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Antimony(III) acetate is the compound of antimony with the chemical formula of Sb(CH 3 CO 2) 3. It is a white powder, is moderately water-soluble, and is used as a catalyst in the production of polyesters .
The acetate anion, [CH 3 COO] −,(or [C 2 H 3 O 2] −) is one of the carboxylate family. It is the conjugate base of acetic acid. Above a pH of 5.5, acetic acid converts to acetate: [1] CH 3 COOH ⇌ CH 3 COO − + H + Many acetate salts are ionic, indicated by their tendency to dissolve well in water.
2 Sb + 3 S → Sb 2 S 3. Sb 2 S 3 is precipitated when H 2 S is passed through an acidified solution of Sb(III). [9] This reaction has been used as a gravimetric method for determining antimony, bubbling H 2 S through a solution of Sb(III) compound in hot HCl deposits an orange form of Sb 2 S 3 which turns black under the reaction conditions. [10]
Antimony(III) oxide is the inorganic compound with the formula Sb 2 O 3. It is the most important commercial compound of antimony. It is found in nature as the minerals valentinite and senarmontite. [3] Like most polymeric oxides, Sb 2 O 3 dissolves in aqueous solutions with hydrolysis. A mixed arsenic-antimony oxide occurs in nature as the ...
Antimony triselenide is the chemical compound with the formula Sb 2 Se 3. The material exists as the sulfosalt mineral antimonselite (IMA symbol: Atm [2]), which crystallizes in an orthorhombic space group. [3] In this compound, antimony has a formal oxidation state +3 and selenium −2.
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Three Sb–F bonds are short (192 pm) and three are long (261 pm). Because it is a polymer, SbF 3 is far less volatile than related compounds AsF 3 and SbCl 3. [3] SbF 3 is prepared by treating antimony trioxide with hydrogen fluoride: [4] Sb 2 O 3 + 6 HF → 2 SbF 3 + 3 H 2 O. The compound is a mild Lewis acid, hydrolyzing slowly in water.
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