Sulfato de antimônio(III)

Sulfato de antimônio(III) Alerta sobre risco à saúde

Nome IUPAC	Sulfato de antimônio(III)
Identificadores
Número CAS	7446-32-4
PubChem	24010
Número EINECS	231-207-6
ChemSpider	22443
SMILES	`[SbH3+3].[SbH3+3].[O-]S(=O)(=O)[O-].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O`
Propriedades
Fórmula molecular	Sb₂(SO₄)₃
Massa molar	531.7078 g/mol
Densidade	3.6246 g/cm³^[1]
Solubilidade em água	insoluble
Riscos associados
MSDS	MSDS
Página de dados suplementares
Estrutura e propriedades	n, ε_r, etc.
Dados termodinâmicos	Phase behaviour Solid, liquid, gas
Dados espectrais	UV, IV, RMN, EM
Exceto onde denotado, os dados referem-se a materiais sob condições normais de temperatura e pressão Referências e avisos gerais sobre esta caixa. Alerta sobre risco à saúde.

Sulfato de antimônio, Sb₂(SO₄)₃, é um sal higroscópico formado pela reação do antimônio com ácido sulfúrico. O composto é utilizado em dopagem de semicondutores, produção de explosivos e fogos de artifício. ^[1]

Propriedades Químicas

Sulfato de antimônio é produzido pela reação do ácido sulfúrico com antimônio, entretanto não se forma nitrato de antimônio quando dissolvido em ácido nítrico. Isso se deve à natureza oxidante do ácido nítrico, que forma, com a reação, uma mistura de óxidos de antimônio.^[2]

Sulfato de antimônio é deliquescente e solúvel em meio ácido. Pode ser preparado por dissolução de antimônio, trióxido de antimônio, trissulfeto de antimônio ou cloreto de antimonila em ácido sulfúrico concentrado e a quente.^[1]^[2]

2 Sb (s) + 6 H₂SO₄ → Sb₂(SO₄)₃ + 3SO₂ + 6 H₂O

Precauções

Sulfato de antimônio (III) causa irritação em contato com a pele e mucosas e deve ser manuseado com cuidado. ^[3]

Referências

↑ ^a ^b ^c Herbst, Karl Albert et al. (1985) Antimony and antimony compounds in Ullmann's Encyclopedia of Industral Chemistry 5th ed., vol. A3, p. 70 ISBN 3-527-20103-3
↑ ^a ^b Nicholas C. Norman. Chemistry of arsenic, antimony, and bismuth. [S.l.]: Springer. pp. 193–. ISBN 978-0-7514-0389-3
↑ Antimony(III) Sulfate Material Safety Data Sheet Arquivado em 26 de abril de 2012, no Wayback Machine.. Prochemonline.

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