Manganese stearate

Manganese stearate is a metal-organic compound, a salt of manganese and stearic acid with the chemical formula C
36H
70MnO
4.[1][2] The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid.[3]

Manganese stearate
Names
Other names
Manganese(II) stearate, manganese distearate, manganese(2+) dioctadecanoate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.020.110
EC Number
  • 222-119-9
UNII
  • InChI=1S/2C18H36O2.Mn/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: SZINCDDYCOIOJQ-UHFFFAOYSA-L
  • CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Mn+2]
Properties
C
36H
70MnO
4
Molar mass 621.89
Appearance Pale pink powder
Density g/cm3
Boiling point 359.4 °C (678.9 °F; 632.5 K)
insoluble
Hazards
GHS labelling:
Warning
H302, H312, H315, H319, H332, H335
Flash point 162.4 °C (324.3 °F; 435.5 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Synthesis

Manganese stearate is synthesized by the reaction of stearic acid with sodium hydroxide, followed by reacting with manganese chloride.[4]

Also, the reaction of manganese(II) acetate with stearic acid.[5]

Physical properties

The compound forms pale pink powder.[6]

Insoluble in water.[6]

Uses

The compound is used in organic synthesis reactions.[6]

Also as an oxidant additive for oxo-biodegradable polymers (for example, high-density polyethylene).[7]

References
  1. "Manganese Stearate". American Elements. Retrieved 6 March 2023.
  2. "NCATS Inxight Drugs — MANGANESE STEARATE". National Center for Advancing Translational Sciences. Retrieved 6 March 2023.
  3. "CAS 3353-05-7 Manganese Stearate - Alfa Chemistry". alfa-chemistry.com. Retrieved 6 March 2023.
  4. Aras, Neny Rasnyanti M.; Arcana, I Made (2015). "Synthesis of manganese stearate for high density polyethylene (HDPE) and its biodegradation". AIP Conference Proceedings. 1677 (1): 070024. Bibcode:2015AIPC.1677g0024A. doi:10.1063/1.4930728. Retrieved 6 March 2023.
  5. "manganese stearate". chemsrc.com. Retrieved 6 March 2023.
  6. "Manganese Stearate | CAS 3353-05-7". Santa Cruz Biotechnology. Retrieved 6 March 2023.
  7. Roy, Prasun Kumar; Singh, Priyanka; Kumar, Devendra; Rajagopal, Chitra (2010). "Manganese stearate initiated photo-oxidative and thermo-oxidative degradation of LDPE, LLDPE and their blends". Journal of Applied Polymer Science: NA. doi:10.1002/app.31252.


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