Octanoic acid CAS# 124-07-2

Octanoic acid, Promotion Season Now in Store and Free Sample for Testing with Factory Price
  • Appearance: Clear colorless to yellow.
  • Assay: 99%min.
  • Packaging: 180kg/plastic drum.
  • Sample: Available.

Quality Control of Octanoic acid

Chemical Structure
Packing of Octanoic acid

Description of Octanoic acid

Caprylic acid is the common name for the eight-carbon saturated fatty acid known by the systematic name octanoic acid. Its compounds are found naturally in the milk of various mammals, and as a minor constituent of coconut oil and palm kernel oil. It is an oily liquid that is minimally soluble in water with a slightly unpleasant rancid-like smell and taste.
Two other acids are named after goats: caproic (C6) and capric (C10). Along with caprylic acid these total 15% in goat milk fat.

Basic Info of Octanoic acid

Basic Info

Chemical Name

octanoic acid


Octylic acid;heptane-7-carboxylic acid;n-Octanoic Acid;Octocapric Acid;OCTANOIC ACID/CAPRYLIC ACID;Expand



Molecular Formula


Molecular Weight







Safety Info



Hazard Class


Safety Statements


HS Code


Packing Group


WGK Germany



UN 3265

Risk Statements


Hazard Codes




Hazard Declaration


Caution Statement

P260; P280; P303 + P361 + P353; P304 + P340 + P310; P305 + P351 + P338

Signal Word




Appearance & Physical State

Light yellow Characteristic Liquid



Boiling Point


Melting Point


Flash Point


Refractive Index


Water Solubility

0.68 g/L (20 ºC)


Stable. Incompatible with bases, reducing agents, oxidizing agents. Flammable.

Vapor Density

5 (vs air)

Vapor Pressure

1 mm Hg ( 78 °C)


Numbering system

EINECS number


RTECS number


PubChem number


MDL number


BRN number



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What is Octanoic acid?

With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Octanoic acid which has developed particularly rapidly in recent years. Do you know about Octanoic acid?


The official answer: Oaprylic acid is an organic substance with the chemical formula C8H16O2, an eight-carbon straight-chain carboxylic acid. It is a colorless oily liquid that cures into flaky crystals after cooling, with a slightly unpleasant odor and a fruity aroma after dilution. It has the property of being slightly soluble in cold water and soluble in hot water and most organic solvents such as ethanol and ether. Natural products exist in nutmeg, lemongrass, apple, coconut oil, wine, hops, etc.

What’s the application of Octanoic acid?

The natural product is found in nutmeg, lemongrass, apple, coconut oil, wine, hops, etc. Octanoic acid can be obtained from coconut oil by fractional distillation of volatile fatty acids. The industrial production of octanoic acid is based on octanal as raw material, which is prepared in the laboratory by heating n-methylmalonic acid to release carbon dioxide and reducing the pressure to 4~6.65kPa to make the reaction complete. Finally, the reaction product is distilled under reduced pressure and the 127-129°C (2.13kPa) fraction is collected as octanoic acid. The yield is 80~85%. Octanoic acid can be produced from the reaction of 1-octene and peracetic acid. There is also the oxidative dehydrogenation of n-octanol.

Commonly used in baked goods, meat products, and fast food. It can be used in O/W and W/O creams, O/W lotions, skin and bath oils, fat-rich capsule baths, shampoos, lip balms, and other stick products and make-ups with high alcohol content, aerosol products. It is used in the manufacture of dyes, drugs, spices, etc. It is an edible spice permitted under GB 2760-86. It is also used as a plasticizer, lubricant, insecticide, mold inhibitor, rust inhibitor, corrosion inhibitor, foaming agent, defoamer, etc. It is also used for ore separation.


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