
Sodium gluconate
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Category:Food Additives MOQ:100KG Shipped directly from China
Introduction
Names and Identifiers
Name | Gluconic acid, sodium salt |
Synonyms | glonsen Developer,partB Sodium gluconate SODIUM GLUCONATE RE Gluconic Acid Sodium SODIUM GLUCONATE pure SODIUM GLUCONATE REAGENT Gluconic acid sodium salt GLUCONIC ACID SODIUM SALT Gluconic acid, sodium salt D-Gluconic acid, monosodium salt D-Gluconate sodium salt, D-Gluconic acid sodium salt sodium 2,3,4,5,6-pentahydroxyhexanoate (non-preferred name) 2,3,4,5,6-Pentahydroxycaproic acid sodium salt, D-Gluconate sodium salt, Sodium D-gluconate 2,3,4,5,6-Pentahydroxycaproic acid sodium salt, D-Gluconate sodium salt, D-Gluconic acid sodium salt, Sodium D-gluconate |
CAS | 527-07-1 |
EINECS | 208-407-7 |
InChI | InChI=1/C14H14O3.C6H12O7.Na/c1-8(2)7-11(15)12-13(16)9-5-3-4-6-10(9)14(12)17;7-1-2(8)3(9)4(10)5(11)6(12)13;/h3-6,8,12H,7H2,1-2H3;2-5,7-11H,1H2,(H,12,13);/q;;+1/p-1/t;2-,3-,4+,5-;/m.1./s1 |
Physico-chemical Properties
Molecular Formula | C6H13NaO7 |
Molar Mass | 220.15 |
Melting Point | 170-175 °C |
Specific Rotation(α) | [α]D20 +11~+13° (c=10, H2O) |
Water Solubility | Very soluble in water; sparingly soluble in alcohol; insoluble in ether. |
Solubility | Soluble in water (25 ℃,59g/100mL), slightly soluble in ethanol, insoluble in ether. |
Appearance | White bright yellow crystal |
Color | White to light beige |
Merck | 14,4456 |
BRN | 3919651 |
PH | 7.0-8.0 (100g/l, H2O, 20℃) |
Storage Condition | Store below +30°C. |
Stability | Stable. Incompatible with strong oxidizing agents. |
MDL | MFCD00064210 |
Physical and Chemical Properties | Properties: White crystalline granules or powder, very soluble in water, slightly soluble in alcohol, insoluble in ether. |
Use | Food additives, electroplating complexing agents, water quality stabilizers, printing and dyeing industry colorants, steel surface treatment agents |
Upstream Downstream Industry
Raw Materials | Sodium carbonate Dextrose Anhydrate Calcium Gluconate Sodium hydroxide |
Reference
Reference | 1. [IF=4.411] Datong Hu et al.Purification, Structural Characterization, and Anti-Inflammatory Effects of a Novel Polysaccharide Isolated from Orostachys fimbriata.Molecules. 2021 Jan;26(23):7116 |
Nature
white or pale yellow crystalline powder. There is a fragrant taste. The solubility in water is 60% at 20 °c, 85% at 50 °c, 133% at 80 °c, and 100 at 160% °c. Slightly soluble in alcohol, insoluble in ether. Heating to boiling in water will not decompose in a short period of time. The stability of the chelate with metal ions increases with the increase of pH value.
Preparation Method
in the industry, glucose-containing substances (e. G., grains) are used as raw materials, and sodium gluconate is prepared by fermentation method by first preparing gluconic acid from glucose and then neutralizing with sodium hydroxide. Gluconic acid can also be prepared from glucose by chemical oxidation or catalytic oxidation, but the yield is low and purification is difficult.
Use
sodium gluconate is a polyhydroxy acid type corrosion and scale inhibitor, which has excellent coordination ability to iron, calcium and copper plasma in aqueous solution, and many of the salts of these ions have a very good detergent effect. Not only has the function of scale inhibition, but also has the function of corrosion inhibition. It can be used for industrial circulating cooling water, water treatment in low-pressure boilers and water treatment in internal combustion engine cooling water systems. It can be combined with many corrosion inhibitors, and show synergistic effect, suitable for silicon, molybdenum, phosphorus, boron, tungsten, nitrite and some organic corrosion inhibitor series, sodium gluconate and organic carboxylic acid also have a good synergistic effect on corrosion inhibition. Is a green multi-functional water treatment chemicals. The composition of the alkaline cleaning formula can be used as a metal surface scale and rust removal, cement rapid setting of the inhibitor, textile processing aids and metal ion carriers.
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