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LEAD PHOSPHITE, DIBASIC

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LEAD PHOSPHITE, DIBASIC Basic information

Product Name:
LEAD PHOSPHITE, DIBASIC
Synonyms:
  • Leadoxidephosphonate
  • leadoxidephosphonate(pb3o2(hpo3))
  • LEAD PHOSPHITE, DIBASIC
  • trilead dioxide phosphonate
  • plumbous phosphite
  • Dibasic Lead Phosphite
  • Dibasic lead(ii) phosphite
  • Einecs 235-252-2
CAS:
12141-20-7
MF:
H5O4PPb-2
MW:
307.21
EINECS:
235-252-2
Product Categories:
  • Inorganics
Mol File:
12141-20-7.mol
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LEAD PHOSPHITE, DIBASIC Chemical Properties

Water Solubility 
12.2mg/L at 20℃
Stability:
Stability
CAS DataBase Reference
12141-20-7(CAS DataBase Reference)
EPA Substance Registry System
Dibasic lead(II) phosphite (12141-20-7)
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LEAD PHOSPHITE, DIBASIC Usage And Synthesis

Chemical Properties

solid

Chemical Properties

Dibasic lead phosphite is a white crystalline powder, sp gr 6.9, refractive index 2.25, lead oxide content 90.2%, sieve analysis, 99.8% through 44 μm (325 mesh) (wet), water solubility, nil.

Uses

Fields of application for dibasic lead phosphite stabilizers in PVC include garden hose, flexible and rigid vinyl foams (as high temperature activator for azodicarbonamide-type blowing agents), coated fabrics, plastisols, electrical insulation, and extruded profiles for outdoor use. In general, at five parts per hundred of resin (5 phr), dibasic lead phosphite provides good heat stability and superior outdoor weathering properties in PVC. This stabilizer should be stored in closed containers, away from open flames, and at temperatures below 200 °C. Exposure to sparks or static electricity should be avoided by grounding all electrical equipment and using wooden scoops.

Flammability and Explosibility

Flammable

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