Cadmium stearate

Names
IUPAC name

Cadmium dioctadecanoate

Other names

Cadmium distearate; Cadmium(II) stearate; Cadmium(II) dioctadecanoate

Identifiers

CAS Number

* 2223-93-0 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 15818

EC Number |

* 218-743-6

PubChem CID

* 16681

UNII |

* GBI2ILV46J Y

InChI

* InChI=1S/2C18H36O2.Cd/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

SMILES

* [Cd+2].[O-]C(=O)CCCCCCCCCCCCCCCCC.[O-]C(=O)CCCCCCCCCCCCCCCCC

Properties

Chemical formula

| C36H70CdO4
Molar mass | 679.366 g·mol−1
Appearance  | White powder
Density | 1.80 g/cm3
Melting point |  134 °C (273 °F; 407 K)
Hazards
NFPA 704 (fire diamond)  |

NIOSH (US health exposure limits):

PEL (Permissible)

| [1910.1027] TWA 0.005 mg/m3 (as Cd)[1]

REL (Recommended)

| Ca[1]

IDLH (Immediate danger)

| Ca [9 mg/m3 (as Cd)][1]

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

Infobox references

Tracking categories (test):

* SizeSet

Cadmium stearate is a salt with the formula Cd(O2CC17H35)2. Classified as a metallic soap, this a white solid is used as a lubricant and as a heat- and light-stabilizer in polyvinyl chloride. The use of cadmium stearate is being phased out because of its toxicity.

## Synthesis

The compound is produced by the reaction of cadmium chloride with sodium stearate or heating stearic acid and cadmium oxide or hydroxide.[2] Also, an exchange reaction between cadmium sulfate and sodium stearate:

CdSO4+2NaC18H35O2 → Cd(C18H35O2)2↓+Na2SO4

## Safety

Like other cadmium compounds, cadmium stearate is toxic.[3] Cadmium stearate is also carcinogen.[4]

## References

1. ↑ 1.0 1.1 1.2 NIOSH Pocket Guide to Chemical Hazards. "#0087". National Institute for Occupational Safety and Health (NIOSH). https://www.cdc.gov/niosh/npg/npgd0087.html.
2. ↑ Nora, Angelo; Szczepanek, Alfred; Koenen, Gunther (2001). "Ullmann's Encyclopedia of Industrial Chemistry". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a16_361.
3. ↑ 40 C.F.R.: Appendix A to Part 355—The List of Extremely Hazardous Substances and Their Threshold Planning Quantities (July 1, 2008 ed.). Government Printing Office. http://edocket.access.gpo.gov/cfr_2008/julqtr/pdf/40cfr355AppA.pdf. Retrieved October 29, 2011.
4. ↑ Cadmium stearate. MSDS

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Cadmium compounds

Cadmium(I)|

* Cd2(AlCl4)2

Cadmium(II)|

* Cd(BF4)2
* CdF2
* CdCl2
* CdBr2
* CdI2
* Cd(CN)2
* CdH2
* CdO
* CdS
* CdSe
* CdTe
* Cd(OH)2
* Cd(NO3)2
* CdSO4
* CdWO4
* Cd3As2
* CsCdCl3
* CsCdBr3

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