99% Hihg Quality Benzothiophene-3-Boronic Acid CAS 113893-08-6
China Supply Boronic Acid 10043-35-3
Product Name: Benzothiophene-3-boronic acid
390.2ºC at 760 mmHg
Keep the container closed and store in a cool, dry, ventilated
Boric acid, also called boracic acid or orthoboric acid or Acidum
Boricum, is a mild acid often used as an antiseptic, insecticide,
flame retardant, in nuclear power plants to control the fission
rate of uranium and as a precursor of other chemical compounds. It
exists in the form of colorless crystals or a white powder and
dissolves in water. It has the chemical formula H3BO3, sometimes
written B(OH)3. When occurring as a mineral, it is called
It can be used as an antiseptic for minor burns or cuts and is
sometimes used in dressings or salves or is applied in a very
dilute solution as an eye wash. (1.5% solution or 1 tbsp per quart
of boiled water has been suggested for the latter.) As an
anti-bacterial compound, boric acid can also be used as an acne
treatment. Boric acid can be used to treat yeast and fungal
infections such as candidiasis (vaginal yeast infections) by
inserting a vaginal suppository containing 600 mg of boric acid
daily for 14 days (PMID 10865926). It is also used as prevention of
athlete's food, by inserting powder in the socks or stockings, and
in solution can be used to treat some kinds of otitis externa (ear
infection) in both humans and animals. The preservative in urine
sample bottles (red cap) in the UK is boric acid.
Boric acid has the distinction of being the only known acid that is
actually beneficial (rather than harmful) to the eyes, and as such
is used by ophthalmologistsand in some commercial eye drops.
Boric acid was first registered as an insecticide in 1948 by the
EPA for control of cockroaches, termites, fire ants, fleas,
silverfish, and many other insects. It acts as a stomach poison
affecting the insects' metabolism, and the dry powder is abrasive
to the insects' exoskeleton.
Boric acid may be used either in an insect bait formulation
containing a feed attractant or as a dry powder. The powder may be
injected into cracks and crevices, where it forms a fine layer of
dust. Insects travel through the boric acid dust, which adheres to
their legs. When the insects groom themselves, they then ingest the
poison, which causes death three to ten days later of starvation
In combination with its use as an insecticide it also prevents and
destroys existing wet and dry rot in timbers. It can be used in
combination with an ethylene glycol carrier to treat external wood
against fungal and insect attack. It is possible to buy Borate
impregnated rods for insertion into wood via drill holes where damp
and moisture is known to collect and sit. It is available in a gel
form and injectable paste form for treating rot affected wood
without the need to replace the timber. You can buy concentrates of
Borate based timber treatments which can be sprayed or dipped.
Surface treatments prevent slime, mycelium and algae growth even in
marine environments. There is a wide range of manufacturers of wood
preservers based on boric acid/ borate mineral salts.
Boric acid is used in nuclear power plants to slow down the rate at
which fission is occurring. Fission chain reactions are generally
driven by the amount of neutrons present (as products from previous
fissions). Natural Boron is 20% Boron-10 and about 80% Boron-11.
Boron-10 has a high cross-section for absorption of low energy
(thermal) neutrons. By adding more boric acid to the reactor
coolant which circulates through the reactor, the probability that
a neutron can survive to cause fission is reduced. Therefore, boric
acid concentration changes effectively regulate the rate of
fissions taking place in the reactor. This is only done in
Pressurized Water Reactors (PWR's). Boron is also dissolved into
the spent fuel pools containing used uranium rods. The
concentration is high enough to keep fissions at a minimum.
In the jewelry industry, boric acid is often used in combination
with denatured alcohol to reduce surface oxidation and firescale
from forming on metals during annealing and soldering operations.
It is also used in the manufacturing of remming mass, a fine
silica-containing powder used for producing induction furnace
linings and ceramics.
Borates including boric acid have been used since the time of the
Greeks for cleaning, preserving food, and other activities.
Silly Putty was originally made by adding boric acid to silicone
oil. Now name-brand Silly Putty also contains significant amounts
of elemental silicon (silicon binds to the silicone and allows the
material to bounce 20% higher).
Lithium borate is the lithium salt of boric acid and is used in the
laboratory as buffer for gel. TBE buffer is widely used for the
electrophoresis of nucleic acids and has a higher buffer capacity
than a TAE Buffer. It can be used for DNA and RNA polyacrylamide
and agarose gel electrophoresis.
It is used in pyrotechnics to prevent the amide-forming reaction
between aluminum and nitrates. A small amount of boric acid is
added to the composition to neutralize alkaline amides that can
react with the aluminum.
Boric acid is popularly used among fire jugglers and fire spinners
dissolved in methanol to give a deep green flame.
It is also used in India and across the world to dust down Carrom
boards to decrease friction and increase speed of play.
Boric acid is also used in special effects. When Boric Acid is
combined with an alcohol (usually ethanol), it produces a green
flame when burned.
Boric Acid CAS No.:10043-35-3 Packing: 25kg pp or craft bag
B (%) ≥
B2O3 (%) ≥
Fe (%) ≤
Heavy metals (Pb) % ≤
Water insoluble (%) ≤
25kg, 50kg,1000kg plastic-lined plastic woven bags
1. Boron fertilizer
4. Glass/Ceramics industry material
5. Ramming mass
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