Description

Boric Acid, Calcium Salt is an inorganic compound with the CAS registry number 12040-58-3. This material serves as a versatile source of both calcium and boron, two elements critical for a wide range of industrial and specialty chemical processes. It is particularly valued in sectors requiring flame retardancy, ceramic production, and glass manufacturing for its ability to modify material properties and enhance performance.

Application

• As a flame retardant synergist and smoke suppressant in polymers, textiles, and wood treatments.
• In the production of specialty glasses and ceramics, where it acts as a flux to lower melting temperatures and improve durability.
• As a raw material for the synthesis of other boron and calcium-based compounds used in various chemical processes.
• In the formulation of insulation materials and refractory products for high-temperature applications.
• For use in metallurgical fluxes to remove impurities during metal refining and welding operations.
• As a potential component in agricultural micronutrient supplements, providing a slow-release source of boron.

Basic Information

Product Name	Boric Acid, Calcium Salt
CAS No.	12040-58-3
Molecular Formula	CaB2O4 • xH2O
Molecular Weight	Contact for details
Synonyms	Calcium Borate; Calcium Diborate; Calcium Metaborate; Boric Acid (H2B4O7) Calcium Salt; Calcium Tetraborate; Colemanite (mineral form); Calcium Boron Oxide; UNII-9P5L8F9U4F
EINECS	234-909-7

Quality Control

Our Boric Acid, Calcium Salt is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistent composition, purity, and physical properties. Certificates of Analysis (COA) documenting key parameters such as assay, moisture content, and particle size distribution are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep the container tightly sealed to minimize exposure to atmospheric moisture. Separate from strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (as CaB2O4)	≥ 95.0%
Loss on Drying	≤ 5.0%
Particle Size (Mesh)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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