Antimony Oxide
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Antimony Oxide
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Color Index
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Pigment White 11 CI 77052
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Formula
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Sb2O3
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Structure
Antimony Oxide cristallises in a cubic system.
Properties
Originally used to reduce the chalking of anatase titanium dioxide, this pigment
is inert and moderately opaque.
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Properties of antimony oxide
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Property
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Antimony Oxide
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Refractive Index
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2.09
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Density
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5.6
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Oil Absorption
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11
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Light Fastness
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excellent
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Heat Stability
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> 500°C
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Toxicology
Antimony Oxide is a very irritant product.
Uses
Because it is a very heavy gas, Sb2O3 chokes flames. Its main use today is in fire-retardant
paints.
