Nonanoic Acid
Synonyms
n-Nonanoic acid;
Pelargonic acid;
1-Octanecarboxyic acid;
1-Octanecarboxylic acid;
FEMA No. 2784;
Category
Anionic Surfactant
> Carboxylate
>> Chain Carboxylate
>>> Alkyl Carboxylate
>>>> Linear Alkyl Carboxylate
Chemical Numbering System
CAS: 112-05-0
EINECS: 203-931-2
Molecular Formula & Molecular Weight
Molecular Formula: C9H18O2
Molecular Weight: 158.24
Structure
Properties
Appearance (1), colorless oily liquid.
Solubility slightly soluble in water. soluble in ethanol, benzene.
Physical - chemical properties
|
Water solubility, mg/L |
284 (30°C)[1] |
|
Melting point, °C |
12.4[1] |
Stability stable.
Risk Liquid 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 label: 
Animal Toxicity
Table 1 Animal toxicity values
|
mouse intravenous LD50 |
224mg/kg[2] |
|
mouse oral LD50 |
> 5000mg/kg[2] |
|
rat oral LD50 |
> 5000mg/kg[2] |
|
rat skin LD50 |
> 2000mg/kg[2] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent cleansing, emulsifying, dispersing, solubilizing, lubricating abilities. Nonresistant to hard water.
Synthesis
Obtained that oleic acid is oxidized by nitric acid or ozone.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Liquid |
|
|
Actives, %, ≥ |
98.0 |
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
|
Item |
Hazardous substances indexes |
|
Liquid |
|
|
Heavy metals (as Pb), mg/kg, ≤ |
20 |
|
As, mg/kg, ≤ |
3 |
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.
(b), Used in cosmetics, should be test for harmful substances; or furtherly test for microorganisms.
Major Uses
1, Typical applications
Use as cleansing agent.
Use as emulsifying agent, dispersing agent.
2, Household detergents
Use as cleansing agent.
3, Organic synthesis
Widely used in preparation of nonanoic acid esters. Nonanoic acid esters can be used in personal care products, perfume, medicine, etc.
Used in preparation of nonanoic acid salts. Nonanoic acid salts can be used in cleaning products, paints, etc.
4, Personal care products
Use as cleansing agent, emulsifying agent, masking agent, perfume.
5, Pets
Use as cleansing agent, emulsifying agent.
6, Machinery
Lubricant, corrosion inhibitor in metal processing oil.
7, Coatings
Drier in paint.
8, Food
Use as perfume.
Manufacturers
References
[1]: HSDB. 112-05-0, Nonanoic acid
[2]: ChemIDplus. 112-05-0, Nonanoic acid
Update: 20131102(1); 20180220(2);