2-Ethylhexanoic acid , >99.0%(GC) , 149-57-5

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

CAS NO.：149-57-5

Empirical Formula: C8H16O2

Molecular Weight: 144.21

MDL number: MFCD00002675

EINECS: 205-743-6

PRODUCT Properties

• 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
• 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)

Description and Uses

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.

Safety

• 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