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Palmitate silver

Silver palmitate is a chemical compound, a salt of silver and palmitic acid with the formula AgC 15 H 31 COO, colorless (white) crystals, insoluble in water.

Palmitate silver
Are common
Systematic
name
Palmitate silver
Traditional namesPalmitic acid silver
Chem. formulaAgC 16 H 31 O 2
Rat formulaAgC 15 H 31 COO
Physical properties
conditioncolorless (white) crystals
Molar mass363.28 g / mol
Density1.6 g / cm³
Thermal properties
T. melt.209 ° C
Chemical properties
Solubility in water0.0012 to 20 ; 0.006 50 g / 100 ml
Solubility in ethanol0.006 25 g / 100 ml
Diethyl Solubility0.007 15 g / 100 ml

Getting

  • The exchange reaction between solutions of sodium palmitate and silver nitrate :
C15H31COONa+AgNO3→C15H31COOAg↓+NaNO3{\ displaystyle {\ mathsf {C_ {15} H_ {31} COONa + AgNO_ {3} \ {\ xrightarrow {}} \ C_ {15} H_ {31} COOAg \ downarrow + NaNO_ {3}}}}  

Physical Properties

Silver palmitate forms colorless (white) crystals of triclinic syngony , cell parameters a = 0.4282 nm , b = 4.395 nm , c = 0.4128 nm , α = 106.57 ° , β = 102.95 ° , γ = 90, 62 ° , Z = 2 .

Insoluble in water, ethanol , diethyl ether .

Literature

  • Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 2nd ed., rev. - M.-L.: Chemistry, 1966. - T. 1. - 1072 p.
  • Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 3rd ed., rev. - L .: Chemistry, 1971. - T. 2. - 1168 p.


Source - https://ru.wikipedia.org/w/index.php?title= Silver_palmit&oldid = 80368254


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Clever Geek | 2019