Periodic table of elements

Potassium nitrate [KNO3]

SOLUBILITY:
ammonia liquid [NH3]: 10,52 (0°), 10,4 (25°)
water [H2O]: 13,1 (0°), 21,2 (10°), 31,6 (20°), 37,9 (25°), 46 (30°), 63,9 (40°), 110,1 (60°), 168,8 (80°), 243,6 (100°), 786 (200°)
hydrazine [N2H4]: 14 (20°)
glycerol [HOCH2CH(OH)CH2OH]: soluble
diethyl ether [C2H5OC2H5]: insoluble
trichloroethylene [CHClCCl2]: 0,01 (15°)
ethanol [C2H5OH]: insoluble
ethanol [C2H5OH] 50%: 3,7 (20°)
ethanol [C2H5OH] 90%: 0,3 (20°)
ethylenediamine [H2NCH2CH2NH2]: 0,37 (25°)

PROPERTIES:
colourless rhombic crystals
M (molar mass): 101,100 g/mol
MP (melting point): 334 °C
ТDT (decomposing temperature): 400 °C
Decomp. to (names of the decomposition products): калия нитрит, кислород
D (density): 2,11 (16°, g/cm3, s.)
η (dynamic viscosity): 2,73 (350°), 2,09 (400°), 1,6 (460°), 1,38 (500°), 1,21 (550°) mPa∙s
ΔHmelt (molar enthalpy of melting): 9,8 kJ/mol
ΔH°298 (Standard molar enthalpy of reaction at 298 К): -494,5 (s) kJ/mol
ΔG°298 (standard molar Gibbs energy of reaction at 298 К): -493,2 (s) kJ/mol
298 (standard molar entropy at 298 К): 132,93 (s) J/(mol•К)
p (standard molar heat capacity): 95,1 (s) J/(mol•К)
LD50 (median lethal doses for laboratory animals): 3540 (rats, o/s) mg/kg

LITERARY REFERENCES:
• Vrednye veschestva v promyshlennosti: Spravochnik dlya himikov, inzhenerov i vrachey. - 7-e izd., T.3. - L.: Himiya, 1976. – P. 120
• Spravochnik po rastvorimosti. - T.1, Kn.1. - M.-L.: IAN SSSR, 1961. – P. 160
• Himicheskaya enciklopediya. - T.4. - M.: Sovetskaya enciklopediya, 1995. – P. 72
• Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1 - New York: D. Van Nostrand Company, 1940. – P. 833-850
• Stern K.H. High temperature properties and thermal decomposition of inorganic salts with oxyanions. - CRC Press, 2001. – P. 163
• Efimov A.I. i dr. Svoystva neorganicheskih soedineniy. Spravochnik. - L.: Himiya, 1983. – P. 130-131
• Rabinovich V.A., Havin Z.Ya. Kratkiy himicheskiy spravochnik. - L.: Himiya, 1977. – P. 68

MENU: