Tetrahydrofuran
Tetrahydrofuran
Formula
C
4
H
8
O
Molecular mass
72.11 g/mol
Melting point
-108.4 C
Boiling point
66 C
Density
0.886 g/cm
3
CAS number
109-99-9
SMILES
C1CCCO1
Chemical structure of tetrahydrofuran
Tetrahydrofuran
, also known as
THF
,
hydrofuran
,
oxolane
,
oxacyclopentane
, or
furanidine
, is a
heterocyclic
organic
compound
. It is one of the most
polar
ethers
and is used as a
solvent
of intermediate polarity in
chemical reactions
and
extractions
. THF is a clear, low-
viscosity
liquid with an diethyl ether-like smell. THF is completely miscible with
water
at room temperature. THF tends to form
peroxides
on storage. Commercial THF is therefore often inhibited with
BHT
. Alternatively, THF can be stored in air-tight bottles in the dark over
sodium hydroxide
. THF is the fully
hydrogenated
analog of the
aromatic
compound
furan
.
External links
THF info
OSHA info on THF
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