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 | ≤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: |
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Hazard Symbols: |
Xi:Irritant;
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Risk Codes: |
R37:;
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Safety Description: |
S22:; S26:; S36/37/39:; S38:;
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