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.