Zinc stearate 557-05-1

Afco-chem ZNS;Zinc Stearate, Zno;stavinorzn-e;stearatedezinc;Synpro 8;Synpro stearate;Talculin Z;talculinz

Zinc stearate Basic information
Product Name:	Zinc stearate
CAS:	557-05-1
MF:	C36H70O4Zn
MW:	632.33
EINECS:	209-151-9
Mol File:	557-05-1.mol
Zinc stearate Chemical Properties
Melting point	128-130 °C(lit.)
density	1.095g/cm3
Fp	180℃
solubility	alcohol: insoluble(lit.)
form	Powder
color	White
Water Solubility	Insoluble
Merck	1410158
BRN	3919706
Stability:	Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference	557-05-1(CAS DataBase Reference)
NIST Chemistry Reference	Zinc(II) n-octadecanoate(557-05-1)
EPA Substance Registry System	Zinc stearate (557-05-1)

COA

TEST ITEMS	SPECIFICATION	RESULTS
Appearance	A white, very fine, light, powder,greasy to touch	Conform
Identification A	The Test for Zinc	Conform
Identification B	The fatty acids Congealing Temperature≥54℃	55.4℃
Assay %	The content of ZnO :12.5-14%	13.3%
Arsenic	≤1.5ppm	<1.5ppm
Lead	≤10ppm	<10ppm
Alkalies and alkaline earths	≤1.0%	<1.0%
Conclusion:	Conform

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Mass Spectrometry Analysis

GC-MS / LC-MS/MS: Qualitative and Quantitative Analysis
ICP-MS: Trace Metal Elements (ppb Level)
TOF-MS: Precise Molecular Weight Determination

Thermal Analysis Methods

Thermogravimetric Analysis (TGA)
Differential Scanning Calorimetry (DSC)
Differential Thermal Analysis (DTA)