Melting point :-70 °C (lit.)
Boiling point :86 °C (lit.)
Density :0.922 g/mL at 25 °C (lit.)
vapor density :2.9 (vs air)
vapor pressure :77.8 hPa (20 °C)
refractive index :n20/D 1.440(lit.)
Flash point :4 °F
storage temp. :Store below +30°C.
solubility :7.7g/l
form :Liquid
color :Clear colorless to yellow
PH :7 (5g/l, H2O, 20℃)
explosive limit :1.1-13.8%(V)
Water Solubility :20 g/L (20 ºC)
BRN :103493
Stability :Volatile
InChI :1S/C5H8O/c1-2-4-6-5-3-1/h2,4H,1,3,5H2
InChIKey :BUDQDWGNQVEFAC-UHFFFAOYSA-N
SMILES :C1COC=CC1
LogP :0.690
CAS DataBase Reference :110-87-2(CAS DataBase Reference)
NIST Chemistry Reference :2H-Pyran, 3,4-dihydro-(110-87-2)
EPA Substance Registry System :2H-Pyran, 3,4-dihydro- (110-87-2)

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 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P 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. 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.