Calcium stearate

Calcium stearate is a carboxylate salt of calcium, classified as a calcium soap. The salt is a component of some lubricants, surfactants, as well as many foodstuffs. It is a white waxy powder.

Calcium stearate
Names
Preferred IUPAC name
Calcium di(octadecanoate)
Other names
E470
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.014.976
PubChem CID
UNII
  • InChI=1S/2C18H36O2.Ca/c2*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2*2-17H2,1H3,(H,19,20);/q;;+2/p-2 Y
    Key: CJZGTCYPCWQAJB-UHFFFAOYSA-L Y
  • InChI=1/2C18H36O2.Ca/c2*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2*2-17H2,1H3,(H,19,20);/q;;+2/p-2
    Key: CJZGTCYPCWQAJB-NUQVWONBAL
SMILES
  • [Ca+2].[O-]C(=O)CCCCCCCCCCCCCCCCC.[O-]C(=O)CCCCCCCCCCCCCCCCC
Properties
C36H70CaO4
Molar mass 607.030 g·mol−1
Appearance white to yellowish-white powder
Density 1.08 g/cm3
Melting point 155 °C (311 °F; 428 K)
0.004 g/100 mL (15 °C)
Solubility soluble in hot pyridine
slightly soluble in oil
insoluble in alcohol, ether
Hazards
NFPA 704 (fire diamond)
2
1
0
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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