Octanoic acid
SIGMA/C2875 - ≥99%
Synonym: Acid C8; Caprylic acid
CAS Number: 124-07-2
Empirical Formula (Hill Notation): C8H16O2
Molecular Weight: 144.21
EC Number: 204-677-5
MDL Number: MFCD00004429
Linear Formula: CH3(CH2)6COOH
Product Type: Chemical
| assay | ≥99% |
| biological source | Elaeis guineensis |
| bp | 237 °C (lit.) |
| density | 0.91 g/mL at 25 °C (lit.) |
| form | liquid |
| functional group | carboxylic acid |
| InChI | 1S/C8H16O2/c1-2-3-4-5-6-7 |
| InChI key | WWZKQHOCKIZLMA-UHFFFAOYSA |
| lipid type | saturated FAs |
| mp | 15-17 °C (lit.) |
| Quality Level | 100 ![]() |
| refractive index | n |
| SMILES string | CCCCCCCC(O)=O |
| storage temp. | room temp |
| vapor density | 5 (vs air) |
| vapor pressure | 1 mmHg ( 78 °C) |
| Application: | Octanoic acid has been used: • as a precipitating agent for the purification of antibodies(2)(4) • to accelerate β-oxidation for the formation of acetyl-coA akin • to increase the rate of astrocyte ketogenesis • in chemical 1,1′-carbonyldiimidazole (CDI) coupling of carboxylic acids to coenzyme A (CoA) |
| General description: | Octanoic acid is an eight carbon fatty acid, which is found in palm, coconut oil and milk. It is used to treat candidiasis and bacterial infections. Octanoic acid has antibacterial and antifungal properties. It is used in nutritional supplementation. |
| Other Notes: | 2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research ![]() |
| Packaging: | 1 L in glass bottle |
| Packaging: | 10, 100, 500 mL in glass bottle |
| Symbol | GHS05 |
| Signal word | Danger |
| Hazard statements | H314 - H412 |
| Precautionary statements | P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363 |
| Hazard Codes | C |
| Risk Statements | 34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 3265 8 / PGIII |
| WGK Germany | WGK 1 |
| Flash Point(F) | > 230.0 °F - closed cup |
| Flash Point(C) | > 110 °C - closed cup |
| Purity | ≥99% |
| bp | 237 °C (lit.) |
| mp | 15-17 °C (lit.) |
| Density | 0.91 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| Storage Temp. | room temp |
| UNSPSC | 12352211 |


