Description

D-Gluconic Acid, .Gamma.-Lactone is a versatile organic compound and the cyclic ester form of gluconic acid. This product is valued for its role as a mild acidulant, chelating agent, and intermediate in the synthesis of various derivatives. It is essential for manufacturers in the food, pharmaceutical, and personal care industries seeking a multifunctional, biodegradable ingredient.

Application

• Food & Beverage Industry: Used as a mild acidulant, pH regulator, and sequestrant in beverages, dairy products, and baked goods.
• Pharmaceutical Intermediates: Serves as a key chiral building block and excipient in the synthesis of active pharmaceutical ingredients (APIs).
• Personal Care & Cosmetics: Functions as a pH adjuster, chelating agent, and humectant in creams, lotions, and cleansers.
• Industrial Cleaning: Acts as a biodegradable chelating agent in metal cleaning and descaling formulations.
• Chemical Synthesis: Employed as a precursor for gluconate salts and other specialty chemicals.
• Agriculture: Used in certain formulations as a component for micronutrient chelates.

Basic Information

Product Name	D-Gluconic Acid, .Gamma.-Lactone
CAS No.	1198-69-2
Molecular Formula	C6H10O6
Molecular Weight	178.14 g/mol
Synonyms	D-Glucono-1,5-lactone; GDL; Gluconolactone; D-Glucono-δ-lactone; δ-Gluconolactone; E575; INS 575; Glucono Delta Lactone
EINECS	214-829-6

Quality Control

Our D-Glucono-δ-lactone is produced under strict quality management systems. We offer grades compliant with Food Chemical Codex (FCC) and pharmaceutical standards, ensuring suitability for sensitive applications. Every batch undergoes rigorous analytical testing, and a comprehensive Certificate of Analysis (COA) is available upon request to guarantee purity and consistency.

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); ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 99.0%
Specific Rotation	+60° to +67°
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Microbiological Analysis	As per grade requirement

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