High quality Phosphotungstic Acid with best price

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High quality Phosphotungstic Acid  with best price
High quality Phosphotungstic Acid  with best price
High quality Phosphotungstic Acid  with best price
High quality Phosphotungstic Acid  with best price
High quality Phosphotungstic Acid  with best price
High quality Phosphotungstic Acid  with best price
High quality Phosphotungstic Acid  with best price

High quality Phosphotungstic Acid with best price

  • Item No.Phosphotungstic Acid
    MOQ1 Kilogram
Tag  sourcing
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If over 500pcs, mass production will start until pre-production sample has been approved.

Est. 7 days production

Quick Details
Product name Phosphotungstic Acid
Appearance White to pale yellow Powder,
Place of Origin CN;SHN
Brand Name QDxigema
CertificationISO
Model Number Phosphotungstic Acid
Application Organic Synthesis, Fine Chemical Intermediate
Assay: 99% min
Water Solubility practical insoluble
Melting point 89℃
Molecular Weight 5760.11
Storage Refrigerator (+4°C)
Assay Purity 99%
Shelf Life 2 Years
Type Dyestuff Intermediates
CAS No. 12067-99-1
Other Names Phosphotungstic acid
MFH6O80P2W24
EINECS No. 235-087-6
Purity99.0%min

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Selling Units:
Kilogram
Lead Time:
Quantity(Kilogram)1 - 100>100
Est. Time(days)3To be negotiated

 

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Product Name:

Phosphotungstic Acid
CAS:12067-99-1 
MF :H3O40PW12.xH2O
Specification:98%min

Appearance:

White to pale yellow Powder

 

 

Basic Information

Basic Information.png 

 

Phosphotungstic acid (PTA), tungstophosphoric acid (TPA), is a heteropoly acid with the chemical formula H3PW12O40. It is normally present as a hydrate. EPTA is the name of ethanolic phosphotungstic acid, its alcohol solution used in biology. It has the appearance of small, colorless-grayish or slightly yellow-green crystals, with melting point 89 °C (24 H2O hydrate). It is odorless and soluble in water (200 g/100 ml). It is not especially toxic, but is a mild acidic irritant. The compound is known by a variety of different names and acronyms.auses of male pattern baldness in genetically susceptible individuals. Therefore, when treatment is stopped, the DHT already accumlated around the follicle has its expected effect, and the follicle usually shrinks again and eventually dies.

 

Functions

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After being acidified with phosphoric acid and hydrochloric acid in sodium tungstate solution, extracted with ethyl ether. Using Rosenheim and Jaenicke method, phosphotungstic acid is easy to prepare. 1000g sodium tungstate (Na2WO4 = 2H2O) and 160g sodium hydrogen phosphate two (Na2HPO4 = 2H2O) were dissolved in 1500mL boiling water. The 800mL concentrated hydrochloric acid is added to the mixture under constant stirring.

When half of the acid is added, phosphotungstic acid is separated. Because the precipitated acid must be pure, it does not need to be filtered out. The solution after cooling, adding reducing agent containing ether, until the mixture is divided into three by swing after the liquid layer so far. It takes about 600mL of ether. If necessary, add some water to dissolve sodium chloride.

The bottom layer is liquid and phosphotungstic acid ether compounds, water washed several times, each time adding sufficient ether to form third liquid layer. Then, in the ether liquid layer, the air is washed out without dust, so as to evaporate and crystallize. After filtration, the crystals are placed in the air in an open air, but do not contact the dust until they no longer have the odor of ether, and the yield is about 80%.

 

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Company Information

Company Information

 

QingdaoxigemaCHEMICAL Co., Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
 
The aim of  xigema is a quality policy that"Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.
 
 xigema has become the"Top 500 Chinese manufacturing companies","Top 20 of global agrochemical sales". xigema  has 21 subsidiaries and holding companies.

 

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