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  • 110-87-2 3,4-Dihydro-2H-pyran
  • 110-87-2 3,4-Dihydro-2H-pyran
  • 110-87-2 3,4-Dihydro-2H-pyran
  • 110-87-2 3,4-Dihydro-2H-pyran
110-87-2 3,4-Dihydro-2H-pyran110-87-2 3,4-Dihydro-2H-pyran110-87-2 3,4-Dihydro-2H-pyran110-87-2 3,4-Dihydro-2H-pyran

110-87-2 3,4-Dihydro-2H-pyran

3,4-Dihydro-2H-pyran Basic information
Product Name: 3,4-Dihydro-2H-pyran
Synonyms: 3,4-dihydro-2h-pyra;3,4-Dihydro-2-pyran;delta(Sup2)-Dihydropyran;delta2-Dihydropyran;Pyran, dihydro-;pyran,dihydro-;δ2-dihydropyran;DIHYDROPYRAN
CAS: 110-87-2
MF: C5H8O
MW: 84.12
EINECS: 203-810-4
Product Categories: Halogenated Heterocycles ,Isoquinolines ,Quinolines ,Quinazolines ,Quinaldines;Protection and Derivatization;Protection & Derivatization Reagents (for Synthesis);Synthetic Organic Chemistry;Others;Protecting and Derivatizing Reagents;Oxygen cyclic compounds
Mol File: 110-87-2.mol
3,4-Dihydro-2H-pyran Structure
3,4-Dihydro-2H-pyran Chemical Properties
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.)
Fp  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
InChIKey BUDQDWGNQVEFAC-UHFFFAOYSA-N
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)
Safety Information
Hazard Codes  F,Xi
Risk Statements  11-36/37/38-36/38-19
Safety Statements  16-26-36-37/39-33-7/9
RIDADR  UN 2376 3/PG 2
WGK Germany  3
RTECS  UP7700000
Autoignition Temperature 240 °C
Hazard Note  Highly Flammable/Irritant
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29329995
Toxicity LD50 orally in Rabbit: > 4000 mg/kg