Description

Silicic Acid CAS NO 7699-41-4 is a versatile inorganic compound widely utilized for its unique chemical and physical properties. It serves as a crucial precursor and additive in numerous industrial processes, valued for its ability to modify material characteristics and enhance performance. This product is essential for manufacturers in sectors including pharmaceuticals, food processing, and advanced material science.

Application

• As a desiccant and anti-caking agent in food and pharmaceutical powders.
• In the production of silica gels used for chromatography, catalysis, and as a drying agent.
• As a key raw material for manufacturing silicates and other silicon-based compounds.
• In the formulation of toothpaste and cosmetics as a mild abrasive and thickener.
• For water treatment applications to control metal ion concentrations.
• As a stabilizer and viscosity modifier in various industrial coatings and adhesives.
• In the ceramics and glass industries to influence thermal and chemical resistance.
• For research and development in nanotechnology and advanced material synthesis.

Basic Information

Product Name	Silicic Acid
CAS No.	7699-41-4
Molecular Formula	H₂SiO₃
Molecular Weight	78.10 g/mol
Synonyms	Monosilicic Acid; Orthosilicic Acid; Hydrated Silica; Silicon Hydroxide; SiO₂·nH₂O; Silica Gel Precursor; Kieselsäure (German); Acide Silicique (French)
EINECS	231-716-3

Quality Control

Our Silicic Acid is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and reliability. We provide comprehensive Certificates of Analysis (COA) detailing purity, assay, and impurity profiles. The product can be supplied to meet various industry standards, including technical, food-grade (FCC), and pharmaceutical (USP/EP) specifications upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	White to off-white powder or lumps
Identification (IR)	Conforms
Assay (as SiO₂)	≥ 95.0 %
Loss on Drying	≤ 5.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Arsenic (As)	≤ 3 ppm
pH (5% suspension)	3.5 - 5.5
Particle Size (Typical)	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.