Stronsium peroksida

Stronsium peroksida
Penanda
Model 3D (JSmol)
3DMet {{{3DMet}}}
Nomor EC
Nomor RTECS {{{value}}}
  • InChI=1S/O2.Sr/c1-2;/q-2;+2
  • [O-][O-].[Sr+2]
Sifat
SrO2
Massa molar 119.619 g/mol
Penampilan white powder
Bau odorless
Densitas 4.56 g/cm3 (anhidrat) 1.91 g/cm3 (oktahidrat)
Titik lebur 215 °C (419 °F; 488 K) (berdekomposisi)[1]
agak dapat larut
Kelarutan sangat dapat larut dalam alkohol, amonium klorida
tidak dapat larut dalam aseton
Struktur
Tetragonal [2]
D174h, I4/mmm, tI6
6
Kecuali dinyatakan lain, data di atas berlaku pada suhu dan tekanan standar (25 °C [77 °F], 100 kPa).
N verifikasi (apa ini YaYN ?)
Referensi

Stronsium peroksida adalah senyawa anorganik dengan rumus SrO2 yang ada dalam bentuk anhidrat dan oktahidrat; keduanya merupakan senyawa padat berbentuk putih. Bentuk anhidratnya memiliki struktur yang mirip dengan kalsium karbida.[3][4]

Kegunaan

Senyawa ini merupakan oksidator yang digunakan sebagai peluntur. Senyawa ini digunakan di dalam komposisi piroteknik sebagai oksidator dan juga pewarna piroteknik merah. Selain itu, stronsium peroksida dapat digunakan sebagai antiseptik.

Produksi dan reaksi

Stronsium peroksida diproduksi dengan mengalirkan oksigen melewati stronsium oksida yang dipanaskan. Jika dipanaskan tanpa keberadaan O2, senyawa ini berubah menjadi SrO dan O2. Senyawa ini lebih labil daripada BaO2 dalam reaksi dengan panas.[1][5]

Referensi

  1. ^ a b Accommodation of Excess Oxygen in Group II Monoxides - S.C. Middleburgh, R.W. Grimes, K.P.D. Lagerlof http://onlinelibrary.wiley.com/doi/10.1111/j.1551-2916.2012.05452.x/abstract
  2. ^ Massalimov, I. A.; Kireeva, M. S.; Sangalov, Yu. A. (2002). Inorganic Materials. 38 (4): 363. doi:10.1023/A:1015105922260.  Tidak memiliki atau tanpa |title= (bantuan)
  3. ^ Bernal, J. D.; D'yatlova, E.; Kasarnovskii, I.; Raikhstein, S. I.; Ward, A. G. "The structure of strontium and barium peroxides" Zeitschrift für Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (1935), 92, 344-54.
  4. ^ Natta, G. "Structure of hydroxides and hydrates. IV. Octahydrated strontium peroxide" Gazzetta Chimica Italiana (1932), 62, 444-56.
  5. ^ Bauschlicher, Charles W. Jr.; Partridge, Harry; Sodupe, Mariona; Langhoff, Stephen R. "Theoretical study of the alkaline-earth metal superoxides BeO2 through SrO2" Journal of Physical Chemistry 1992, volume 96, pp. 9259-64. doi:10.1021/j100202a036


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