CAS number： 57-11-4
Molecular formula： C18H36O2
molecular weight： 284.48
Chemical structure：
| Product name | Stearic Acid | |
| Shelf life | Two years | |
| Inspection Standard | USP35 | |
| Items | Specifications | Results |
| Description | White or almost white, waxy, flaky crystals, white or almost white hard masses, or white or yellowish-white powder | White powder |
| Freezing point | 53-59℃ | 55.6℃ |
| Identification-B | Acid value: 194-212 | 209.3 |
| Solubility | Practically insoluble in water, soluble in ethanol(96 percent) and in light petroleum (50-75℃) | Conform |
| Identification-A | Meet the requirements | Conform |
| Acidity | Meet the requirements | Conform |
| Iodine value (gI2/100g) | ≤4.0 | 0.12 |
| Heavy Metals | ≤10 ppm | ＜10 ppm |
| Residue on ignition | ≤0.1% | 0.02% |
| Stearic Acid | 40.0%-60.0% | 42.2% |
| Stearic Acid & Palmitic acid | ≥90.0% | 99.1% |
| Conclusion | Conform | |
