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| + | Redirect to [[antimony(III) oxide]] |
| − | | Name = Antimony Trioxide
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| − | | IUPACName = Antimony(III) oxide
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| − | | SystematicName =
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| − | | OtherNames = {{Unbulleted list
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| − | | ''Antimony sesquioxide''
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| − | | ''Antimonous oxide''
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| − | | ''name50''
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| − | <!-- Sections -->
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| − | | Section1 = {{Chembox Identifiers
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| − | | 3DMet =
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| − | | Abbreviations =
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| − | | SMILES = O=[Sb]O[Sb]=O
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| − | | Section2 = {{Chembox Properties
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| − | | AtmosphericOHRateConstant =
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| − | | Appearance = White powder
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| − | | BoilingPt = 1425
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| − | | Density = 5.2 g/cm³ α-form, 5.67 g/cm³ β-form
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| − | | Formula = Sb2O3
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| − | | MeltingPt = 656
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| − | | Solubility = 370 ± 37 µg/L
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| − | | SolubleOther = Soluble in acids and bases
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| − | | Section3 = {{Chembox Structure
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| − | | Coordination = Pyramidal
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| − | | CrystalStruct = cubic (α)<570 °C, orthorhombic (β) >570 °C
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| − | | Section4 = {{Chembox Thermochemistry
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| − | | Section6 = {{Chembox Hazards
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| − | | LD50 = 7000 mg/kg, oral (rat)
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| − | | MainHazards = Carcinogenic
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| − | | Section7 = {{Chembox Related
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| − | Antimony trioxide is an oxide of [[antimony]]. It is used as a flame retardant in combination with halogenated materials, an opacifying agent in [[glass]] and ceramic production, in some special pigments, and as a [[catalyst]].
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| − | ==Properties==
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| − | ===Chemical===
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| − | Antimony(III) oxide is an [[amphoteric]] [[oxide]] of antimony. It dissolves in acids to form the corresponding acid salts and in sodium hydroxide to form [[sodium meta-antimonite]] (NaSbO2).
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| − | Sb2O3 + 6 HCl → 2 SbCl3 + 3 H2O
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| − | With carbon, antimony trioxide forms elemental antimony.
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| − | 2 Sb2O3 + 3 C → 3 CO2 + 4 Sb
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| − | ===Physical===
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| − | Antimony trioxide is an odorless, white solid.
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| − | ==Availability==
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| − | To do
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| − | ==Preparation==
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| − | Antimony trioxide can be prepared by reaction of antimony metal with oxygen at high temperatures. This is best done in a furnace. The product will sublime during the process of making it.
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| − | ==Projects==
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| − | *Pigment
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| − | *Glass and ceramic production
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| − | *Catalyst for polyethylene terephthalate production
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| − | ==Handling==
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| − | ===Safety===
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| − | Antimony(III) oxide is a suspected carcinogen. It should be handled with care, especially at high temperatures where it tends to sublime.
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| − | ===Storage===
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| − | Can be stored in any container. Should be stored away from acid and base vapors.
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| − | ===Disposal===
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| − | ==References==
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| − | <references/>
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| − | ===Relevant Sciencemadness threads===
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