Silico Tungstic Acid

Silico Tungstic Acid About

Silico Tungstic Acid Hydrate

In order to cater our global clients, we are engrossed in manufacturing, exporting and supplying Silico Tungstic Acid Hydrate. By the help of paramount quality chemical compounds, this acid is processed under the guidance of seasoned professionals in conformance with international standards. Offered chemical is available in safe packaging option and can be purchased from us at marginal prices. To be used as a catalyst in chemical industry, this Silico Tungstic Acid Hydrate is highly demanded in market.

Features:

• High purity
• Elevated shelf life
• Accurate pH value
• Water soluble

Specification:

• Purity : 99.5%
• CAS No. : 12027-43-9
• Molecular Formula : H₄(SiW₁₂O₄₀)xH₂O
• Molecular Weight : 2878.17 (anhydrous basis)
• H.S. Code : 2811.1980
• pH value : Acidic
• Solubility in water [% weight] : Soluble in water

Other Details:

Appearance	Slightly yellow colored powder
Assay	Min 99.5%
Chloride (Cl)	Max 0.001%
Sulphate (SO4)	Max 0.005%
Total Nitrogen	Max 0.002%
Heavy metals (as Pb)	Max 0.002%
Iron (Fe)	Max 0.001%
Sodium (Na)	Max 0.02%
Potassium (K)	Max 0.02%
Loss on ignition (at 750 degC)	Max 16.0%

SPECIFICATION

Certificate of Analysis
MF	H6O41SiW12
CAS NO.	12027-43-9
ASSAY	99.2 to 99.8 %
W	65 to 68 %
WO3	80 to 83%
Analysis Result
Status	Crystalline Powder
Color	White to yellowish colored
Solubility	Water
pH	4 to 5 %
Water Insolubles	0.01 to 0.021 %
Loss On Drying	15 to 18 %

Applications :

• Catalyst
• Reacting Phenol With Phthalic Anhdride
• Trialkyl benzene
• Caprolactam
• Sulfur Compounds
• Phenolphtalein
• Cyclopentanol Glutaric Acid
• Acrolein and /or Acrylic Acid
• Crude oil hydrorefining Process
• Process for the dehydration of ethanol
• Catalyst Recovery Process
• Oxymethylene Polymers
• Process for Producing aldehyde
• Process for preparing electrochemical Catalysts
• Process for producing bio-resourced polymer grade acrylic acid
• Production of tertiary butyl alcohol
• Oxidation of P- xylene to terephthalaldehyde
• Method of Producing 2-Adamantanone
• Purification of 3- Hydroxypropionic Acid
• Carbonylation of Methanol
• Method for Preparing Sec butyl acetate
• Process for preparing alkene

Exceptional Purity for Precise Applications

With a purity level close to 99%, Silico Tungstic Acid ensures reliable results in analytical and laboratory procedures. Its Analytical Reagent (AR) grade status makes it an excellent choice wherever accuracy and reproducibility are paramount, especially in catalysis and electroplating processes.


Safe Handling and Robust Stability

Supplied in durable HDPE bottles or bags, this white crystalline powder remains stable when stored properlyin a cool, dry, well-ventilated space, tightly sealed. Its shelf life extends up to two years, ensuring minimal waste and consistent reagent quality for frequent laboratory or industrial demands.


Versatile Use in Multiple Domains

Silico Tungstic Acid is widely valued in applications such as catalysis, precise analytical chemistry, electroplating, and as a laboratory reagent. Its water solubility and strong acidity support a broad array of chemical processes, bolstering its role as an indispensable material for exporters, manufacturers, and suppliers.