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2-Ethylhexanoic acid

2-Ethylhexanoic acid
2-Ethylhexanoic acid structure
Chemical Name:
2-Ethylhexanoic acid
2-Ethylhexanoi;2-ethylhexanoic;Ethylhexoic acid;Neodymoctic acid;2-Ethylhexansαure;2-ethyl-hexansyra;Ethylhexanoic aci;CAPRYLIC ACID(SG);Ethylhexanoic acid;α-Ethylcaproicacid
Molecular Formula:
Formula Weight:
MOL File:

2-Ethylhexanoic acid Properties

Melting point:
-59 °C
Boiling point:
228 °C(lit.)
vapor density 
4.98 (vs air)
vapor pressure 
<0.01 mm Hg ( 20 °C)
refractive index 
n20/D 1.425(lit.)
Flash point:
230 °F
storage temp. 
room temp
pK1:4.895 (25°C)
3 (1.4g/l, H2O, 20℃)
explosive limit
1.04%, 135°F
Water Solubility 
2 g/L (20 ºC)
Stable. Combustible. Incompatible with strong oxidizing agents, reducing agents, bases.
CAS DataBase Reference
149-57-5(CAS DataBase Reference)
NIST Chemistry Reference
Hexanoic acid, 2-ethyl-(149-57-5)
EPA Substance Registry System
Hexanoic acid, 2-ethyl-(149-57-5)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
  • NFPA
Hazard Codes  Xn
Risk Statements  63-41-37/38-20/21/22
Safety Statements  36/37-36/37/39-26-2
RIDADR  UN 3265 8/PG 2
WGK Germany  1
RTECS  MO7700000
Autoignition Temperature 699 °F
HazardClass  8
PackingGroup  III
HS Code  29159080
Hazardous Substances Data 149-57-5(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 3640 mg/kg LD50 dermal Rabbit > 2000 mg/kg
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H290 May be corrosive to metals Corrosive to Metals Category 1 Warning P234, P390, P404
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H312 Harmful in contact with skin Acute toxicity,dermal Category 4 Warning P280,P302+P352, P312, P322, P363,P501
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H360 May damage fertility or the unborn child Reproductive toxicity Category 1A, 1B Danger
H361 Suspected of damaging fertility or the unborn child Reproductive toxicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:
P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read and understood.
P234 Keep only in original container.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P390 Absorb spillage to prevent material damage.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P405 Store locked up.
P406 Store in corrosive resistant/… container with a resistant inner liner.
P501 Dispose of contents/container to..…

NFPA 704

Diamond Hazard Value Description
Flammability   1 Materials that require considerable preheating, under all ambient temperature conditions, before ignition and combustion can occur. Includes some finely divided suspended solids that do not require heating before ignition can occur. Flash point at or above 93.3 °C (200 °F). (e.g. mineral oil, ammonia)
Instability   0 Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2)

(NFPA, 2010)

2-Ethylhexanoic acid price More Price(19)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 02529 2-Ethylhexanoic acid analytical standard 149-57-5 1ml-f $16.5 2018-11-13 Buy
Sigma-Aldrich 02529 2-Ethylhexanoic acid analytical standard 149-57-5 5ml-f $53 2018-11-13 Buy
TCI Chemical E0120 2-Ethylhexanoic Acid >99.0%(GC) 149-57-5 25mL $15 2018-11-22 Buy
TCI Chemical E0120 2-Ethylhexanoic Acid >99.0%(GC) 149-57-5 500mL $18 2018-11-22 Buy
Alfa Aesar A12644 2-Ethylhexanoic acid, 99% 149-57-5 100ml $20.9 2018-11-13 Buy

2-Ethylhexanoic acid Chemical Properties,Uses,Production

Chemical Properties

colourless liquid


Paint and varnish driers (metallic salts). Ethylhexoates of light metals are used to convert some mineral oils to greases. Its esters are used as plasticizers.

General Description

2-Ethylhexanoic acid is a colorless to light yellow liquid with a mild odor. 2-Ethylhexanoic acid will burn though 2-Ethylhexanoic acid may take some effort to ignite. 2-Ethylhexanoic acid is slightly soluble in water. 2-Ethylhexanoic acid is corrosive to metals and tissue. 2-Ethylhexanoic acid is used to make paint dryers and plasticizers.

Reactivity Profile

2-Ethylhexanoic acid is a carboxylic acid. Carboxylic acids donate hydrogen ions if a base is present to accept them. They react in this way with all bases, both organic (for example, the amines) and inorganic. Their reactions with bases, called "neutralizations", are accompanied by the evolution of substantial amounts of heat. Neutralization between an acid and a base produces water plus a salt. Carboxylic acids with six or fewer carbon atoms are freely or moderately soluble in water; those with more than six carbons are slightly soluble in water. Soluble carboxylic acid dissociate to an extent in water to yield hydrogen ions. The pH of solutions of carboxylic acids is therefore less than 7.0. Many insoluble carboxylic acids react rapidly with aqueous solutions containing a chemical base and dissolve as the neutralization generates a soluble salt. Carboxylic acids in aqueous solution and liquid or molten carboxylic acids can react with active metals to form gaseous hydrogen and a metal salt. Such reactions occur in principle for solid carboxylic acids as well, but are slow if the solid acid remains dry. Even "insoluble" carboxylic acids may absorb enough water from the air and dissolve sufficiently in 2-Ethylhexanoic acid to corrode or dissolve iron, steel, and aluminum parts and containers. Carboxylic acids, like other acids, react with cyanide salts to generate gaseous hydrogen cyanide. The reaction is slower for dry, solid carboxylic acids. Insoluble carboxylic acids react with solutions of cyanides to cause the release of gaseous hydrogen cyanide. Flammable and/or toxic gases and heat are generated by the reaction of carboxylic acids with diazo compounds, dithiocarbamates, isocyanates, mercaptans, nitrides, and sulfides. Carboxylic acids, especially in aqueous solution, also react with sulfites, nitrites, thiosulfates (to give H2S and SO3), dithionites (SO2), to generate flammable and/or toxic gases and heat. Their reaction with carbonates and bicarbonates generates a harmless gas (carbon dioxide) but still heat. Like other organic compounds, carboxylic acids can be oxidized by strong oxidizing agents and reduced by strong reducing agents. These reactions generate heat. A wide variety of products is possible. Like other acids, carboxylic acids may initiate polymerization reactions; like other acids, they often catalyze (increase the rate of) chemical reactions.

Health Hazard

Harmful if swallowed, inhaled or absorbed through skin. Material is extremely destructive to tissues of mucous membranes and upper respiratory tract, eyes and skin. Inhalation may be fatal as a result of spasm, inflammation and edema of the larynx, bronchii, chemical pneumonitis and pulmonary edema. Symptoms of exposure may include burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea and vomiting.

Fire Hazard

2-Ethylhexanoic acid is combustible.

Safety Profile

Moderately toxic by ingestion and skin contact. An experimental teratogen. A skin and severe eye irritant. Combustible when exposed to heat or flame. When heated to decomposition, it emits acrid and irritating fumes.

2-Ethylhexanoic acid Preparation Products And Raw materials

Raw materials

Preparation Products

2-Ethylhexanoic acid Suppliers

Global( 205)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Henan DaKen Chemical CO.,LTD.
+86-371-55531817 CHINA 21990 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693 CHINA 20680 55
Shanghai Time Chemicals CO., Ltd.
+86-021-57951555 CHINA 1367 55
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32457 55
Xiamen AmoyChem Co., Ltd
+86 (0)592-605 1114 CHINA 6374 58
Chemwill Asia Co.,Ltd.
86-21-51861608;;; CHINA 24001 58
career henan chemical co
+86-371-86658258 CHINA 19923 58
Chengdu RunZeBenTu Chemical Co., Ltd 13096311329 028-88469284 qq:616445927
028-88469284 China 2895 50
Tianjin Zhongxin Chemtech Co., Ltd. 86(0)22-89880739
86(0)22-89880739 ext 8030 / 86-22-66880086 China 552 60
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; China 96815 76

View Lastest Price from 2-Ethylhexanoic acid manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-08-04 2-Ethylhexanoic acid
US $1700.00 / KG 1000KG 99% 100T career henan chemical co
2018-07-23 2-Ethylhexanoic acid
US $3000.00 / KG 1KG 99% 100tons career henan chemical co

2-Ethylhexanoic acid Spectrum

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