Description

Tetraaluminium Calcium Heptaoxide is a high-purity inorganic compound with the chemical formula CaAl4O7. This specialized material is valued for its role as a key intermediate and performance additive in advanced ceramic and refractory formulations. It is primarily sought by manufacturers in the advanced ceramics, refractory materials, and inorganic chemical synthesis sectors for its ability to modify material properties and enhance thermal stability.

Application

• Advanced Ceramics Manufacturing: Acts as a precursor or sintering aid in the production of high-performance alumina and calcium aluminate ceramics.
• Refractory Materials: Used as a key component in formulations for high-temperature linings in furnaces, kilns, and reactors due to its thermal stability.
• Inorganic Synthesis: Serves as an intermediate for the synthesis of other complex aluminates and specialty inorganic compounds.
• Glass and Enamel Industries: Employed as a source of alumina and calcium oxide to modify the chemical resistance and thermal properties of glass batches and enamel frits.
• Catalyst Supports: Utilized as a stable, high-surface-area support material for certain heterogeneous catalysts.
• Electronic Materials: Investigated for use in dielectric layers and other electronic ceramic components.

Basic Information

Product Name	Tetraaluminium Calcium Heptaoxide
CAS No.	12004-88-5
Molecular Formula	CaAl4O7
Molecular Weight	302.96 g/mol
Synonyms	Calcium Dialuminate (CaAl4O7); Calcium Tetraaluminate; Calcium Aluminate (CaAl4O7); Tetracalcium Aluminate (obsolete); CA2 (in cement chemistry notation); Dicalcium Aluminate; 12CaO·7Al2O3 (alternative notation)
EINECS	234-455-8

Quality Control

Our Tetraaluminium Calcium Heptaoxide is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and compliance with customer specifications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as purity, phase composition, and particle size distribution. Our quality commitment aligns with industrial and technical grade standards to meet the rigorous demands of material science applications.

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 material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (XRD)	Complies (Calcium Aluminate phase)
Assay (CaAl4O7)	≥ 95.0 %
Loss on Ignition (LOI)	≤ 2.0 %
Particle Size (D50)	Contact for details
Specific Surface Area (BET)	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.