Stearic acid is a white solid with a mild odor. Floats on water. (USCG, 1999)
Irritant
⚠️ For information only; not a substitute for the official Safety Data Sheet (SDS).
Stearic acid is a white solid with a mild odor. Floats on water. (USCG, 1999)
| Physical Description | Stearic acid is a white solid with a mild odor. Floats on water. (USCG, 1999) |
| Color/Form | Monoclinic leaflets from alcohol |
| Odor | Slight odor suggesting tallow |
| Melting Point | 156.7 °F (NTP, 1992) |
| Boiling Point | 721 °F at 760 mmHg (NTP, 1992) |
| Flash Point | 385 °F (NTP, 1992) |
| Density | 0.86 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Solubility | 1 to 10 mg/mL at 73 °F (NTP, 1992) |
| Vapor Pressure | 1 mmHg at 344.7 °F ; 5 mmHg at 408.2 °F (NTP, 1992) |
| Refractive Index | Index of refraction: 1.4299 at 80 °C |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| IUPAC Name | octadecanoic acid |
| Molecular Formula | C18H36O2 |
| Molecular Weight | 284.5 g/mol |
| CAS | 57-11-4 |
| SMILES | CCCCCCCCCCCCCCCCCC(=O)O |
| InChIKey | QIQXTHQIDYTFRH-UHFFFAOYSA-N |
| Catalog No | KC.1910331 |
| Pack sizes | 500GM |
⚠️ For information only; not a substitute for the official SDS.