Description

Aluminate(8-), Hexaoxo[Sulfato(2-)]Di-, Calcium (1:4) is a specialized inorganic salt, also known as calcium sulfoaluminate. This compound is valued for its unique chemical structure, which combines aluminate and sulfate anions, offering specific reactivity and performance characteristics in advanced material synthesis. It serves as a critical precursor or additive in industries requiring high-performance cements, specialized ceramics, and controlled-setting inorganic binders. Its precise formulation ensures consistent results in applications where material integrity and specific chemical interactions are paramount.

Application

• Specialty Cement and Concrete Additives: Acts as a key component in expansive, rapid-setting, or shrinkage-compensating cements.
• Advanced Ceramics Production: Used as a precursor in the synthesis of high-alumina and sulfoaluminate-based ceramic materials.
• Inorganic Binders and Refractories: Employed in formulations for high-temperature binders, castables, and refractory linings.
• Waste Stabilization/Solidification: Utilized in processes for the chemical fixation of heavy metals or hazardous wastes.
• Construction Chemical Grouts: A component in specialty grouts and repair mortars requiring controlled expansion and early strength development.
• Research and Development: Serves as a reagent in material science research for developing new inorganic polymers and composites.

Basic Information

Product Name	Aluminate(8-), Hexaoxo[Sulfato(2-)]Di-, Calcium (1:4)
CAS No.	12004-11-4
Molecular Formula	Ca4Al6O16S
Molecular Weight	610.30 g/mol
Synonyms	Calcium Sulfoaluminate; Tetracalcium Trialuminate Sulfate; Ye'elimite; Klein's Compound; 3CaO·3Al2O3·CaSO4; C4A3$\bar{S}$ (Cement Chemistry Notation); Calcium Aluminium Oxide Sulfate
EINECS	Contact for details

Quality Control

Our production of Calcium Sulfoaluminate adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. The material is manufactured under controlled conditions, with quality verified against established internal specifications. Certificates of Analysis (COA) documenting key parameters such as phase composition, purity, and particle size distribution are provided with each shipment. We support customer audits and can tailor specifications to meet the requirements of specific applications and industry 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 material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance. Keep away from strong acids and strong bases.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (XRD)	Complies
Assay (as C4A3$\bar{S}$)	≥ 95.0 %
Loss on Ignition	≤ 2.0 %
Particle Size (D50)	5 - 25 µm
Insoluble Matter	≤ 0.5 %

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