Description

D-Xylonic Acid, Calcium Salt, Hydrate is a calcium chelate of the sugar acid, xylonic acid. This compound is valued for its role as a bio-based intermediate and a source of bioavailable calcium in specialized formulations. It serves critical functions in the pharmaceutical, nutraceutical, and advanced chemical synthesis sectors, where its specific chelated structure and purity are paramount for product performance and regulatory compliance.

Application

• Pharmaceutical Intermediates: Used in the synthesis of specialized active pharmaceutical ingredients (APIs) and prodrugs.
• Nutraceutical & Dietary Supplements: Serves as a source of bioavailable calcium in mineral-fortified formulations and functional foods.
• Biochemical Research: Employed as a substrate or standard in enzymatic studies and metabolic pathway research.
• Chelating Agent Precursor: Acts as a starting material for the development of novel, biodegradable chelating agents.
• Cosmetic Ingredients: Utilized in advanced skincare formulations for its potential skin-conditioning properties.
• Food Additive (Specialized): Potential application as a calcium source or stabilizer in specific food-grade products, subject to regulatory approval.

Basic Information

Product Name	D-Xylonic Acid, Calcium Salt, Hydrate
CAS No.	72656-08-7
Molecular Formula	C5H8CaO6 • xH2O
Molecular Weight	188.19 (Anhydrous basis)
Synonyms	Calcium D-xylonate hydrate; Xylonic acid, calcium salt, D-; Calcium (2R,3S,4R)-2,3,4,5-tetrahydroxypentanoate hydrate; Pentonic acid, calcium salt; D-Xylonic acid calcium salt; Calcium xylonate
EINECS	Contact for details

Quality Control

Our D-Xylonic Acid, Calcium Salt, Hydrate is produced and tested under a strict quality management system. Each batch is analyzed to ensure it meets rigorous specifications for identity, purity, and composition, suitable for high-value applications. Certificates of Analysis (COA) documenting key parameters such as assay, heavy metals, and loss on drying are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (Anhydrous basis)	≥ 98.0%
Loss on Drying	≤ 12.0 %
Heavy Metals (as Pb)	≤ 10 ppm
Calcium Content	Contact for details
Specific Rotation	Contact for details

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