112-80-1
Product Name:
Oleic acid
Formula:
C18H34O2
Synonyms:
Oleic acid;OlAc;cis-9-Octadecenoic acid;cis-9-Octadecenoic Acid, 18:1;Elainic acid
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Oleic acid is a colorless to pale yellow liquid with a mild odor. Floats on water. (USCG, 1999) |
|---|---|
| Color/Form | Colorless or nearly colorless liq (above 5-7 °C) |
| Odor | PECULIAR LARD-LIKE ODOR |
| Taste | PECULIAR LARD-LIKE TASTE |
| Boiling Point | 547 °F at 100 mmHg (NTP, 1992) |
| Melting Point | 61.3 °F (NTP, 1992) |
| Flash Point | 372 °F (NTP, 1992) |
| Solubility | Insoluble (NTP, 1992) |
| Density | 0.89 at 77 °F (USCG, 1999) - Less dense than water; will float |
| Vapor Pressure | 0.00000055 [mmHg] |
| LogP | log Kow = 7.64 |
| Stability/Shelf Life | ON EXPOSURE TO AIR, ESPECIALLY WHEN IMPURE, IT OXIDIZES & ACQUIRES YELLOW TO BROWN COLOR & RANCID ODOR |
| Autoignition Temperature | 685 °F (USCG, 1999) |
| Decomposition | When heated to decomposition it emits acrid smoke and irritating fumes. |
| Viscosity | 25.6 cP at 30 °C |
| Heat of Combustion | At constant volume; delta Ec = -2.663.9 kcal/mol at 25 °C |
| Heat of Vaporization | 16.1 kcal/mol at boiling |
| Surface Tension | 32.8 dyne/cm at 20 °C; 27.94 dyne/cm at 90 °C; 21.6 dyne/cm at 180 °C |
| Refractive Index | Index of refraction: 1.463 at 18 °C/D; 1.4585 at 26 °C/D |
| Dissociation Constants | pKa = 5.02 in aqueous solution at 25 °C |
| Collision Cross Section | 176.43 Ų [M-H]- [CCS Type: DT; Buffer gas: N2; Sample Type: Human bronchoalveolar lavage fluid (BALF); Dataset: Unambiguous Lipids] |
| Kovats Retention Index | 2113 2171 2116 2152 2175 2090 2098 2180 2180 2091.3 |
| Other Experimental Properties | Iodine number: 89.9; acid value: 198.6; solidification at 4 °C to crystalline mass. On exposure to air, especially when impure, it oxidizes and acquires a yellow to brown color and rancid odor. |
| Chemical Classes | Lipids -> Unambiguous Lipids |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H320:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P321:Specific treatment (see … on this label). P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 282.5 g/mol |
|---|---|
| XLogP3 | 6.5 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 15 |
| Exact Mass | 282.255880323 g/mol |
| Monoisotopic Mass | 282.255880323 g/mol |
| Topological Polar Surface Area | 37.3 Ų |
| Heavy Atom Count | 20 |
| Formal Charge | 0 |
| Complexity | 234 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 1 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Oleic acid is a mono-unsaturated omega-9 fatty acid found in various animal and vegetable sources. It is used as an excipient in pharmaceuticals and as an emulsifying or solubilizing agent in aerosol products.
RELATED SUPPLIERS
Peekay Agencies Private Limited
Kolkata
product:Oleic Acid, Packaging Type: Bottle, Packaging Size: 150 ml

