Highly Flammable/Irritant

Hazard Codes:?F,?Xi 
Risk Statements: 11-36/37/38-36/38-19?
R11:Highly flammable.?
R36/37/38:Irritating to eyes, respiratory system and skin.?
R36/38:Irritating to eyes and skin.?
R19:May form explosive peroxides. 
Safety Statements: 16-26-36-37/39-33-7/9?
S16:Keep away from sources of ignition.?
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.?
S36:Wear suitable protective clothing.?
S37/39:Wear suitable gloves and eye/face protection.?
S33:Take precautionary measures against static discharges.?
S7:Keep container tightly closed.?
S9:Keep container in a well-ventilated place. 
RIDADR: UN 2376 3/PG 2
WGK Germany: 3
Hazard Note: Highly Flammable/Irritant 
HazardClass: 3 
PackingGroup: II 
HS Code: 29329995 
A flammable and very dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidizing materials. Keep away from heat and open flame. To fight fire, use alcohol foam, CO₂, or dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes.

?Dihydropyran (CAS NO.110-87-2) is also named as 2,3-Dihydro-4H-pyran ; 2H-3,4-Dihydropyran ; 3,4-Dihydro-2H-pyran ; 3,4-Dihydropyran ; 5,6-Dihydro-4H-pyran ; AI3-16497 ; Dihydropyran (VAN) ; NSC 57860 ; delta2-Dihydropyran .?Dihydropyran (CAS NO.110-87-2) is colorless to light yellow liquid. It is soluble in most organic solvents.

Reported in EPA TSCA Inventory.

This cyclic ether is used to protect alcohols in organic synthesis.