Description

L-Glucono-1,4-Lactone is a versatile organic compound belonging to the class of gluconolactones, serving as a key intermediate and functional ingredient in numerous industrial processes. Its primary value lies in its ability to act as a mild, non-toxic acidulant and chelating agent, which is crucial for controlling pH and sequestering metal ions in sensitive formulations. This product is essential for manufacturers in the food, pharmaceutical, and personal care industries seeking reliable, high-purity ingredients for applications ranging from leavening systems to mineral supplements.

Application

• Food Industry: Used as a slow-release acidulant in baking powders, dairy products (like tofu and cheese), and meat processing to control acidity and texture development.
• Pharmaceuticals: Employed as an excipient in effervescent tablets and powders, and as a mineral carrier in calcium and iron supplements due to its excellent bioavailability.
• Personal Care & Cosmetics: Functions as a pH adjuster, chelating agent, and mild exfoliant in skincare formulations, lotions, and cleansers.
• Industrial Cleaning: Acts as a descaling agent and metal sequestrant in alkaline cleaning formulations, effectively removing calcium deposits without corrosive damage.
• Agriculture: Utilized in certain fertilizer and animal feed additives as a source of gluconic acid for improved nutrient absorption.
• Technical Applications: Serves as a setting retarder in concrete, a plasticizer in gypsum, and a raw material in the synthesis of other gluconate derivatives.

Basic Information

Product Name	L-Glucono-1,4-Lactone
CAS No.	74464-44-1
Molecular Formula	C6H10O6
Molecular Weight	178.14 g/mol
Synonyms	Glucono-1,4-lactone; GDL; Glucono δ-lactone; D-Glucono-1,5-lactone; Gluconolactone; E575; INS 575; (3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-one
EINECS	238-420-4

Quality Control

Our L-Glucono-1,4-Lactone is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and compliance with relevant industry standards, including Food Chemical Codex (FCC) and USP-NF grades where applicable. Every shipment is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and safety parameters. We are committed to meeting the specific quality requirements of our global B2B partners, with documentation available to support regulatory needs for food, pharmaceutical, and industrial applications.

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); the original container must be kept tightly sealed after each use to prevent caking or degradation due to moisture absorption. Keep away from strong alkalis.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	98.0% min.
Specific Rotation	+60.0° to +67.0°
Loss on Drying	1.0% max.
Residue on Ignition (Sulfated Ash)	0.1% max.
Heavy Metals (as Pb)	10 ppm max.
Arsenic (As)	3 ppm max.
pH (1% Solution)	3.5 - 4.5

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