STRONTIUM CHLORIDE - (10476-85-4)

Введение

имя: strontium chloride
* IUPAC
Количество CAS: 10476-85-4
Химическая формула: SrCl2
Молярная масса: 158.526 g
Массовая доля: Sr 55.271 %; Cl 44.728 % 

классификация

Использование / функции

• "used in some toothpastes for persons with sensitive teeth" 1

• "Manuf[acturing] strontium salts; in pyrotechnics; pharmaceutical aid (dental desensitizer). Antineoplastic (radiation source)." 2

Физические свойства

Температура плавления:*
874°C 3 = 1147.15 K = 1605.2°F
875°C 4 = 1148.15 K = 1607°F
Точка кипения:*
1250°C 4 = 1523.15 K = 2282°F
1250°C 3 = 1523.15 K = 2282°F
плотность (g/cm3):
3.052 at room temperature/pressure 3
* - 1 atm pressure

Растворимость

качественный:
хорошо растворим:  • • • 4

Связующие

Связующие: ionic
Ionic Character: 66.97 %

термохимия

ΔHf° (s): -198.10 kcal/mol 5 = -828.85 kJ/mol
ΔHf° (s): -198.11 kcal/mol = -828.9 kJ/mol 6
S° (s): 27.45 cal/(mol•K) 7 = 114.85 J/(mol•K)
S° (s): 27.46 cal/(mol•K) = 114.9 J/(mol•K) 8
ΔGf° (s): -186.67 kcal/mol 9 = -781.03 kJ/mol
ΔGf° (s): -186.69 kcal/mol = -781.1 kJ/mol 10

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источники

(1) - Whitten, Kenneth W., Davis, Raymond E., and Peck, M. Larry. General Chemistry 6th ed.; Saunders College Publishing: Orlando, FL, 2000; p 931.
(2) - The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals, 13th ed.; Budavari, S.; O'Neil, M.J.; Smith, A.; Heckelman, P. E.; Kinneary, J. F., Eds.; Merck & Co.: Whitehouse Station, NJ, 2001; entry 8923.
(3) - Lide, David R. CRC Handbook of Chemistry and Physics, 83rd ed.; CRC Press: Boca Raton, FL, 2002; p 4-86.
(4) - Dean, John A. Lange's Handbook of Chemistry, 11th ed.; McGraw-Hill Book Company: New York, NY, 1973; p 4:125.
(5) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(6) - Lide, David R. CRC Handbook of Chemistry and Physics, 83rd ed.; CRC Press: Boca Raton, FL, 2002; p 5-12.
(7) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(8) - Lide, David R. CRC Handbook of Chemistry and Physics, 83rd ed.; CRC Press: Boca Raton, FL, 2002; p 5-12.
(9) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(10) - Lide, David R. CRC Handbook of Chemistry and Physics, 83rd ed.; CRC Press: Boca Raton, FL, 2002; p 5-12.