Molekula
Octanoic acid (Caprylic acid) - USP Grade
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Octanoic acid, also called caprylic acid, is a saturated fatty acid with a distinctive goat-like odor, widely used in pharmaceuticals, food flavoring, and cosmetic formulations for its antimicrobial properties and as a precursor in ester synthesis. This USP-grade chemical meets strict purity standards for human consumption and medical applications. It has a CAS number of 124-07-2, a molecular formula of CH3(CH2)6COOH, and a molecular weight of 144.21 g/mol. Store at ambient conditions, but handle with caution: it carries a Danger signal word because it causes severe skin burns and eye damage (H314, sub cat. 1C) and serious eye damage (H318). Molekula supplies Octanoic acid (Caprylic acid) USP from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear colourless oily liquid or white flakes |
| Refractive Index | 1.425 - 1.428 (@20°C) |
| Grade | USP |
| Solubility | Conforms to USP requirements |
| Assay | ⩾ 99.0% |
| Relative density | 0.908 - 0.913 (@25°C) |
| Heavy Metals (Pb) | ≤ 0.001% |
| Water (KF) | ≤ 0.5% |
| Identification (IR) | Conforms to Reference |
| Arsenic (As) | ≤ 0.0001% |
| Acid Value (mg KOH/g) | 366 - 396mgKOH/g |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90026515 |
| CAS Number | 124-07-2 |
| Molecular Formula | CH3(CH2)6COOH |
| Molecular Weight | 144.21 |
| SMILES | O=C(O)CCCCCCC |
| UN Number | UN3265 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29159018 |
| Tariff Code | 2915907098 |
Safety & GHS
-
Corrosive
GHS05
Hazard statements
- H314 (sub cat. 1C) Causes severe skin burns and eye damage
- H318 Causes serious eye damage
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is octanoic acid (caprylic acid) USP grade commonly used for?
Octanoic acid USP grade is primarily used in pharmaceuticals, food additives (e.g., flavoring agent), and as a precursor for esters in perfumery and cosmetics.
What is the chemical formula and molecular weight of octanoic acid?
The chemical formula is CH₃(CH₂)₆COOH and the molecular weight is 144.21 g/mol.
How should octanoic acid USP grade be stored?
Store at ambient temperature in a tightly sealed container, away from moisture and strong oxidizing agents.
What documentation comes with an order of octanoic acid USP grade?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and USP compliance documentation.
Does Molekula supply octanoic acid in bulk quantities?
Yes, Molekula offers octanoic acid USP grade in bulk, with flexible packaging options (drums, IBCs, or custom solutions).
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.