Zinc stearate

SIAL/26423 - purum, 10-12% Zn basis

Synonym: Stearic acid zinc salt

CAS Number: 557-05-1
Empirical Formula (Hill Notation): C₃₆H₇₀O₄Zn
Molecular Weight: 632.33
MDL Number: MFCD00013031
Linear Formula: [CH₃(CH₂)₁₆COO]₂Zn
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-26423-1KG	1 kg	$51.60 1/EA		Add To Favorites
45-26423-10KG	10 kg	$320.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

autoignition temp.	1454 °F
composition	mixture consisting mainly of palmitate (C16) and stearate (C18) salts, 90%
	stearate salt : Minimum, ~40%
concentration	10-12% Zn
grade	purum
ign. residue	12-15%
impurities	≤3.5% free acid (as stearic acid)
InChI	1S/2C18H36O2.Zn/c21-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h22-17H2,1H3,(H,19,20);/q;;+2/p-2
InChI key	XOOUIPVCVHRTMJ-UHFFFAOYSA-L
loss	≤1% loss on drying, 105 °C
mp	128-130 °C (lit.)
Quality Level	100
reaction suitability	core: zinc
	reagent type: catalyst
SMILES string	CCCCCCCCCCCCCCCCCC(=O)O[Zn]OC(=O)CCCCCCCCCCCCCCCCC
solubility	alcohol: insoluble(lit.)
	benzene: soluble(lit.)
	diethyl ether: insoluble(lit.)
	water: insoluble(lit.)

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.

RIDADR	NONH for all modes of transport
WGK Germany	WGK 1
Flash Point(F)	356.0 °F - open cup
Flash Point(C)	180 °C - open cup

mp	128-130 °C (lit.)
UNSPSC	12352100

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