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Properties of substance:

ammonium thiosulfate

Group of substances:

inorganic

Physical appearance:

colorless monoclinic crystals

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

H8N2O3S2

Structural formula as text:

(NH4)2S2O3

Molar/atomic mass: 148.21

Decomposition temperature (°C):

150

Solubility (g/100 g of solvent):

acetone: slightly soluble [Ref.]
diethyl ether: insoluble [Ref.]
ethanol: insoluble [Ref.]
water: 2.15 (15°C) [Ref.]
water: 103.3 (100°C) [Ref.]

Hygroscopic:

yes

LD50 (mg/kg):

2890 (rats, oral)

References:

  1. Comey A. M., Hahn D. A. A dictionary of Chemical Solubilities Inorganic. - 2 ed. - New York, The MacMillan Company, 1921. - pp. 1062
  2. Dean J.A. Lange's handbook of chemistry. - 1999. - pp. 3.17
  3. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 236
  4. Milne G.W.A. Gardner's Commercially Important Chemicals. - Wiley-Interscience, 2005. - pp. 36-37
  5. Patnaik P. Handbook of inorganic chemicals. - McGraw-Hill, 2003. - pp. 47-48
  6. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 98-99 [Russian]
  7. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 26-27 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru