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Iron Oxide Red

Pigment Red 101 (CI 77491) is a red iron oxide with the chemical formula Fe 2 O 3 and a hematite structure.

Product Description

Red Iron Oxide Pigment

Red Iron Oxide Pigment is a red iron oxide with the chemical formula Fe 2 O 3 and a hematite structure.

Red iron oxide (iron oxide red) pigments have a dark red hue, are opaque to visible light and have a moderate near infrared reflectance.

PR101 pigments offer properties well suited for plastics, coatings, cement, concrete, glass and ceramic applications, including easy dispersion and excellent dimensional stability without warping or shrinking.


Plastics: polyolefins, PS, ABS, engineering polymers, PVC, silicones and rubber

Coatings: liquid architectural and industrial coatings, powder coatings, coil coatings, drying coatings and high temperature coatings

Industrial: cement, concrete, glass and ceramics

Iron Oxide Red


Delivery formPowder
Colour indexPigment red 101 (77491)
CAS No./EC No.1309-37-1/215-168-2

Oil absorptionml/100g15~25
Res. On 325 mesh%≤0.3
Water soluble salts%≤0.3
pH value
Specific gravityg/cm35.0
Tinting strength(compared with standard)%95~105
Colour difference ∆E(compared with standard)
Sales packingIn 25kg bag/1000kg bulk bag then palletized
Transport & storageProtect against weathering/store in a dry place
SafetyThe product is not classified as hazardous under EC 1907/2006 & EC 1272/2008