9-DECENOIC ACID

CAS NO.：14436-32-9
Empirical Formula: C10H18O2
Molecular Weight: 170.25
MDL number: MFCD00036663
EINECS: 238-410-9
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-28 02:56:12

What is 9-DECENOIC ACID?

Chemical properties

9-Decenoic acid has a very waxy, somewhat fruity and milky odor.

Occurrence

Reported found in butterfat, Swiss, blue, cheddar, Romano, and Parmesan cheeses and goat, sheep and other cheeses, mutton, hop oil, beer, white and red wine.

The Uses of 9-DECENOIC ACID

9-Decenoic Acid is used to prepare epothilones A and B via macroaldolization, olefin metathesis and macrolactonization. It is also used to synthesize potent, selective, and efficacious reversible α-ketoheterocycle inhibitors of fatty acid amide hydrolase effective as analgesics.

Definition

ChEBI: A decenoic acid having the double bond at position 9.

Taste threshold values

Taste characteristics at 40 ppm: waxy, creamy, fatty with a cheesy and milky nuance.

Synthesis Reference(s)

Synthetic Communications, 9, p. 63, 1979 DOI: 10.1080/00397917908064130
Tetrahedron Letters, 25, p. 3207, 1984 DOI: 10.1016/S0040-4039(01)91010-X

Properties of 9-DECENOIC ACID

Melting point:	26.5°C
Boiling point:	270 °C (lit.)
Density	0.918 g/mL at 25 °C (lit.)
refractive index	n20/D 1.447(lit.)
FEMA	3660 \| 9-DECENOIC ACID
Flash point:	>230 °F
storage temp.	2-8°C
solubility	Chloroform (Sparingly), Methanol (Slightly)
form	neat
pka	4.78±0.10(Predicted)
color	Colourless
Odor	at 10.00 % in dipropylene glycol. waxy green fruity fatty soapy
JECFA Number	328
CAS DataBase Reference	14436-32-9(CAS DataBase Reference)

Safety information for 9-DECENOIC ACID

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.