.
• Used as a catalyst in the 'water gas shift reaction'.
• Used as an ingredient in thermate, for cutting steel.

YELLOW IRON OXIDE

Uses for Iron Oxide Yellow:

• Used as yellow pigment (CI pigment 42).
• A pigment in ceramics to produce glazes.
• Coating, paint, scagliola, tinting of walls, floors.
• Pigment in watercolour and grease-paint.
• Tinting of leather colorant.

Yellow iron oxide is widely applied in paints, enamels, concrete colorants, and plastics where a permanent yellow is essential. It showcases remarkable hiding power and is compatible with various vehicles, dispersing well in different systems. Its absence of heavy metals adds to its appeal. It finds applications in primers, wood primers, dry distemper, cement paints, adhesives, and an array of other products.

Properties of yellow iron oxide:

• Other Names: C.I.; Iron (III) oxide monohydrate yellow; Pigment yellow 42; Bayferrox 920; Ferric oxide hydrate;
• CAS No: -00-1
• EINECS: 257-098-5
• Formula: Fe2O3 H2O / FeOOH
• MOL Wt: 177.71 g/mol
• Assay: 99.8%
• Fe2O3 content: 86%
• Physical state: Yellow powder
• Particle size: Not available
• Relative density: 4.03 g/cm3
• Melting Point: °C
• Solubility: Insoluble
• pH Value: 4.5

RED IRON OXIDE

Uses for Ferric Oxide / Red Iron Oxide:

• In the iron and steel industry, it is essential for producing steel and alloys.
• A pigment in ceramics to generate glazes.
• Jewellers rouge or red rouge.
• A fine polish for jewellery and lenses.
• Used in thermite reactions.

Properties of iron oxide red:

• Other Names: Ferric oxide, hematite, ferric iron, red iron oxide, synthetic maghemite, iron (III) oxide
• CAS No: -37-1
• EINECS No: 215-168-2
• Formula: Fe2O3
• MOL mass: 159.69 g/mol
• Physical state: Red/brown powder
• Specific gravity: 5.242 g/cm3
• Melting Point: °C
• Solubility: Insoluble