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.)
Flash point :60 °F
storage temp. :Store below +30°C.
solubility :ethanol: soluble(lit.)
form :Liquid
pka :>14 (Schwarzenbach et al., 1993)
color :Clear colorless
Odor :Like gasoline.
explosive limit :0.8-6.5%(V)
Odor Threshold :1.7ppm
Water Solubility :0.0007 g/L (20 ºC)
Thermal Conductivity :0.1244 W/(m·K) at 25 ℃
Merck :14,6749
BRN :1696875
Henry's Law Constant :4.45 at 25 °C (Jnsson et al., 1982)
Dielectric constant :1.1（-4℃）
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.
Cosmetics Ingredients Functions :SOLVENT
InChI :1S/C8H18/c1-3-5-7-8-6-4-2/h3-8H2,1-2H3
InChIKey :TVMXDCGIABBOFY-UHFFFAOYSA-N
SMILES :CCCCCCCC
LogP :5.15
Surface tension :21.1mN/m at 298.15K
CAS DataBase Reference :111-65-9(CAS DataBase Reference)
NIST Chemistry Reference :Octane(111-65-9)
EPA Substance Registry System :Octane (111-65-9)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H304 May be fatal if swallowed and enters airways Aspiration hazard Category 1 Danger H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501 H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P242 Use only non-sparking tools. P243 Take precautionary measures against static discharge. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. 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. P331 Do NOT induce vomiting. P332+P313 IF SKIN irritation occurs: Get medical advice/attention. P337+P313 IF eye irritation persists: Get medical advice/attention. P370+P378 In case of fire: Use … for extinction. P391 Collect spillage. Hazardous to the aquatic environment P403+P233 Store in a well-ventilated place. Keep container tightly closed. P403+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up. P501 Dispose of contents/container to..…