N-OCTANE Chemical Properties
Melting point −57 °C(lit.)
Boiling point 125-127 °C(lit.)
density 0.703 g/mL at 25 °C(lit.)
vapor density 3.9 (vs air)
vapor pressure 11 mm Hg ( 20 °C)
refractive index n20/D 1.398(lit.)
Fp 60 °F
storage temp. Flammables area
solubility ethanol: soluble(lit.)
form Liquid
pka >14 (Schwarzenbach et al., 1993)
color Clear colorless
Odor Like gasoline.
Odor Threshold 1.7ppm
explosive limit 0.8-6.5%(V)
Water Solubility 0.0007 g/L (20 ºC)
Merck 14,6749
BRN 1696875
Henry's Law Constant 4.45 at 25 °C (J nsson et al., 1982)
Exposure limits TLV-TWA 300 ppm (~1450 mg/m3) (ACGIH and NIOSH), 500 ppm (~2420 mg/m3) (OSHA); STEL 375 ppm (~1800 mg/m3).
Stability: Stable. Highly flammable. Readily forms explosive mixtures with air. Incompatible with oxidizing agents.
InChIKey TVMXDCGIABBOFY-UHFFFAOYSA-N
CAS DataBase Reference 111-65-9(CAS DataBase Reference)
NIST Chemistry Reference Octane(111-65-9)
EPA Substance Registry System Octane (111-65-9)
Safety Information
Hazard Codes F,Xn,N
Risk Statements 11-38-50/53-65-67
Safety Statements 9-16-29-33-60-61-62
RIDADR UN 1262 3/PG 2
WGK Germany 1
RTECS RG8400000
Autoignition Temperature 428 °F
TSCA Yes
HazardClass 3
PackingGroup II
HS Code 29011000
Hazardous Substances Data 111-65-9(Hazardous Substances Data)
Toxicity LDLo intravenous in mouse: 428mg/kg