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99% White Crystal Powder Benzothiophene-3-Boronic Acid CAS 113893-08-6 China Supply Boronic Acid 10043-35-3

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99% White Crystal Powder Benzothiophene-3-Boronic Acid CAS 113893-08-6 China Supply Boronic Acid 10043-35-3

Country/Region china
City & Province chongqing chongqing
Categories Pharmaceutical Chemicals

Product Details

99% Hihg Quality Benzothiophene-3-Boronic Acid CAS 113893-08-6 China Supply Boronic Acid 10043-35-3

 

Product Name: Benzothiophene-3-boronic acid

 

Product Details:

 

 

Product name

 

Benzothiophene-3-boronic acid

 

Other name

 

1-benzothiophen-3-ylboronic acid

 

CAS

 

113893-08-6

 

MF

 

C8H7BO2S

Structural formula

99% Hihg Quality Benzothiophene-3-Boronic Acid CAS 113893-08-6 China Supply Boronic Acid

 

MW

 

178.01600

 

Appearance

 

White Powder

 

Melting point

 

225-230 °C(lit.)

 

Boiling point

 

390.2ºC at 760 mmHg

 

Density

 

1.35 g/cm3

 

Flash point

 

189.8ºC

 

Refractive index

 

1.668

 

Purity

 

99.0%

 

Packing

 

25kg/Cardboard drum;

 

Storage

 

Keep the container closed and store in a cool, dry, ventilated place.

 

 

Description:

 

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 sassolite.

 

 

Application:

 

Medicinal uses

 

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.

 

Insecticidal use

 

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 and dehydration.

 

Preservative Use

 

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.

 

Industrial uses

 

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.

 

Miscellaneous uses

 

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

 

 

(H3BO3)≥

 

98%

99.5%

99.9%

 

Color

 

White

White

White

White

White

 

Appearance

 

Granular

Powder

Granular

Powder

Powder

 

Size

 

2-4 mm

60-80 mesh

2-4 mm

60-80 mesh

60-80 mesh

 

B (%) ≥

 

17±0.1

17±0.1

17.5±0.1

17.5±0.1

17.6±0.1

 

B2O3 (%) ≥

 

55.2±0.1

55.2±0.1

56.1±0.1

56.1±0.1

56.3±0.1

 

SO42- (%)≤

 

0.035

0.0005

0.0002

 

Cl- (%)≤

 

0.0018

0.0001

0.0001

 

Fe (%) ≤

 

0.0006

0.0002

0.0001

 

Heavy metals (Pb) % ≤

 

0.0008

0.0002

0.0001

 

Water insoluble (%) ≤

 

0.01

0.005

0.001

 

Packing

 

25kg, 50kg,1000kg plastic-lined plastic woven bags

Use

1. Boron fertilizer

2. Preservatives

3. Pesticides

4. Glass/Ceramics industry material

5. Ramming mass

 

 

 

OUR ADWANTAGE:


1, High quality with competitive price:
1) Standard: U.S Standard
2) All Purity≥99.8%
3) We are manufacturer and can provide high quality products with factory price.


2, Fast and safe delivery
1) Parcel can be sent out within 8 hours after payment. Tracking number available
2) Secure and discreet shipment. Various transportation methods for your choice.
3) Customs pass rate ≥99.8%
4)We provide re-ship policy.
5) We have warehouse in Australia, Canada and England, we have large amounts of stock in the warehouse, can ship to you directly from our foreign warehouse!
3, We have clients throughout the world.
1) Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet their desire.
2) Meeting customers's requirement is our responsibility.
3) High quality, competitive price, fast delivery, first-class service gain the trust and praise from the customers.

 

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Name

Purity

Methylamine

40% water solution

Methylamine hydrochloride

NLT 99%

Benzeneacetonitrile (benzyl cyanide)

NLT 99%

Propiophenone

NLT 99.5%

Hydrogen bromide

48% water solution

(-)-Dibenzoyl-L-tartaric acid monohydrate

NLT 99%

Potassium borohydride

NLT 97%

Sodium borohydride

NLT 98%

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NLT 99%

N-PHENYLPIPERIDIN-4-AMINE DIHYDROCHLORIDE (4-ANP) CAS 99918-43-1

NLT 99%

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Albuterol sulfate

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Dextromethorphan hydrobromide DXM

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Dimethocaine

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Dermorphin

10mg/vial

Sunifiram DM-235

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Armodafinil

NLT 99%

PHENIBUT

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Suvorexant (MK-4305)

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Hetlioz (tasimelteon)

NLT 99%

Amitriptyline hydrochloride

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Mirtazapine

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Trazodone hydrochloride

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Venlafaxine hydrochloride

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Vortioxetine hydrobromide

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Vortioxetine

NLT 99%

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