Chinese name: Lead stearate
English name: Lead (II) stearate
CAS: 1072-35-1
EINECS: 214-005-2
Chemical formula: C36H70O4Pb
Molecular weight: 774.14
InChI: InChI = 1/2 c18h36o2. Pb. 2 h/c2 * 1-2-3-4-5-6-4-5-6-1-2-3-13-14 to 15-16-17-18 (19) 20;;; / h2 * 2-17 h2, h3, 1 (H, 19, 20);;; /q;; + 2;; /p-2/r2C18H36O2.H2Pb/c2*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20; / h2 * 2-17 h2, h3, 1 (H, 19, 20); 1H2/q;; +2/p-2
Density: 1.323
Melting point: 105~112℃
Boiling point: 359.4℃ at 760 mmHg
water Soluble: Soluble in hot alcohol. Slightly soluble in warm water.
Storage conditions: Inert atmosphere,Room Temperature
Appearance: Powder
Physical and chemical properties: white fine powder. Insoluble in ethanol, soluble in ether, slightly soluble in water.
MDL number: MFCD00050719
preparation
After adding stearic acid to the reactor to melt, adding sodium hydroxide solution, stirring reaction, to produce sodium stearate saponification solution, and then adding dilute lead acetate solution, continue stirring reaction, discharge, dehydration, drying, grinding, sifting, you can get lead stearate powder.
use
Used in oilfield chemicals as a lubricant release agent and a defoamer for drilling fluids. Also used as paint anti-precipitation agent, fabric drainage agent, lubricating oil thickening agent, plastic heat stabilizer, etc., for opaque soft and hard PVC products stabilizer.