1-Pentene

Melting point :-165 °C
Boiling point :29.9-30.1 °C (lit.)
Density :0.641 g/mL at 25 °C (lit.)
vapor density :2.4 (vs air)
vapor pressure :10.27 psi ( 20 °C)
refractive index :n20/D 1.371(lit.)
Flash point :−20 °F
storage temp. :2-8°C
solubility :alcohol: miscible(lit.)
form :Liquid
pka :>14 (Schwarzenbach et al., 1993)
color :Clear colorless
Specific Gravity :0.64
Odor :Like gasoline.
Odor Threshold :0.1ppm
explosive limit :8.7%
Water Solubility :0.15 g/L (20 ºC)
Thermal Conductivity :0.1127 W/(m·K) at 25 ℃
Merck :14,7122
BRN :1731629
Henry's Law Constant :0.406 at 25 °C (Hine and Mookerjee, 1975)
Dielectric constant :2.1（20℃）
Stability :Stable. Incompatible with strong oxidizing agents. Highly flammable - readily forms explosive mixtures with air.
InChI :1S/C5H10/c1-3-5-4-2/h3H,1,4-5H2,2H3
InChIKey :YWAKXRMUMFPDSH-UHFFFAOYSA-N
SMILES :CCCC=C
LogP :2.4-2.66 at 25℃
CAS DataBase Reference :109-67-1(CAS DataBase Reference)
NIST Chemistry Reference :1-Pentene(109-67-1)
EPA Substance Registry System :1-Pentene (109-67-1)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H224 Extremely flammable liquid and vapour Flammable liquids Category 1 Danger H304 May be fatal if swallowed and enters airways Aspiration hazard Category 1 Danger 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 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, 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. 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. P331 Do NOT induce vomiting. P370+P378 In case of fire: Use … for extinction. 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..…