2-Ethylhexaic acid , CP,98.0% , 149-57-5

Synonym(s):
2-Ethylcaproic acid;2-Ethylhexanoic acid;3-Heptanecarboxylic acid, α-Ethylcaproic acid

Update time: 2022-07-08

Melting point:	-59 °C
Boiling point:	228 °C(lit.)
Density	0.906
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.	Store below +30°C.
solubility	1.4g/l
form	Liquid
pka	pK1:4.895 (25°C)
color	Clear
PH	3 (1.4g/l, H2O, 20℃)
Odor	Mild odour
PH Range	3 at 1.4 g/l at 20 °C
explosive limit	1.04%, 135°F
biological source	synthetic
Water Solubility	2 g/L (20 ºC)
BRN	1750468
Exposure limits	ACGIH: TWA 5 mg/m3
Stability:	Stable. Combustible. Incompatible with strong oxidizing agents, reducing agents, bases.
InChIKey	OBETXYAYXDNJHR-UHFFFAOYSA-N
LogP	2.7 at 25℃
CAS DataBase Reference	149-57-5(CAS DataBase Reference)
NIST Chemistry Reference	Hexanoic acid, 2-ethyl-(149-57-5)
EPA Substance Registry System	2-Ethylhexanoic acid (149-57-5)

2-Ethylhexanoic acid can be used:

As a reactant in esterification , decarboxylative alkynylation , and preparation of alkyl coumarins via decarboxylative coupling reactions.
In the organocatalytic medium for the preparation of various 3,4-dihydropyrimidin-2(1H)-ones/thiones by Biginelli reaction.

Symbol(GHS)	GHS08
Signal word	Warning
Hazard statements	H361d
Precautionary statements	P280
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
F	13
Autoignition Temperature	699 °F
TSCA	Yes
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