526-95-4
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Product Overview |
Gluconic Acid (GA, CAS No. 526-95-4) is a water-soluble organic carboxylic acid widely applied as biodegradable chemical intermediate in the manufacture of food additives, water treatment agents and metal surface-treatment materials.
Produced via aerobic fermentation of corn‑based D-glucose with Aspergillus niger, gluconic acid features low heavy metal content and minimal residual sugar. It can effectively chelate calcium, iron, copper and other metal ions and maintain stable performance under alkaline and high-temperature conditions, outperforming many conventional chelating agents such as EDTA. It is particularly suitable for the formulation of environment-friendly chelating agents for industrial cleaning and food-grade processing solutions.
Gluconic Acid can also be used in construction admixtures and detergent formulations, where its molecular structure delivers excellent chelating capacity, high water solubility, and good biological degradability. Compared with inorganic acids, GA shows much lower corrosivity and mild acidity, reducing damage to substrates during cleaning operations. Its fully biodegradable property greatly eases wastewater treatment pressure and meets strict environmental regulations in global markets. Gluconic-acid-derived products are also adopted in selected pharmaceutical excipients, textile printing-and-dyeing and cosmetic raw-material applications.
Technical Specifications |
Item | Specification |
Appearance | Light yellow or yellow transparent syrup liquid |
Identify | Compliance |
Gluconic acid assay(/%) | 50~52% |
Reducing substance(calculated by D-glucose)(/%) | ≤1.00 |
Sulfate (calculated as SO4)(%) | ≤0.2 |
Chloride (calculated as Cl)(/%) | ≤0.05 |
Ignition residue(/%) | ≤0.5 |
Lead(Pb)/(mg/kg) | ≤1 |
Arsenic(As)/(mg/kg) | ≤3 |
Packaging & Storage |
Packaging: 250kg/drum & IBC drum. Custom packaging can be discussed based on order quantity and transportation requirements.
Storage: Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Storage & Handling Notes
For liquid Gluconic Acid aqueous solution, prolonged exposure to high temperature, direct sunlight or unclean storage conditions may cause color darkening and microbial growth.Store in tightly‑sealed containers, keep in a cool, dry and well‑ventilated warehouse. Avoid contact with strong alkalis and oxidizing agents. Prevent leakage to avoid corrosion of metal surfaces.
Shipping & Delivery |
Jinan, China
Immediately after payment
Qingdao / Tianjin / Shanghai / Ningbo
Sample Support
Samples are available for evaluation before bulk orders. Shipment arrangements depend on destination and applicable transportation requirements.
Factory & Quality Control |
Consistent quality control for each production batch.
Technical documents available upon request.
Samples available for product evaluation.
Custom specifications available upon request.
View Factory & Quality Control → View Technical Documents →
Applications |
Applications of Gluconic Acid (GA)
Gluconic Acid (GA, CAS 526-95-4) is a water-soluble organic carboxylic acid widely used as a biodegradable building block in chelating agent, food additive and cleaning formulation manufacturing. Its molecular structure makes it particularly suitable for eco-friendly industrial cleaning, food-grade processing solutions, and selected high-performance water treatment systems.
Chelating Agents & Industrial Cleaners
Gluconic Acid is commonly used in the production of biodegradable chelating agents for industrial cleaning formulations. Its unique molecular structure delivers excellent metal-ion sequestering capacity, high water solubility, and good formulation compatibility, making it suitable for metal surface-treatment applications.
Typical application areas include:
Industrial heavy-duty cleaning agents
Metal surface treatment & passivation
Circulating water scale & corrosion inhibitors
Food-grade equipment cleaning solutions
Food Additives & Beverage Formulations
Gluconic Acid can be applied in systems designed for food-grade acidity regulators, beverage and food processing. Gluconic-acid-based formulations may provide a useful balance of mild acidity and safety performance, including pH adjustment, mineral solubilization, and taste buffering.
It is particularly suitable for formulations where mild organic acidity, non-toxic property, and food-contact compliance are required.
Construction & Detergent Raw Materials
Gluconic Acid is also used as an acid component in concrete admixtures and household & industrial detergent products. These formulation systems are used in construction and daily-chemical applications requiring environmental-friendly and stable chelating performance.
Typical applications include:
Concrete retarder admixtures
Environment-friendly liquid detergents
Textile printing & dyeing auxiliaries
Cosmetic raw material intermediates
Pharmaceutical & Cosmetic Intermediate
Gluconic-Acid-derived systems can be used in pharmaceutical excipients and cosmetic applications, particularly where biocompatibility and low-irritation performance are important performance considerations.
The final performance of Gluconic Acid in any formulation system depends on the complete formulation, component ratio, processing conditions, pH environment, and intended end use. Customers should evaluate product suitability according to their specific formulation and application requirements.
FAQ |
A: Gluconic acid (50–52% aqueous solution) is mainly used as a biodegradable chelating agent in industrial and food-contact cleaning formulations, as an acidity regulator in food and beverage processing, as a set-retarding component in concrete admixtures, as a scale and corrosion inhibitor in circulating water systems, and as an intermediate in textile, cosmetic and pharmaceutical-excipient applications.
A: We offer international express for small parcels under 25 kg, FCL/LCL sea freight for drum and IBC shipments from Qingdao/Tianjin/Shanghai/Ningbo, and air freight for urgent orders. Gluconic acid solution is transported as a low-corrosivity liquid; our logistics partner prepares the necessary MSDS and shipping documents for smooth customs clearance.
A: We respond within 24 hours and provide technical, order, and logistics support throughout the cooperation process.