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 building block in the synthesis of specialty chemicals and as a precursor in fermentation processes. It is primarily utilized by manufacturers in the pharmaceutical, food ingredient, and industrial biotechnology sectors for research and production.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and nutritional supplements.
• Food & Beverage Additive: Acts as a precursor for food-grade acids and mineral fortification agents.
• Biotechnological Production: Serves as a substrate or intermediate in microbial fermentation processes for organic acid production.
• Chemical Synthesis: Employed as a chiral building block for fine chemicals and specialty organic compounds.
• Research & Development: Used in biochemical research as a standard or reagent for metabolic studies.
• Cosmetic Ingredients: Potential use in the formulation of skin care products for its chelating properties.

Basic Information

Product Name	2-Keto-D-Gluconic Acid Hemicalcium Salt
CAS No.	304655-85-4
Molecular Formula	C12H18CaO16 (for the hemicalcium salt dimer)
Molecular Weight	426.35 g/mol (for the hemicalcium salt dimer)
Synonyms	Calcium 2-Keto-D-Gluconate; 2-Keto-D-Gluconic Acid Calcium Salt; D-Gluconic Acid, 2-Keto-, Hemicalcium Salt; 2-Oxogluconic Acid Hemicalcium Salt; 2-Ketogluconic Acid Calcium Salt; KDG Calcium Salt; 304655-85-4
EINECS	Contact for details

Quality Control

Our 2-Keto-D-Gluconic Acid Hemicalcium Salt is produced under a rigorous quality management system. Each batch is tested to ensure it meets high-purity standards suitable for pharmaceutical and food-grade applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

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). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking or degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Calcium Content	9.0% - 10.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%
Microbiological Control	Meets standard bioburden limits

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