Description

Whewellite is a naturally occurring calcium oxalate monohydrate mineral with the chemical formula CaC₂O₄·H₂O. This high-purity compound is valued for its consistent crystalline structure and chemical stability, making it a critical reference material and precursor in advanced industrial and research applications. It is essential for professionals in the fields of analytical chemistry, materials science, and industrial process development who require a reliable and well-characterized source of calcium oxalate.

Application

• Analytical Reference Standard: Primary use as a certified reference material (CRM) for calibrating instruments and validating analytical methods in laboratories.
• Materials Science Research: Serves as a model compound for studying biomineralization processes, crystal growth, and the formation of kidney stones.
• Industrial Process Studies: Used to investigate scaling and fouling mechanisms in industrial water systems, boilers, and heat exchangers.
• Geological & Mineralogical Studies: Acts as a key specimen for academic research and educational purposes in mineralogy.
• Specialty Chemical Synthesis: Functions as a precursor or intermediate in the development of advanced ceramic and catalytic materials.
• Quality Control: Employed in pharmaceutical and chemical manufacturing for impurity profiling and method development related to oxalate analysis.

Basic Information

Product Name	Whewellite
CAS No.	14488-96-1
Molecular Formula	CaC₂O₄·H₂O
Molecular Weight	146.11 g/mol
Synonyms	Calcium Oxalate Monohydrate; Calcium Oxalate (1:1) Monohydrate; Oxalic Acid, Calcium Salt, Monohydrate; Calcium Ethanedioate Monohydrate; CaOx-MON; Kidney Stone Mineral (Whewellite); Mineral Whewellite
EINECS	Contact for details

Quality Control

Our Whewellite is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and traceability. Each lot is characterized using advanced analytical techniques to confirm identity, purity, and crystalline phase. A comprehensive Certificate of Analysis (COA) detailing specific test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (CaC₂O₄·H₂O)	≥ 98.0%
Loss on Drying	≤ 12.5%
Heavy Metals (as Pb)	≤ 20 ppm
Water Insoluble Matter	≤ 0.5%
Phase Purity (XRD)	Monohydrate phase predominant

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