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Properties of substance:

sodium selenite

Group of substances:

inorganic

Physical appearance:

colorless monoclinic crystals

Empirical formula (Hill's system for organic substances):

Na2O3Se

Structural formula as text:

Na2SeO3

Molar/atomic mass: 172.94

Melting point (°C):

711

Decomposition temperature (°C):

600

Solubility (g/100 g of solvent):

water: 83.42 (16.3°C) [Ref.]
water: 85.6 (19.5°C) [Ref.]
water: 89.68 (24.4°C) [Ref.]
water: 73.22 (30.4°C) [Ref.]
water: 97.63 (34.7°C) [Ref.]
water: 95.16 (46.8°C) [Ref.]
water: 84.95 (89.1°C) [Ref.]

LD50 (mg/kg):

7 (rats, oral)
3-5.7 (rats, subcutaneous)
7 (mice, oral)
0.875-1 (dogs, intravenous)

References:

  1. Gangolli S. The Dictionary of Substances and their Effects. - 2 ed., Vol. 6, O-S. - RSC, 1999. - pp. 840-842
  2. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 12ed., Vol. 1-5. - Wiley, 2012. - pp. 4042-4043
  3. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1322
  4. РЖ Токсикология, Отдельный выпуск. - 1980. - №6. - pp. 8-9 [Russian]
  5. Редкие и рассеянные элементы. Химия и технология. - Кн. 3. - М.: Мисис, 2003. - pp. 246-247 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 133 [Russian]
  7. Химическая энциклопедия. - Т. 4. - М.: Советская энциклопедия, 1995. - pp. 312 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru