CAS number
149-57-5

Molecular formula
C8H16O2

SMILES
CCCCC(CC)C(=O)O

Retention indicies (RI)

• DB5: 1129.0

fruity	83.14%
cheesy	71.9%
herbal	62.47%
fatty	56.86%
sour	51.28%
oily	47.9%
sweet	47.5%
earthy	44.62%
dairy	41.04%
musty	38.02%

Scent© AI

XLogP3-AA
2.6 Well soluble in DEP, BB, MMB

Molecular weight
144.21 g/mol

Melting points

• -117 °F (NTP, 1992)
• -59.00 °C. @ 760.00 mm Hg
• -59 °C
• -117 °F

Boiling points

• 442 °F at 760 mmHg (NTP, 1992)
• 228 °C
• 220.00 to 223.00 °C. @ 760.00 mm Hg
• 227 °C
• 442 °F

Flash points

• 260 °F (NTP, 1992)
• 118 °C
• 114 °C (closed cup)
• 245 °F (118 °C) (OPEN CUP)
• 118 °C o.c.
• 260 °F

Solubilities

• less than 1 mg/mL at 84 °F (NTP, 1992)
• Soluble in ethyl ether, carbon tetrachloride; slightly soluble in ethanol.
• Solubility in water = 1.4 g/L water at 25 °C.
• In water at 20 °C, 0.2 wt %. /2,000 mg/L/
• 2 mg/mL at 20 °C
• Solubility in water, g/100ml: 0.14 (very poor)

• 2-ETHYLHEXANOIC ACID
• 149-57-5
• 2-Ethylcaproic acid
• Hexanoic acid, 2-ethyl-
• Ethylhexanoic acid
• Ethylhexoic acid
• 2-Ethylhexoic acid
• Butylethylacetic acid
• 2-Butylbutanoic acid
• 3-Heptanecarboxylic acid
• Ethyl hexanoic acid
• 2-ethyl-hexoic acid
• 2-ethyl hexanoic acid
• alpha-Ethylcaproic acid
• 2-ethyl-hexanoic acid
• Ethyl hexanoic acid, 2-
• alpha-ethyl caproic acid
• MFCD00002675
• .alpha.-Ethylcaproic acid
• 2-Ethyl-1-hexanoic acid
• 01MU2J7VVZ
• 2-EHA
• 2-ETHYL HEXOIC ACID,AR
• DTXSID9025293
• CHEBI:89058
• NSC-8881
• 2-Ethylhexansaeure
• 2-ethylhexanoicacid
• DTXCID805293
• 2-Ethylhexanoic acid, >=99%
• CAS-149-57-5
• 2 ETHYL HEXANOIC ACID
• CCRIS 3348
• HSDB 5649
• Kyselina 2-ethylkapronova [Czech]
• NSC 8881
• Kyselina 2-ethylkapronova
• EINECS 205-743-6
• (+/-)-2-ETHYLHEXANOIC ACID
• UNII-01MU2J7VVZ
• Kyselina heptan-3-karboxylova [Czech]
• BRN 1750468
• Kyselina heptan-3-karboxylova
• AI3-01371
• Hexanoic acid, 2-ethyl-, (-)-
• EINECS 262-971-9
• 2-Ethylcapronic acid
• 2-Ethyl-Hexonic acid
• alpha-Ethylhexanoic acid
• .alpha.-Ethylhexanoic acid
• EC 205-743-6
• SCHEMBL25800
• 2-Ethylhexanoic acid, 99%
• MLS002415695
• CHEMBL1162485
• WLN: QVY4 & 2
• NSC8881
• HMS2267F21
• STR05759
• 2-ETHYLHEXANOIC ACID [HSDB]
• Tox21_201406
• Tox21_300108
• LMFA01020087
• MSK157439
• AKOS009031416
• AT29893
• CS-W016381
• SB44987
• SB44994
• NCGC00091324-01
• NCGC00091324-02
• NCGC00091324-03
• NCGC00253985-01
• NCGC00258957-01
• 2-Ethylhexanoic acid, analytical standard
• SMR001252268
• 1ST157439
• MSK157439-1000
• E0120
• NS00010660
• EN300-20410
• 1ST157439-1000
• Q209384
• F0001-0703
• Z104478072
• 18FEB650-7573-4EA0-B0CD-9D8BED766547
• 2-Ethylhexanoic acid Solution in Acetonitrile, 1000?g/mL
• 2-Ethylhexanoic acid Solution in Acetonitrile, 1000mug/mL
• 2-Ethylhexanoic acid, Pharmaceutical Secondary Standard; Certified Reference Material