2-Bromo-5-nitro-6-picoline is a achromatic or anemic chicken aqueous
with odor. Pyridine and its congeners accept been begin in the cartilage
tar, atramentous tar, gas, shale oil, oil. Pyridine denaturing agent, a
co-agent, as able-bodied as the amalgam of a alternation of articles
(including medicines, disinfectants, dyes, etc.), the raw abstracts in
the industry can be used. Soluble in water, alcohol, ether, etc. A lot
of amoebic solvents. The pyridine hydro miscible in any proportion,
while abandoning the a lot of arctic and non-polar amoebic compounds,
assertive asleep salts can be attenuated even. Pyridine is a
bread-and-butter broadly acclimated value. Pyridine molecules with top
baptize solubility affidavit in accession to the atom accepting a beyond
polarity, but aswell because of the pyridine nitrogen atom of the
distinct electron brace can with baptize to anatomy hydrogen bonds.
Pyridine anatomy hydrocarbyl accomplish it a ample affection of amoebic
molecules, so arctic or non-polar amoebic admixture may be dissolved. On
the nitrogen atom distinct electron brace able to anatomy complexes
with metal ions such as Ag, Ni, Cu, etc., and the consistent asleep
salts may be dissolved. Forms an azeotropic admixture with water, the
baking point of 92 to 93 ° C. Pyridine and its derivatives are abiding
than benzene, agnate to its acuteness with nitrobenzene. Typical
ambrosial electrophilic barter acknowledgment takes abode in the
3,5-position, but the acknowledgment is lower than that of benzene,
nitration, halogenation, sulfonation acknowledgment is about beneath
prone. Pyridine is a anemic tertiary amine, a water-insoluble alkali can
be formed with abounding acids (such as picric acerbic or perchloric
acid, etc.) in an booze solution. The automated use of pyridine absolute
about 1% of 2 - methyl-pyridine, can be use as the aberration of the
attributes of salt, amid it and its homologues. Pyridine is aswell
accessible with a array of metal ions to anatomy apparent complexes.
Pyridine calmly bargain than benzene restore Hexahydropyridine, such as
in the role of brownish sodium and booze (or piperidine). Pyridine and
hydrogen peroxide, and affected to blaze of the pyridine N-oxide.
2-Bromo-5-nitro-6-picoline as solvent, pyridine in the industry can
aswell be acclimated as a denaturant, advice agent, and the amalgam of a
alternation of articles (including medicines, disinfectants, dyes,
aliment seasonings, adhesive agents, explosives, etc.) of the starting
material. Pyridine can aswell be acclimated as a catalyst, but the bulk
can not be too much, or affect the artefact quality. Acclimated as a
bane inhibitor, pyridine metal adjoin corrosion, the adsorption of bane
inhibition. Pyridine can be acquired from accustomed atramentous tar,
but aswell by acetaldehyde and ammonia obtained. Pyridine and its
derivatives can aswell be actinic by a array of methods, one of the a
lot of broadly Han odd pyridine synthesis, which is the use of two
molecules of the beta-carbonyl compounds, such as ethyl acetoacetate is
abridged with one atom of acetaldehyde, the artefact was re- ethyl
acetoacetate and ammonia with a allotment formed by abstract of the
dihydropyridine compound, and again with an acerbic abettor (such as
nitrous acid) dehydrogenation, hydrolysis accident of
carboxymethylcellulose to access the pyridine derivative. Aswell
accessible acetylene, ammonia and booze at 500 ° C through the alertness
of the catalyst. Abounding derivatives of pyridine is important drugs,
some of which are an important allotment of the vitamins or enzymes.
Pyridine derivatives of isoniazid is an anti-TB drugs, and 2 - methyl-5 -
vinylpyridine is a raw actual of constructed rubber. This artefact is
flammable, with a able irritant. Its breath and air can anatomy atomic
mixtures case of fire, access agitation burns easily. Reacts berserk
with oxidants. Decomposition at top temperatures, the absolution of
baneful nitrogen oxide gases. Violent acknowledgment with sulfuric acid,
nitric acid, chromic acid, angry sulfuric acid, chlorosulfonic acid,
maleic anhydride, perchloric acerbic argent access hazard. The breeze
amount is too fast, simple and accession of changeless electricity. Its
breath is added than air, can lower the advance of ample bounded and met
the blaze will blaze back. In case of top fever, added burden aural
containers, arise and the accident of explosion.
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