3,4-Dihydro-2H-pyran cas no:110-87-2
Synonyms: 5,6-Dihydro-4H-pyran; DHP; DIHYDROPYRANE; 2,3-Dihydropyran; 3,4-Dihydropyran; 2H-3,4-Dihydropyran; 2H-Pyran,3,4-dihydro-; 3,4-Dihdro-2H-pyrane; 3,4-dihydro-2h-pyra; 3,4-Dihydro-2-pyran; delta(Sup2)-Dihydropyran; delta2-Dihydropyran; Pyran, dihydro-
Name3,4-Dihydro-2H-pyran
CAS110-87-2
Synonyms5,6-Dihydro-4H-pyran; DHP; DIHYDROPYRANE; 2,3-Dihydropyran; 3,4-Dihydropyran; 2H-3,4-Dihydropyran; 2H-Pyran,3,4-dihydro-; 3,4-Dihdro-2H-pyrane; 3,4-dihydro-2h-pyra; 3,4-Dihydro-2-pyran; delta(Sup2)-Dihydropyran; delta2-Dihydropyran; Pyran, dihydro-
EINECS(EC#)203-810-4
Molecular FormulaC5H8O
Molecular Weight84.12
AppearanceColorless liquid
refractive index1.4405-1.4425
storage tempFlammables area
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Hazardclass3
Hazard F:Flammable
Risk R11;R36/38
Safety
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.
HS Code 29329995
