Octanoic acid
Octanoic acid (CAS: 124-07-2), with the linear formula CH3(CH2)6COOH and a molecular weight of 144.21 g/mol, is a saturated fatty acid. Also known as caprylic acid, it is a key organic building block found naturally in various plant and animal fats. Octanoic acid serves as a versatile intermediate in chemical synthesis and is utilized in diverse biochemical and industrial applications, contributing to its importance in research and manufacturing.
- IUPAC
- Acid C8,Caprylic acid
- Synonyms
- Caprylic acidCapric acidn-Octanoic acidn-Octoic acidn-Caprylic acidn-Caprinic acidOctoic acidCaprinic acidOctanoic acidCaprolic acidC8:0Caprylic acid, 98%

Chemical Synthesis
Octanoic acid is a valuable intermediate in organic synthesis, used in the production of esters, amides, and other derivatives. Its reactivity as a carboxylic acid makes it a fundamental building block for more complex molecules.
Biochemical Research
As a C8 fatty acid, it plays a role in cellular metabolism and is used in biochemical research related to lipid studies and cell biology. It is also found in natural sources like Curcuma longa and Elettaria Cardamomum.
Industrial Applications
Octanoic acid finds use in various industrial sectors, including the formulation of certain lubricants, plasticizers, and as a component in antimicrobial agents due to its fatty acid properties.
| Molecular weight | 144.21 |
|---|---|
| Linear formula | CH3(CH2)6COOH |
| Assay | ≥98% |
| Grade | purum |
| Boiling point | 237 °C(lit.) |
| Density | 0.91 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.428(lit.) |
| Melting point | 15-17 °C(lit.) |
| Vapour pressure | 1 mmHg (78 °C) |
| Vapour density | 5 (vs air) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | >110 °C / >230 °F |
| Transport (UN / ADR) | UN 3265 8 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Octanoic acid used for?
+
Octanoic acid is used in chemical synthesis as an intermediate, in biochemical research, and in various industrial applications such as lubricants and antimicrobial agents.
What are the CAS number and formula for Octanoic acid?
+
The CAS number for Octanoic acid is 124-07-2, and its linear formula is CH3(CH2)6COOH.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Octanoic acid with a purity of ≥98% (purum grade). We do not represent this product as USP, BP, or EP grade unless explicitly stated.
How should Octanoic acid be handled safely?
+
Octanoic acid is classified as corrosive (Danger, H314). Handling requires appropriate personal protective equipment, including full-face protection, chemical-resistant gloves, and eye protection. Always consult the Safety Data Sheet for detailed handling procedures.
Is Octanoic acid a controlled substance?
+
The provided data does not indicate that Octanoic acid (CAS: 124-07-2) is a controlled substance.
How is Octanoic acid packed and shipped by TSS?
+
Tech Serve Solutions exports and supplies Octanoic acid according to international shipping regulations, ensuring safe and compliant packaging for global distribution.
How can I request a sample or quote for Octanoic acid?
+
To request a sample or a quote for Octanoic acid, please contact our sales team through the details provided on the Tech Serve Solutions website.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis