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2-Ethylbutyric acid

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2-Ethylbutyric acid Basic information

Product Name:
2-Ethylbutyric acid
Synonyms:
  • (C2H5)2CHCOOH
  • 2-ethyl-butanoicaci
  • 2-Ethylbutansαure
  • 2-Ethylbuttersαure
  • 2-ethylbutyric
  • 2-ethyl-butyricaci
  • 2-Ethylbutyricaicd
  • 3-Pentanecarboxylic acid
CAS:
88-09-5
MF:
C6H12O2
MW:
116.16
EINECS:
201-796-4
Product Categories:
  • bc0001
Mol File:
88-09-5.mol
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2-Ethylbutyric acid Chemical Properties

Melting point:
-16--13 °C (lit.)
Boiling point:
99-101 °C/18 mmHg (lit.)
Density 
0.92 g/mL at 25 °C (lit.)
vapor pressure 
0.08 mm Hg ( 20 °C)
refractive index 
n20/D 1.413(lit.)
FEMA 
2429 | 2-ETHYLBUTYRIC ACID
Flash point:
190 °F
storage temp. 
Store below +30°C.
solubility 
18g/l
pka
pKa: 4.751(25°C)
form 
clear liquid
color 
Colorless to Almost colorless
Odor
at 10.00 % in propylene glycol. acidic fruity whiskey dry berry
PH
3 (18g/l, H2O, 20℃)
explosive limit
1.4%(V)
Odor Type
acidic
Water Solubility 
18 g/L (20 ºC)
Merck 
14,3110
JECFA Number
257
BRN 
1098634
LogP
1.68
CAS DataBase Reference
88-09-5(CAS DataBase Reference)
NIST Chemistry Reference
Butanoic acid, 2-ethyl-(88-09-5)
EPA Substance Registry System
2-Ethylbutyric acid (88-09-5)
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Safety Information

Hazard Codes 
C,Xn
Risk Statements 
21-36/37/38-34
Safety Statements 
26-36/37/39-45-36
RIDADR 
UN 2810 6.1/PG 3
WGK Germany 
1
RTECS 
ET1400000
Autoignition Temperature
345 °C
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
29159080
Toxicity
LD50 orally in Rabbit: 2200 mg/kg LD50 dermal Rabbit 478 mg/kg

MSDS

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2-Ethylbutyric acid Usage And Synthesis

Chemical Properties

clear colorless to light yellow liquid

Chemical Properties

2-Ethylbutyric acid has a rancid, oily-fruity, acidulous odor

Occurrence

Reported found in guava fruit, wheaten bread and cheeses (Parmesan, blue, cheddar, provolone, Romano and goat), apple, banana, grape, melon, papaya, peach, pineapple and more.

Uses

2-Ethylbutyric acid is used as the internal standard for determining volatile fatty acids (VFAs) in wastewater from the constructed wetlands. It is used in the determination of both free and fatty acids in milk and milk products by HPLC method with direct derivatisation.

Uses

2-Ethylbutyric Acid is a flavoring agent that is a clear liquid, color- less, with a rancid odor. it is miscible in alcohol and ether, sparingly soluble in water, and is obtained by chemical synthesis.

Uses

Ester formation; intermediate for drugs, dyestuffs, chemicals; flavoring.

Preparation

By catalytic oxidation of diethylacetaldehyde or by decarboxylation of diethylmalonic acid.

Definition

ChEBI: 2-Ethylbutanoic acid is a branched-chain fatty acid.

Aroma threshold values

Detection: 15 to 600 ppb

Taste threshold values

Taste characteristics at 35 ppm: acidic, fruity, tropical with a creamy aftertaste.

Safety Profile

Moderately toxic by ingestion and skin contact. An irritant to skin and mucous membranes. A severe eye irritant. See also ESTERS. Narcotic in high concentrations. Flammable liquid. To fight fire, use CO2, dry chemical, alcohol foam. When heated to decomposition it emits acrid smoke and fumes.

2-Ethylbutyric acid Preparation Products And Raw materials

Raw materials

Preparation Products

2-Ethylbutyric acid Supplier

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