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Sodium stearate
Items: SF-034
Products name: Sodium stearate
Specification: Industrial, food grade, USP-29
CAS No.: 822-16-2
1. Product Introduction
Name: Sodium stearate
Molecular formula: C18H35NaO2
CAS No.: 822-16-2
EINECS No.:212-490-5
It is white powder with fatty odor, greasy to touch, soluble in hot water and ethanol.
2. Specification
(1) Industrial grade
| Test items | Specification |
| acid value of fatty acid | 196-211 |
| Iodine value of fatty acid | ≤1.0 |
| Acidity | 0.28%-1.2% |
| Loss on drying | ≤5.0% |
| Assay | ≥99.5% |
| Particle size | 200≥99% (≥99% through 200mesh) |
(2) food grade
Operative norm: Enterprise Standard: Q/HLX002-2007
| Test items | Specification |
| Characters | White powder, little odor, no impurities |
| Acid value | 196-211 |
| Acidity | 0.28%-1.2% |
| Iodine (fatty acid) | ≤4.0% |
| Arsenic | ≤3mg/kg |
| Heavy metals | ≤0.0015% |
| Loss on drying | ≤4.0% |
| Assay(dry) | ≥98.0% |
(3) pharmaceutical grade
Operative Norm: USP29-NF24
| Test items | Specification |
| PH (fatty acid) | 196-211 |
| Iodine (fatty acid) | ≤4.0% |
| Acidity | 0.28%-1.2% |
| Loss on drying | ≤5.0% |
| Organic volatile impurities | conform |
| Heavy metals | ≤0.0005% |
| Stearic acid | ≥40.0% |
| Stearic acid and palmitic acid | ≥90.0% |
It is widely used in medicine, food, cosmetics and plastic etc, used as emulsifier, dispersant, bond, anti-corrode resistance.
3. Package and Storage:
Packing: 25kgs/bag
Storage: Tightly sealed in a clean, cool, dry area, keep away from strong, direct light.