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2-Ethylbutyric acid  Structure

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)
JECFA Number 257
Merck  14,3110
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)

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

Usage And Synthesis

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