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purity:98%
Appearance:White crystalline granular or powder
| Product Name | Sodium gluconate |
| Synonym | Developer, partB; SODIUM GLUCONATE REAGENT; SODIUM GLUCONATE pure; D-Gluconate sodium salt, D-Gluconic acid sodium salt |
| CAS NO. | 527-07-1 |
| Appearance | White crystalline granular or powder |
| Purity | >= 98% |
| MF (Molecular Formula) | C6H11NaO7 |
| MW (Molecular Weight) | 218.14 |
Q1: What is the core difference between food‑grade and industrial‑grade sodium gluconate?
A1: Food‑grade sodium gluconate follows strict food‑safety standards with rigid control on heavy metals and impurities, and can be used as acidity regulator and taste improver in food processing. Industrial‑grade one focuses on chelating and retarding performance for construction and water treatment. Its impurity indexes only meet industrial requirements and should not be used for food‑related production.
Q2: Why does sodium gluconate cake and how to prevent it?
A2: Sodium gluconate is hygroscopic. It will absorb moisture from humid air and form lumps. Slight caking will not damage its chemical property, yet it will affect feeding and dissolving. Please keep packages tightly sealed and store the product in a cool, dry and ventilated warehouse to avoid high‑humidity surroundings.
Q3: What safety notes should we pay attention to during handling?
A3: Sodium gluconate is low‑risk under normal operation. Long‑term skin contact may cause slight dryness. Operators are advised to wear gloves and dust‑proof masks to avoid inhaling powder. In case of skin or eye contact, rinse thoroughly with running water. Please check the MSDS for full safety guidance before mass operation.
Q4: What factors will influence its retarding effect in concrete?
A4: Cement type, ambient temperature, dosage and water‑cement ratio will all affect the retarding performance. High temperature usually speeds up cement hydration and weakens retarding effect. It is recommended to run small‑scale tests with your local raw materials to confirm the proper dosage before formal construction.
Q5: Can sodium gluconate be mixed with other chemical additives?
A5: It is compatible with most common construction and water‑treatment additives. Still, unexpected precipitation or performance drop may happen when matching certain special components. A small‑batch compatibility test is required before large‑volume compounding.
Q1: How does sodium gluconate function in the concrete industry?
A1: It serves as a practical retarder and water‑reducing agent for ready‑mixed concrete. It can effectively slow down the hydration reaction of cement, reasonably prolong the setting time of concrete and improve the fluidity of concrete mixture. This performance avoids premature solidification during transportation and guarantees construction quality for long‑distance delivery of commercial concrete.
Q2: What role does sodium gluconate play in industrial circulating water treatment?
A2: It acts as an efficient chelating agent in circulating cooling water systems. It can combine with calcium, magnesium and other metal ions existing in water to inhibit the generation and deposition of scale. Meanwhile, it reduces corrosion risk of metal pipelines and equipment, supporting continuous and stable operation of the whole water‑circulating system.
Q3: Where can food‑grade sodium gluconate be applied in food processing?
A3: Qualified food‑grade sodium gluconate can be used as acidity regulator and flavor improver. It is widely added into beverages, baked pastries and low‑sodium food items. Apart from adjusting acid‑base balance, it also optimizes food texture and masks unpleasant bitter taste without bringing obvious extra flavor to finished products.
Q4: What is the specific usage of sodium gluconate in metal surface treatment?
A4: It is an important auxiliary for metal cleaning before plating or coating treatment. It can dissolve oxide scale and surface dirt attached to metal workpieces. Compared with strong acid cleaners, it will not cause excessive corrosion to metal substrates, providing clean and qualified surface conditions for follow‑up electroplating and painting procedures.
Q5: What are the main uses of sodium gluconate in cosmetics and daily‑chemical products?
A5: In cosmetic and daily‑chemical formulas, it works as a mild chelating ingredient. It captures trace metal impurities introduced from raw materials or production water. It stabilizes the whole formula system, reduces the risk of product deterioration and discoloration, and further extends the shelf‑life of skincare products and household cleaning agents.
Product manager: amber@coreychem.com
1.Package specification: 25kg per woven bag . We can offer customized packaging for large bulk orders.
2.Storage requirement: Keep sealed, store in cool, dry and ventilated warehouse. Protect from moisture, rain and direct sunlight.
3.Transportation requirement: Avoid mixing with strong oxidants during shipment. Prevent package breakage and moisture invasion.
4.Shelf life: 24 months under proper storage conditions.
