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26423 Sigma-Aldrich

Zinc stearate

purum, 10-12% Zn basis

Synonym: Stearic acid zinc salt

  • CAS Number 557-05-1

  • Linear Formula [CH3(CH2)16COO]2Zn

  • Molecular Weight 632.33

  •  Beilstein Registry Number 3919706

  •  MDL number MFCD00013031

  •  PubChem Substance ID 57648174

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Properties

Related Categories Building Blocks, Carbonyl Compounds, Carboxylic Acid Salts, Catalysis and Inorganic Chemistry, Chemical Synthesis,
InChI Key   XOOUIPVCVHRTMJ-UHFFFAOYSA-L
grade   purum
assay   10-12% Zn basis
autoignition temp.   1454 °F
impurities   ≤3.5% free acid (as stearic acid)
ign. residue   12-15%
loss   ≤1% loss on drying, 105 °C
mp   128-130 °C(lit.)
solubility   alcohol: insoluble(lit.)
  benzene: soluble(lit.)
  diethyl ether: insoluble(lit.)
  water: insoluble(lit.)

Description

Application

Zinc stearate has been used as reinforcing filler and as a plasticizer for the maleated ethylene-propylene-diene rubber.

General description

The effect of zinc stearate on mechanical properties and on thermal stability of plastigels obtained from polyvinylchloride and dioctylphthalate plastisols was studied. Zinc stearate decreases the melt viscosity of the ionomeric blend of maleated ethylene-propylene-diene monomers and maleated high-density polyethylene.

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Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
ZH5200000
Flash Point(F) 
356 °F
Flash Point(C) 
180 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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