ISO Factory Supply High Quality Phosphotungstic Acid

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ISO Factory Supply High Quality Phosphotungstic Acid
ISO Factory Supply High Quality Phosphotungstic Acid
ISO Factory Supply High Quality Phosphotungstic Acid
ISO Factory Supply High Quality Phosphotungstic Acid
ISO Factory Supply High Quality Phosphotungstic Acid
ISO Factory Supply High Quality Phosphotungstic Acid
ISO Factory Supply High Quality Phosphotungstic Acid

ISO Factory Supply High Quality Phosphotungstic Acid

  • Item No.KL-Phosphotungstic Acid
    MOQ1 Kilogram
  • Size 20 x 11 x 14 cm
    Weight1.2 kg
Tag  wholesale
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From $90.0075.0065.0050.00 / Kilogram
$90.00
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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
Application Organic Synthesis
Place of Origin CN;SHA
Brand Name keolie
Appearance White to pale yellow Powder
Assay98%min
Model Number KL-Phosphotungstic Acid
SampleAvailable
Storage Stored in cool & dry place
COAAvailable
MOQ 0.1KG or negotiable
StockAvailable
CertificateISO
Shelf Life 2years
Type Agrochemical Intermediates
CAS No. 12067-99-1
Other Names Phosphotungstic Acid
MFH3O40PW12.xH2O
EINECS No. /
Purity 98%, 98% min

Packaging & Delivery

Selling Units:
Kilogram
Single package size:
20 x 11 x 14 cm
Single gross weight:
1.2 kg

ISO Factory Supply High Quality Phosphotungstic Acidintroduce.jpg

 

Product Name:

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

Appearance:

White to pale yellow Powder

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.function_.jpg

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%company details.jpgcontact.jpgpackage&shipping.jpg

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