Description

Calcium Tetraboron Heptaoxide is an inorganic boron compound with the chemical formula CaB4O7. This material serves as a critical source of boron in various industrial processes, valued for its thermal stability and chemical inertness. It is primarily utilized in the manufacturing of specialty glasses, ceramics, and as a fluxing agent in metallurgy.

Application

• As a key fluxing agent in metallurgical processes to lower melting points and remove impurities.
• In the production of borosilicate glass and other specialty glasses requiring high thermal and chemical resistance.
• As a raw material for manufacturing ceramic glazes and enamel frits.
• In the synthesis of other boron compounds and advanced ceramic materials.
• As a component in fire retardant formulations for polymers and textiles.
• For use in agricultural micronutrients as a controlled-release boron source.
• In nuclear applications as a neutron-absorbing material (in specific grades).
• As an additive in abrasives and grinding wheels.

Basic Information

Product Name	Calcium Tetraboron Heptaoxide
CAS No.	12007-56-6
Molecular Formula	CaB4O7
Molecular Weight	195.29 g/mol
Synonyms	Calcium Borate; Calcium Tetraborate; Diboron Calcium Heptaoxide; Calcium Boron Oxide; Anhydrous Calcium Borate; Boric Acid, Calcium Salt; Tetraboric Acid, Calcium Salt
EINECS	234-511-8

Quality Control

Our Calcium Tetraboron Heptaoxide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). The product is hygroscopic (moisture-sensitive) and should be kept away from sources of moisture and incompatible materials such as strong acids.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (as CaB4O7)	≥ 98.0 %
Loss on Drying	≤ 2.0 %
Calcium (Ca) Content	20.0 - 22.0 %
Boron (B) Content	21.0 - 23.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Particle Size (D50)	Contact for details

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