Zinc stearate
Date:2021-12-17 Categories:Related Application Product
Post Date: |
Dec 16,2021 |
Expiry Date: |
Dec 16,2022 |
Detailed Description: |
Cas No. :557-05-1
Quantity: 100Metric Tons
Specs:Industrial grade;USP-29;
1. Product Introduction Name:Zinc stearate Molecular formula: C36H70O4Zn CAS No.:557-05-1 EINECS No.:209-151-9 Appearance: white powder
2.Specification (1) Industrial grade,
Test items
|
Specification
|
Appearance
|
(white and fine powder)
|
Assay of Zn
|
10.3%~11.3%
|
Free acid
|
≤1%
|
Loss on drying
|
≤1.0%
|
Melting point
|
120±5℃
|
Particle size
|
99.5% 325(≥99.5% through 325 mesh)
|
(2)Pharmaceutical grade Operative norm: USP29 BP2005
1. USP29
Test items
|
Specification
|
ZnO
|
12.5-14
|
Alkali and alkali earth
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≤1.0%
|
Arsenic
|
≤1.5PPm
|
Lead
|
≤0.001%
|
Organic volatile impurities
|
conform
|
2. BP 2005
Test items
|
Specification
|
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
|
It is used as lubricant, stabilizer, thickener, accelerant etc.
3. Package and Storage: Packing: 20kgs/bag Storage: Tightly sealed in a clean,cool,dry area, keep away from strong, direct light.
|
CAS Registry Number: |
557-05-1
|
Synonyms: |
;zinc octadecanoate;zinc stearate/zinc distearate;octadecanoic acid – zinc (2:1);znst; |
Molecular Formula: |
C36H70O4Zn |
Molecular Weight: |
632.3635 |
Molecular Structure: |
|
Hazard Symbols: |
Xi:Irritant; |
Risk Codes: |
R37:; |
Safety Description: |
S22:; S26:; S36/37/39:; S38:; |