Potassium Octanoate
Time: 2012-10-03 16:26:21
Potassium Octanoate
Potassium caprylate;
Octanoic acid, potassium salt;
Potassium n-octanoate;
Potassium octanoate;
Caprylic acid, potassium salt;
Anionic Surfactant
>> Carboxylate
>> Chain Carboxylate
>> Alkyl Carboxylate
>> Linear Alkyl Carboxylate
Chemical Numbering System
Molecular Formula & Molecular Weight
Molecular Formula: C8H15KO2; C8H16O2.K
Molecular Weight: 183.31
Appearance    (1), white solid.
Solubility    soluble in water. soluble in ethanol.
Stability    stable.
Risk    Solid form: flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS (Rev.7) label:  
Ecology    may be hazardous to environment. Water body should be given special attention.
Biodegradability    biodegradable.
Characteristics    excellent cleansing, emulsifying, dispersing, solubilizing, lubricating, antimicrobial, antibacterial, preservative, wetting, permeating abilities. Nonresistant to hard water.
Octanoic acid reacts with potassium hydroxide, then obtain.
Quality Standards & Test Methods
1. Physical and chemical indexes
Physical and chemical indexes
Actives, %, ≥
Test Methods
(1), Actives
GB/T 13173 Surface active agents - Detergents - Testing methods
GB/T 5173 Surface active agents and detergents-Determination of anionic-active matter by direct two-phase titration procedure
ISO 2271 Surface active agents -- Detergents -- Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure
2. Hazardous substances indexes
Hazardous substances indexes
Heavy metals (as Pb), mg/Kg, ≤
As, mg/Kg, ≤
Test Methods
(1), Heavy metals (as Pb)
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30799 The test method of food detergents - Determination of heavy metals
(2), As
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30797 The test method of food detergents - Determination of total arsenic
3. Further explanation
(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.
Major Uses
1. Typical applications
Use as cleansing agent.
Use as emulsifying agent, dispersing agent.
Use as preservative.
Use as wetting agent.
2. Household detergents
Use as cleansing agent.
3. Organic synthesis
Catalyst in reaction of hard isocyanate foam.
4. Pets
Use as cleansing agent, emulsifying agent.
Update: 20131102(1); 20180220(2);