Description

2-Keto-D-Gluconic Acid Hemicalcium Salt is a high-purity calcium salt derivative of 2-keto-D-gluconic acid, a key intermediate in biochemical pathways. This compound is valued for its role as a versatile chelating agent and a stable source of calcium in specialized formulations. It is primarily utilized by manufacturers in the pharmaceutical, food fortification, and advanced chemical synthesis industries seeking precise and bioavailable calcium integration.

Application

• Pharmaceutical Intermediates: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly in vitamin C and calcium supplement production pathways.
• Food & Beverage Fortification: Used as a nutritional additive and calcium source in functional foods, beverages, and dietary supplements.
• Biochemical Research & Reagents: Employed as a substrate or standard in enzymatic studies, metabolic research, and as a high-purity reagent for laboratory analysis.
• Chelating Agent: Functions as a mild chelator in various industrial and cosmetic formulations to stabilize products by binding metal ions.
• Animal Feed Additives: Incorporated into premium feed formulations to provide bioavailable calcium for livestock and poultry nutrition.

Basic Information

Product Name	2-Keto-D-Gluconic Acid Hemicalcium Salt
CAS No.	3470-37-9
Molecular Formula	C12H18CaO16 • xH2O
Molecular Weight	426.35 g/mol (Anhydrous)
Synonyms	2-Keto-D-gluconic Acid Calcium Salt; Calcium 2-Keto-D-gluconate; D-Gluconic Acid, 2-Keto-, Hemicalcium Salt; 2-Oxogluconic Acid Calcium Salt; 2-Ketogluconic Acid Hemicalcium Salt; KDG Calcium Salt; Calcium Ketogluconate
EINECS	222-441-5

Quality Control

Our 2-Keto-D-Gluconic Acid Hemicalcium Salt is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets stringent specifications for identity, purity, and composition. Certificates of Analysis (COA) documenting results for all critical parameters are provided to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking and degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Calcium Content	8.5 - 10.5 %
Loss on Drying	≤ 2.0 %
Residue on Ignition	≤ 0.1 %
Heavy Metals (as Pb)	≤ 10 ppm
Microbiological Analysis	Meets standard limits

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