Description

Silicic Acid, Calcium Salt CAS NO 39433-03-9 is an inorganic compound formed from silicic acid and calcium. This material serves as a versatile source of bioavailable silicon and calcium, making it valuable for applications requiring controlled mineral release. It is primarily utilized in the agricultural, nutritional supplement, and specialty chemical manufacturing industries.

Application

• Agricultural Fertilizers & Soil Amendments: Acts as a slow-release source of silicon and calcium to strengthen plant cell walls, improve stress resistance, and enhance nutrient uptake.
• Animal Feed & Nutrition: Used as a mineral supplement in feed premixes to support bone health and metabolic functions in livestock.
• Dietary Supplements: Incorporated into human nutritional products as a source of essential minerals, silicon and calcium.
• Pharmaceutical Excipients: Can function as a binder, disintegrant, or flow aid in solid dosage form manufacturing.
• Industrial Fillers & Additives: Employed in ceramics, glass, and construction materials to modify properties like hardness and thermal stability.
• Water Treatment: Utilized in certain filtration and purification processes to adsorb specific contaminants.

Basic Information

Product Name	Silicic Acid, Calcium Salt
CAS No.	39433-03-9
Molecular Formula	CaO3Si
Molecular Weight	116.16 g/mol
Synonyms	Calcium Silicate; Calcium Metasilicate; Wollastonite (mineral form); Silicic Acid (H2SiO3), Calcium Salt (1:1); Calcium Monosilicate; EINECS 254-288-1; CI 77231
EINECS	254-288-1

Quality Control

Our Silicic Acid, Calcium Salt is produced under a stringent quality management system. Each batch undergoes rigorous testing to ensure it meets defined specifications for purity, composition, and physical properties. A Certificate of Analysis (COA) is provided with every shipment, detailing key parameters such as assay, heavy metal content, and loss on drying. We can support compliance requirements for various applications, including feed and food-grade standards.

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). This product is hygroscopic (moisture-sensitive); ensure containers are kept sealed to prevent absorption of atmospheric moisture, which can lead to caking or property changes.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (as CaO3Si)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Arsenic (As)	≤ 3 ppm
Lead (Pb)	≤ 10 ppm
Particle Size (Typical)	Contact for details

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