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Home> CAS DataBase Listed 1 > CAS 110-87-2
Identification of 110-87-2
  • Name:
  • 3,4-Dihydro-2H-pyran (Related Reference)
  • EINECS:
  • 203-810-4
  • 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-
  • InChI:
  • InChI=1/C5H8O/c1-2-4-6-5-3-1/h2,4H,1,3,5H2
  • This structure is also available as a 2d Mol file
Safety Data of 110-87-2 Properties of 110-87-2
  • Appearance:
  • Colorless liquid
  • Molecular Weight:
  • 84.12
  • Density:
  • 0.922
  • Boiling Point:
  • 86℃
  • Melting Point:
  • -70℃
  • Flash Point:
  • -9℃
  • Storage Temperature:
  • Flammables area
  • Refractive index:
  • 1.4405-1.4425
  • Solubility:
  • 20 g/L (20 oC)
  • Stability:
  • Stable under normal temperatures and pressures.
  • Usage:
  • This cyclic ether is used to protect alcohols in organic synthesis.

  • More>>

CAS No. 110-87-2 (3,4-Dihydro-2H-pyran )

  • CAS No:110-87-2
  • Molecular Weight: 84.12
  • Molecular Formula: C5H8O
Properties Safety and Handling MSDS NMR Spectrum Synthesis Route Precursor and Product
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Precursor and Product
References of 3,4-Dihydro-2H-pyran cas 110-87-2

Safety

Hazard Codes:?FlammableF,?IrritantXi
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.

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