Zinc Stearate
|
Product Id：
|
11315113216 |
|
Products Name：
|
Zinc Stearate | |
|
CAS NO：
|
||
|
Product category：
|
Emulsifier | |
|
Remarks：
|
[Synonyms]: zinc octadecanoate; zinc stearate/zinc distearate; octadecanoic acid - zinc
(2:1)
[CAS RN.]: 557-05-1
[EINECS]: 209-151-9
[Molecular Weight]: 632.3635
[Molecular Formula]: C36H70O4Zn
[Melting Point(℃)]: 118-128℃
[Boiling Point(℃)]: 359.4°C at 760 mmHg
[Flash Point(℃)]: 162.4°C
Physical and Chemical Properties: white fine powder, soapy, non-toxic, specific gravity of 1.095,
insoluble in water, but soluble in organic solvent like hot ethanol, benzene and turpentine etc. It will
absorb moisture in air and decompound into stearate and zinc when meeting strong acid.
|
Test items
|
Specification(USP29)
|
|
ZnO
|
12.5-14
|
|
Alkali and alkali earth
|
≤1.0%
|
|
Arsenic
|
≤1.5ppm
|
|
Lead
|
≤0.001%
|
|
Organic volatile impurities
|
conform
|
|
Test items
|
Specification (BP2000)
|
|
Fat acid
|
195-210
|
|
Melting point
|
119-1230C
|
|
Density (kg/L)
|
0.20-0.28
|
|
Not through 325mesh
|
≤0.5%
|
|
Moisture
|
≤2%
|
|
Zn
|
10-12
|
|
Chloride
|
≤250ppm
|
|
Sulfates
|
≤0.6%
|
|
Cadmium
|
≤5ppm
|
|
Lead
|
≤25ppm
|
|
Acidity and alkali
|
conform
|
