Melting point :16 °C
Boiling point :237 °C(lit.)
Density :0.91 g/mL at 25 °C(lit.)
vapor density :5 (vs air)
vapor pressure :1 mm Hg ( 78 °C)
FEMA :2799 | OCTANOIC ACID
refractive index :n20/D 1.428(lit.)
Flash point :>230 °F
storage temp. :20-25°C
solubility :0.68g/l
pka :4.89(at 25℃)
form :Liquid
Specific Gravity :0.910 (20/4℃)
color :Clear colorless to yellow
Odor :unpleasant odor
PH Range :3.5
PH :3.97(1 mM solution);3.45(10 mM solution);2.95(100 mM solution);
Odor Type :fatty
explosive limit :1%(V)
Water Solubility :0.68 g/L (20 ºC)
JECFA Number :99
Merck :14,1765
BRN :1747180
Dielectric constant :3.2（18℃）
Stability :Stable. Incompatible with bases, reducing agents, oxidizing agents. Flammable.
LogP :3.05 at 20℃
CAS DataBase Reference :124-07-2(CAS DataBase Reference)
NIST Chemistry Reference :Octanoic acid(124-07-2)
EPA Substance Registry System :Octanoic acid (124-07-2)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P363 Wash contaminated clothing before reuse.