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Postion:Product Catalog >Inorganic chemistry>Inorganic salts>Silicide and silicates>Silicic acid
Silicic acid
  • Silicic acid
  • Silicic acid
  • Silicic acid
  • Silicic acid
  • Silicic acid

Silicic acid NEW

Price $60 $50 $26
Package 1kg 25kg 100kg
Min. Order: 1kg
Supply Ability: 20 tons
Update Time: 2024-10-25

Product Details

Product Name: Silicic acid CAS No.: 7699-41-4
EC-No.: 231-716-3 Min. Order: 1kg
Purity: 0.99 Supply Ability: 20 tons
Release date: 2024/10/25
Name

Silicic acid(H2SiO3)

EINECS231-716-3
CAS No.7699-41-4DensityN/A
PSA57.53000LogP-1.61360
SolubilityInsoluble in water or acid, soluble in potassium hydroxide and sodium hydroxide solutionMelting Point1704℃
FormulaH2O3SiBoiling PointN/A
Molecular Weight78.0996AppearanceWhite amorphous powder or bulk

Appearance and properties: white amorphous powder or bulk


The IUPAC name of Silicic acid(H2SiO3) is dihydroxy(oxo)silane. With the CAS registry number 7699-41-4 and EINECS 231-716-3, it is also named as Acidum silicicum. The product's categories are Inorganics; Acids; Electronic Chemicals; Micro / Nanoelectronics; Adsorption / Partition; Protein Chromatography; Silica. It is white amorphous powder or bulk which is insoluble in water or acid, soluble in potassium hydroxide and sodium hydroxide solution. Additionally, this chemical should be sealed in the container and stored in the cool and dry place.


The other characteristics of this product can be summarized as: (1)H bond acceptors: 3; (2)H bond donors: 2; (3)Freely Rotating Bonds: 0; (4)Polar Surface Area: 35.53 ?2; (5)Exact Mass: 77.97732; (6)MonoIsotopic Mass: 77.97732; (7)Topological Polar Surface Area: 57.5; (8)Heavy Atom Count: 4; (9)Formal Charge: 0; (10)Complexity: 26.3; (11)Isotope Atom Count: 0; (12)Covalently-Bonded Unit Count:


Preparation of Silicic acid(H2SiO3): Adding a certain amount of sodium silicate (SiO2 22.9% ~ 39%, Na2O 8.6% ~ 14.6%) to the reaction kettle. And then adding a small amount of sulfuric acid to fully dissolve while stirring. Adding a certain amount of aluminum sulfate (Si / Al molar ratio 2:5). Diluted with water to the content of SiO2 of 0.5% to 1.0%. Finally, after stirring, we can get the product by motionlessness and aging with 1.5h.


Uses of Silicic acid(H2SiO3): It is used as coagulant and analytical reagent. It is also used as basic raw materials of powder cosmetics and and toothpaste.


When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes and respiratory system, so people should not breathe dust. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to contact this product, you must wear suitable protective clothing.

Article illustration


Company Profile Introduction

Hebei Yanxi Chemical Co. LTD., mainly produce the Carbomer940/980/u21 and lead acetate and lead oxide, lead stearate, lead salt, at the same time operating organic intermediates, surfactants, Food additive,inorganic salt, plant extracts, cosmetics raw material, etc., through long-term development, hebei said bush chemical co., LTD. In hebei province has become a collection of r &d, production, sales in the integration of high-tech enterprises.

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