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Definition of benzene
Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of benzene is as below...
Benzene
(n.) A
volatile,
very
inflammable
liquid,
C6H6,
contained
in the
naphtha
produced
by the
destructive
distillation
of coal, from which it is
separated
by
fractional
distillation.
The name is
sometimes
applied
also to the
impure
commercial
product
or
benzole,
and also, but
rarely,
to a
similar
mixed
product
of
petroleum..
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Phene
::
Phene (n.)
Benzene.
Xylene
::
Xylene
(n.) Any of a group of three
metameric
hydrocarbons
of the
aromatic
series,
found in coal and wood tar, and so named
because
found in crude wood
spirit.
They are
colorless,
oily,
inflammable
liquids,
C6H4.(CH3)2,
being
dimethyl
benzenes,
and are
called
respectively
orthoxylene,
metaxylene,
and
paraxylene.
Called
also
xylol..
Phenyl
::
Phenyl
(n.) A
hydrocarbon
radical
(C6H5)
regarded
as the
essential
residue
of
benzene,
and the basis of an
immense
number
of
aromatic
derivatives..
Para-
::
Para- () A
prefix
denoting:
(a)
Likeness,
similarity,
or
connection,
or that the
substance
resembles,
but is
distinct
from, that to the name of which it is
prefixed;
as
paraldehyde,
paraconine,
etc.; also, an
isomeric
modification.
(b)
Specifically:
(Organ.
Chem.)
That two
groups
or
radicals
substituted
in the
benzene
nucleus
are
opposite,
or in the
respective
positions
1 and 4; 2 and 5; or 3 and 6, as
paraxylene;
paroxybenzoic
acid. Cf.
Ortho-,
and
Meta-.
Also used
adjectively..
Nitrobenzene
::
Nitrobenzene
(n.) A
yellow
aromatic
liquid
(C6H5.NO2),
produced
by the
action
of
nitric
acid on
benzene,
and
called
from its odor
imitation
oil of
bitter
almonds,
or
essence
of
mirbane.
It is used in
perfumery,
and is
manufactured
in large
quantities
in the
preparation
of
aniline.
Fornerly
called
also
nitrobenzol..
Nitrobenzole
::
Nitrobenzole
(n.) See
Nitrobenzene.
Diazo-
::
Diazo-
() A
combining
form (also used
adjectively),
meaning
pertaining
to, or
derived
from, a
series
of
compounds
containing
a
radical
of two
nitrogen
atoms,
united
usually
to an
aromatic
radical;
as,
diazo-benzene,
C6H5.N2.OH..
Azobenzene
::
Azobenzene
(n.) A
substance
(C6H5.N2.C6H5)
derived
from
nitrobenzene,
forming
orange
red
crystals
which are
easily
fusible..
Benzene
::
Benzene
(n.) A
volatile,
very
inflammable
liquid,
C6H6,
contained
in the
naphtha
produced
by the
destructive
distillation
of coal, from which it is
separated
by
fractional
distillation.
The name is
sometimes
applied
also to the
impure
commercial
product
or
benzole,
and also, but
rarely,
to a
similar
mixed
product
of
petroleum..
Sulphonium
::
Sulphonic
(a.)
Pertaining
to, or
derived
from, a
sulphone;
-- used
specifically
to
designate
any one of a
series
of acids
(regarded
as acid
ethereal
salts of
sulphurous
acid)
obtained
by the
oxidation
of the
mercaptans,
or by
treating
sulphuric
acid with
certain
aromatic
bases (as
benzene);
as,
phenyl
sulphonic
acid,
C6H5.SO2.OH,
a
stable
colorless
crystalline
substance..
Styrone
::
Styrolene
(n.) An
unsaturated
hydrocarbon,
C8H8,
obtained
by the
distillation
of
storax,
by the
decomposition
of
cinnamic
acid, and by the
condensation
of
acetylene,
as a
fragrant,
aromatic,
mobile
liquid;
--
called
also
phenyl
ethylene,
vinyl
benzene,
styrol,
styrene,
and
cinnamene..
Azo-
::
Azo- () Now
especially
applied
to
compounds
containing
a two atom
nitrogen
group
uniting
two
hydrocarbon
radicals,
as in
azobenzene,
azobenzoic,
etc. These
compounds
furnish
many
artificial
dyes. See
Diazo-..
Chloranil
::
Chloranil
(n.) A
yellow
crystalline
substance,
C6Cl4.O2,
regarded
as a
derivative
of
quinone,
obtained
by the
action
of
chlorine
on
certain
benzene
derivatives,
as
aniline..
Toluene
::
Toluene
(n.) A
hydrocarbon,
C6H5.CH3,
of the
aromatic
series,
homologous
with
benzene,
and
obtained
as a light
mobile
colorless
liquid,
by
distilling
tolu
balsam,
coal tar, etc.; --
called
also
methyl
benzene,
phenyl
methane,
etc..
Bond
::
Bond (n.) A unit of
chemical
attraction;
as,
oxygen
has two bonds of
affinity.
It is often
represented
in
graphic
formulae
by a short line or dash. See
Diagram
of
Benzene
nucleus,
and
Valence..
Tetrol
::
Tetrol
(n.) A
hypothetical
hydrocarbon,
C4H4,
analogous
to
benzene;
-- so
called
from the four
carbon
atoms in the
molecule..
Met-
::
Met- () That two
replacing
radicals,
in the
benzene
nucleus,
occupy
the
relative
positions
of 1 and 3, 2 and 4, 3 and 5, 4 and 6, 5 and 1, or 6 and 2; as,
metacresol,
etc. See
Ortho-,
and
Para-..
Thioxene
::
Thioxene
(n.) Any one of three
possible
metameric
substances,
which are
dimethyl
derivatives
of
thiophene,
like the
xylenes
from
benzene..
Phenylene
::
Phenylene
(n.) A
hypothetic
radical
(C6H4)
occurring
in
certain
derivatives
of
benzene;
as,
phenylene
diamine..
Vesuvine
::
Vesuvine
(n.) A trade name for a brown
dyestuff
obtained
from
certain
basic azo
compounds
of
benzene;
--
called
also
Bismarck
brown,
Manchester
brown,
etc..
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