Strontium stearate

Names
Other names

strontium distearate, strontium dioctadecanoate[1][2]

Identifiers

CAS Number

* 10196-69-7 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 145338

PubChem CID

* 517349

InChI

* InChI=1S/2C18H36O2.Sr/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: FRKHZXHEZFADLA-UHFFFAOYSA-L

SMILES

* CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Sr+2]

Properties

Chemical formula

| C
36H
70SrO

Molar mass | 654.56
Appearance  | white powder
Density | 1.11 g/cm3
Melting point | 130–140 °C (266–284 °F; 403–413 K)

Solubility in water

| insoluble

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Chemical compound

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

## Synthesis

[edit]

A reaction of strontium hydroxide with stearic acid.[5]

## Physical properties

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The compound forms white powder. Insoluble in alcohol, soluble (forms gel) in aliphatic and aromatic hydrocarbons.[6]

## Uses

[edit]

Strontium stearate is used in grease and wax compounding.[6][7]

It is also used as a lubricant to improve the flow characteristics of polyolefin resins.[8]

## References

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1. ^ "CAS 10196-69-7 Strontium stearate - Alfa Chemistry". alfa-chemistry.com. Retrieved 28 February 2023.
2. ^ "Strontium Stearate - CAS No. 10196-69-7 - World Metal, Stafford TX". worldmetalllc.com. Retrieved 28 February 2023.
3. ^ "STRONTIUM STEARATE - Optional[FTIR] - Spectrum - SpectraBase". spectrabase.com. Retrieved 28 February 2023.
4. ^ "Stearic acid, strontium salt". National Institute of Standards and Technology. 17 October 2019. Retrieved 28 February 2023.
5. ^ Schreck, Albert E.; Arundale, Joseph C. (1959). Strontium: A Materials Survey. U.S. Government Printing Office. p. 27. Retrieved 28 February 2023.
6. ^ a b Lewis, Robert A. (1 April 2016). Hawley's Condensed Chemical Dictionary. John Wiley & Sons. p. 1281\. ISBN 978-1-119-26784-3. Retrieved 28 February 2023.
7. ^ Modern Technology of Petroleum, Greases, Lubricants & Petro Chemicals (Lubricating Oils, Cutting Oil, Additives, Refining, Bitumen, Waxes with Process and Formulations) 3rd Revised Edition. NIIR Project Consultancy Services. 3 April 2018. p. 177\. ISBN 978-93-81039-61-8. Retrieved 28 February 2023.`{{cite book}}`: CS1 maint: location missing publisher (link)
8. ^ Flick, Ernest W. (22 October 2013). Plastics Additives, Volume 2. William Andrew. p. 206\. ISBN 978-0-8155-1863-1. Retrieved 28 February 2023.

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Strontium compounds

* SrAl2O4
* SrB6
* SrBr2
* Sr(BrO3)2
* SrCO3
* Sr(C2H4O2)2
* SrCl2
* Sr(ClO3)2
* SrCrO4
* SrF2
* SrI2
* C

10O
6Sr
* Sr(NO3)2
* SrO
* SrO2
* Sr3P2
* Sr(OH)2
* C
36H
70SrO

* SrS
* SrSe
* SrSO4
* SrTiO3
* Sr3N2
* SrRuO3
* Sr2RuO4

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Salts and covalent derivatives of the stearate ion

| HCH3(CH2)16CO2 |  |  |  | He

|
|
|
|

LiCH3(CH2)16CO2 | Be(CH3(CH2)16CO2)2 | B(CH3(CH2)16CO2)3 | C  | NH4CH3(CH2)16CO2,  | -O- | F  | Ne
NaCH3(CH2)16CO2 | Mg(CH3(CH2)16CO2)2 | Al(CH3(CH2)16CO2)3 | Si(CH3(CH2)16CO2)4 | P(CH3(CH2)16CO2)3 | S  | Cl  | Ar
KCH3(CH2)16CO2 | Ca(CH3(CH2)16CO2)2 |  | Sc(CH3(CH2)16CO2)3 | Ti  | V  | Cr(CH3(CH2)16CO2)2 | Mn  | Fe(CH3(CH2)16CO2)2
Fe(CH3(CH2)16CO2)3 | Co(CH3(CH2)16CO2)2 | Ni(CH3(CH2)16CO2)2 | Cu(CH3(CH2)16CO2)2 | Zn(CH3(CH2)16CO2)2 | Ga(CH3(CH2)16CO2)3 | Ge  | As(CH3(CH2)16CO2)3 | Se  | Br  | Kr
RbCH3(CH2)16CO2 | Sr(CH3(CH2)16CO2)2 |  | Y(CH3(CH2)16CO2)3 | Zr(CH3(CH2)16CO2)3 | Nb  | Mo  | Tc  | Ru  | Rh  | Pd(CH3(CH2)16CO2)2 | AgCH3(CH2)16CO2 | Cd(CH3(CH2)16CO2)2 | In(CH3(CH2)16CO2)3 | Sn  | Sb(CH3(CH2)16CO2)3 | Te  | I  | Xe
CsCH3(CH2)16CO2 | Ba(CH3(CH2)16CO2)2 | *  | Lu(CH3(CH2)16CO2)3 | Hf  | Ta  | W  | Re  | Os  | Ir  | Pt  | AuCH3(CH2)16CO2 | Hg2(CH3(CH2)16CO2)2,
Hg(CH3(CH2)16CO2)2 | TlCH3(CH2)16CO2 | Pb(CH3(CH2)16CO2)2 | Bi(CH3(CH2)16CO2)3 | Po  | At  | Rn
Fr  | Ra  | **  | Lr  | Rf  | Db  | Sg  | Bh  | Hs  | Mt  | Ds  | Rg  | Cn  | Nh  | Fl  | Mc  | Lv  | Ts  | Og

*  | La(CH3(CH2)16CO2)3 | Ce(CH3(CH2)16CO2)3 | Pr  | Nd  | Pm  | Sm(CH3(CH2)16CO2)3 | Eu(CH3(CH2)16CO2)3 | Gd(CH3(CH2)16CO2)3 | Tb  | Dy(CH3(CH2)16CO2)3 | Ho(CH3(CH2)16CO2)3 | Er  | Tm  | Yb(CH3(CH2)16CO2)3
**  | Ac(CH3(CH2)16CO2)3 | Th(CH3(CH2)16CO2)4 | Pa  | UO2(CH3(CH2)16CO2)2 | Np  | Pu  | Am  | Cm  | Bk  | Cf  | Es  | Fm  | Md  | No

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