CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Linoleic acid is a colorless to straw colored liquid. A polyunsaturated fatty acid essential to human diet. |
|---|---|
| Color/Form | Colorless oil |
| Boiling Point | 444 to 446 °F at 16 mmHg (NTP, 1992) |
| Melting Point | 23 °F (NTP, 1992) |
| Solubility | Insoluble (NTP, 1992) |
| Density | 0.9007 at 72 °F (NTP, 1992) - Less dense than water; will float |
| Vapor Pressure | 0.00000087 [mmHg] |
| LogP | log Kow = 7.05 |
| Stability/Shelf Life | Easily oxidized by air. |
| Decomposition | When heated to decomposition it emits acrid smoke and irritating fumes. |
| Heat of Combustion | -1.03X10+10 J/kmol |
| Refractive Index | Index of refraction: 1.4715 at 11.5 °C/D, 1.4699 at 20 °C/D, 1.4683 at 21.5 °C/D, 1.4588 at 50 °C/D |
| Dissociation Constants | pKa = 4.77 at 25 °C |
| Collision Cross Section | 175.61 Ų [M-H]- [CCS Type: DT; Buffer gas: N2; Sample Type: Human bronchoalveolar lavage fluid (BALF); Dataset: Unambiguous Lipids] |
| Kovats Retention Index | 2095 2095 2156 2113 2113 2106 2112 2109 2130 2125 2111 2130 2107 2115 2107 2105 2125 2125 |
| Other Experimental Properties | Iodine value: 181.1; thiocyanogen value: 96.7 |
| 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 |
| 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. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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 | 280.4 g/mol |
|---|---|
| XLogP3 | 6.8 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 14 |
| Exact Mass | 280.240230259 g/mol |
| Monoisotopic Mass | 280.240230259 g/mol |
| Topological Polar Surface Area | 37.3 Ų |
| Heavy Atom Count | 20 |
| Formal Charge | 0 |
| Complexity | 267 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 2 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Linoleic acid is a colorless to straw colored liquid. A polyunsaturated fatty acid essential to human diet.