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Hexanoic acid

Description References
Hexanoic acid
Hexanoic acid structure
CAS No.
142-62-1
Chemical Name:
Hexanoic acid
Synonyms
C6;NA-1706;acid c-6;FEMA 2559;N-CAPROATE;hexacid698;Hexansαure;HEXOIC ACID;Capronsαure;Hexacid 698
CBNumber:
CB3224164
Molecular Formula:
C6H12O2
Formula Weight:
116.16
MOL File:
142-62-1.mol

Hexanoic acid Properties

Melting point:
−4 °C(lit.)
Boiling point:
202-203 °C(lit.)
Density 
0.927 g/mL at 25 °C(lit.)
vapor density 
4 (vs air)
vapor pressure 
0.18 mm Hg ( 20 °C)
refractive index 
n20/D 1.4161(lit.)
FEMA 
2559 | HEXANOIC ACID
Flash point:
220 °F
storage temp. 
Store below +30°C.
solubility 
water: slightly soluble1.082g/100g(lit.)
pka
4.85(at 25℃)
form 
Liquid
Specific Gravity
0.929 (20/4℃)
color 
Clear colorless to light yellow
PH
4 (1g/l, H2O, 20℃)
Water Solubility 
1.1 g/100 mL (20 ºC)
Merck 
14,1759
JECFA Number
93
BRN 
773837
Stability:
Stable. Incompatible with bases, reducing agents and oxidizing agents. Flammable.
InChIKey
FUZZWVXGSFPDMH-UHFFFAOYSA-N
CAS DataBase Reference
142-62-1(CAS DataBase Reference)
NIST Chemistry Reference
Hexanoic acid(142-62-1)
EPA Substance Registry System
Hexanoic acid(142-62-1)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
  • NFPA
Hazard Codes  C,Xi
Risk Statements  34-21-20/21/22
Safety Statements  26-36/37/39-45-25
RIDADR  UN 2829 8/PG 3
WGK Germany  1
RTECS  MO5250000
13
Autoignition Temperature 380 °C
Hazard Note  Irritant
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  29159000
Hazardous Substances Data 142-62-1(Hazardous Substances Data)
Toxicity LD50 orally in rats: 3.0 g/kg (Smyth, Carpenter)
Symbol(GHS):
Signal word: Danger
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
H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, 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
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501
Precautionary statements:
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

NFPA 704

Diamond Hazard Value Description
1
3 0
Health   3 Short exposure could cause serious temporary or moderate residual injury (e.g. liquid hydrogen, sulfuric acid, calcium hypochlorite, hexafluorosilicic acid)
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)
Special  

(NFPA, 2010)

Hexanoic acid price More Price(23)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 153745 Hexanoic acid ≥99% 142-62-1 2.5g $12.6 2018-11-13 Buy
Sigma-Aldrich 153745 Hexanoic acid ≥99% 142-62-1 100g $29.5 2018-11-13 Buy
TCI Chemical H0105 Hexanoic Acid >98.0%(GC)(T) 142-62-1 25mL $14 2018-11-22 Buy
TCI Chemical H0105 Hexanoic Acid >98.0%(GC)(T) 142-62-1 500mL $31 2018-11-22 Buy
Alfa Aesar A13789 Hexanoic acid, 98+% 142-62-1 500ml $32 2018-11-13 Buy

Hexanoic acid Chemical Properties,Uses,Production

Description

Hexanoic acid (also known as Caproci acid, general formula: C5H11COOH) belongs to a kind of saturated medium-chain fatty acid derived from hexane with an unpleasant odor. It is a colorless oily liquid naturally existing in various plant and animal fats and oils. One of its major applications is for the manufacturing of its esters for being artificial flavors. It is also important for the manufacturing of hexyl derivatives such as hexylphenols. Hexanoic acid belongs to medium chain triglycerides (MCT) that are widely used as a nutrition supplement that added to foods, drugs and cosmetics.

References

https://pubchem.ncbi.nlm.nih.gov/compound/hexanoic_acid#section=Toxicological-Information
https://en.wikipedia.org/wiki/Hexanoic_acid

Description

Hexanoic acid (caproic acid), is the carboxylic acid derived from hexane with the general formula C5H11COOH. It is a colorless oily liquid with an odor that is fatty, cheesy, waxy, and like that of goats or other barnyard animals. It is a fatty acid found naturally in various animal fats and oils, and is one of the chemicals that give the decomposing fleshy seed coat of the ginkgo its characteristic unpleasant odor. The primary use of hexanoic acid is in the manufacture of its esters for artificial flavors, and in the manufacture of hexyl derivatives, such as hexylphenols.
The salts and esters of this acid are known as hexanoates or caproates.
Two other acids are named after goats: caprylic (C8) and capric (C10). Along with hexanoic acid, these total 15% in goat milk fat. Caproic, caprylic, and capric acids (capric is a crystal- or waxlike substance, whereas the other two are mobile liquids) are not only used for the formation of esters, but also commonly used "neat" in: butter, milk, cream, strawberry, bread, beer, nut, and other flavors.

Chemical Properties

Hexanoic acid has an unpleasant odor reminiscent of copra oil and it exhibits an acrid taste. Hexanoic acid may be prepared by fractionation of the volatile fatty acids of coconut oil.

Chemical Properties

Hexanoic acid has a sickening, sweaty, rancid, sour, sharp, pungent, cheesy, fatty, unpleasant odor reminiscent of copra oil. It exhibits an acrid taste

Chemical Properties

colourless liquid

Occurrence

A secondary product of butyric fermentation; reported found in the essential oils of lavender, camphor, palmarosa, lemongrass and Juniperus phoenicea; in a few fruital aromas: apple, currant and strawberry; also identified among the constituents of petitgrain lime oil. Also reported found in apple, lemon and orange juice, berries, guava, raisin, papaya, peach, pineapple, cooked potato, pepper, breads, cheeses, butter, milk, fish, meats, hop oil, beer, whiskies, rum, brandy, grape wines, coffee, cocoa, tea, filberts, pecans, peanut oil, coconut meat and oil, soybeans, passion fruit, beans, mushrooms, rice, licorice, corn oil, malt, loquat, sherry, clams, mussels, scallops and other sources

Uses

Intermediates of Liquid Crystals

Uses

manufacture of esters for artificial flavors, and of hexyl derivatives, especially hexylphenols, hexylresorcinol, etc.

Definition

ChEBI: A C6, straight-chain saturated fatty acid.

Preparation

By fractionation of the volatile fatty acids of coconut oil

Definition

An oily carboxylic acid found (as glycerides) in cow’s milk and some vegetable oils.

Aroma threshold values

Detection: 93 ppb to 10 ppm

General Description

A white crystalline solid or colorless to light yellow solution with an unpleasant odor. Insoluble to slightly soluble in water and less dense than water. Contact may severely irritate skin, eyes and mucous membranes. May be toxic by ingestion, inhalation and skin absorption. Used to make perfumes.

Air & Water Reactions

Slightly water soluble.

Reactivity Profile

Hexanoic 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 Hexanoic 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. Hexanoic acid reacts with bases, oxidizing agents and reducing agents.

Hazard

Strong irritant to tissue.

Health Hazard

Harmful if swallowed, inhaled, or absorbed through skin. Material is extremely destructive to tissue 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 and bronchia, chemical pneumonitis and pulmonary edema. Symptoms of exposure may include burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea and vomiting.

Fire Hazard

Special Hazards of Combustion Products: Irritating vapor may be generated.

Purification Methods

Dry the acid with MgSO4 and fractionally distil it from CaSO4. [Beilstein 2 IV 917.]

Hexanoic acid Preparation Products And Raw materials

Raw materials

Preparation Products


Hexanoic acid Suppliers

Global( 256)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Shenzhen Sendi Biotechnology Co.Ltd.
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View Lastest Price from Hexanoic acid manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-12-17 Hexanoic acid
142-62-1
US $1.00 / kg 1kg 99% 100KG career henan chemical co

Hexanoic acid Spectrum


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