Functional Roles
Industries Served
Physical Properties
melting_point
156.7 u00b0F (NTP, 1992)
boiling_point
721 u00b0F at 760 mmHg (NTP, 1992)
density
0.86 at 68 u00b0F (USCG, 1999) - Less dense than water; will float
solubility
1 to 10 mg/mL at 73 u00b0F (NTP, 1992)
vapor_pressure
1 mmHg at 344.7 u00b0F ; 5 mmHg at 408.2 u00b0F (NTP, 1992)
flash_point
385 u00b0F (NTP, 1992)
GHS / SDS Safety
Danger
Environmental Hazard
Irritant
Acute Toxic
- H400 (100%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
- H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]
- H315 (25.1%): Causes skin irritation [Warning Skin corrosion/irritation]
Chemical Identity
| CAS Number | 57-11-4 |
| IUPAC Name | octadecanoic acid |
| InChI Key | QIQXTHQIDYTFRH-UHFFFAOYSA-N |
| PubChem CID | 5281 |
| INCI Name | STEARIC ACID |
Synonyms & Trade Names
Full Description
A saturated fatty acid used for its emulsifying and surfactant properties in formulations.