SODIUM GLUCONATE

Sodium gluconate
Sodium gluconate  is a chemical compound, salt of sodium and gluconic acid with the formula HOCH 2 (CHOH) 4 COONa, colorless crystals, soluble in water, food additive E576.

Physical characteristics: colorless crystals

Chemical formula: C6H11NaO7

Molecular weight: 218.14 g / mol

Container type, Plastic Bag

 It is a salt formed by gluconic acid and sodium. Colorless crystals dissolve in water. Non aggressive non toxic substance. Part of heavy metals. 

Areas of use:

-Paints, construction chemicals, pesticides, medicines, cleaners, food, metals and other auxiliary chemicals.

Physical properties 
Sodium gluconate forms colorless crystals.

Soluble in water and ethanol .

Application 
In industrial detergents 
Sodium gluconate and gluconic acid are used as complexing agents for bivalent or trivalent metal cations (Ca 2+ , Mg 2+ , Fe 3+ , Al 3+ ) in industrial alkaline cleaning solutions. 
They are particularly effective in this application, even when compared to agents such as NTA and EDTA . Gluconic acid and sodium gluconate are commonly used in liquid formulations 
in combination with other ingredients such as surfactants , sodium hydroxide, sodium silicate, and phosphates. Such formulations can be more effective due to synergy, arising from 
a combination of the properties of two or three components: Trisodium phosphate, used as a detergent , does not have complexing properties and in hard water can cause precipitation 
of calcium in the form of an insoluble phosphate salt. Sodium gluconate added to the solution reacts with calcium ions to form a soluble chelate compound. Surfactantsgenerally more
 effective in soft or demineralized water. Since it is very expensive to demineralize water, adding sodium gluconate to the formulation is an economical solution. Silicates complement
 the action of sodium hydroxide by imparting increased alkalinity and preventing corrosion. Sodium gluconate imparts synergy
 to these properties. Due to the combination of complexing, dispersing and anti-corrosive properties, high solubility and increased stability in a strongly alkaline environment, 
sodium gluconate is the best complexing agent for creating alkaline formulations.

Additive to concrete and building mixtures 
Sodium gluconate slows down the setting of concrete , lowers water content and improves plasticity even at low dosages. Its use contributes to obtaining concrete with increased strength 
after 28 days. The principle of action of sodium gluconate is based on several interrelated mechanisms: - Adsorption: Sodium gluconate is adsorbed on the surface of cement particles 
during hydration and prevents their contact with water, slowing down the setting. - Sedimentation (precipitation): in the aqueous phase, sodium gluconate interacts with calcium ions,
forming an insoluble and impermeable layer of calcium gluconate on the surface of the cement particles. This slows down hydration and lengthens the hardening time. The mechanical 
strength of the cement is increased under conditions favorable for the formation of long microcrystalline fibers. - Complexation: sodium gluconate isolates calcium ions, preventing 
the formation of crystal nuclei. - Dispersion: Sodium gluconate helps to disperse the cement particles in the mixture, reducing the effect of van der Waals forces and improving wetting.
 This increases the fluidity or allows the water content to be reduced. It is known that with a low water content,
 microcrystalline fibers of increased length are not required to bind all cement particles. This leads to an increase in the strength of the cement after 28 days. Thus, sodium gluconate
 increases plasticity and strength by reducing the water content in the mixture, and also slows down the hardening.

Cement additive for the oil industry 
Sodium Gluconate is used in the oil industry for cementing boreholes. Cementing serves for:

fixing the drill string relative to the sides of the well
drill string enclosures
protection of the drilling space against pressure fluctuations and corrosion
reduction of fluid loss through the permeable layer
According to American Petroleum Institute standards, there are several grades of cement used for this process. Some types of cements contain retardants, in these types of cements 
sodium gluconate can be injected directly into the cement. Another related application of sodium gluconate is in the treatment of a production well. Operating time, recoil can be 
reduced due to the formation of salts such as calcium sulfate or calcium carbonate, which reduce the geological permeability of gas and oil. In these cases, it is possible to use 
acid or alkali to destroy these formations. The addition of sodium gluconate to the working fluid can improve properties by keeping the salts dissolved. Related Uses: Preventing 
crystal growth. Sodium gluconate prevents the formation of salt and mineral deposits. Sodium gluconate is absorbed on the surface of the crystal and prevents its further growth. 
Thus, the size and number of crystals changes. Corrosion inhibitor. In an alkaline environment, especially in enriched borax, sodium gluconate is a good corrosion inhibitor for
 ferrous metals such as cast iron or steel.

Metallurgical applications 
In steel production and especially in aluminum production - sodium gluconate works as a well-known, quite effective chelating agent that binds metal ions and thereby prevents the 
deposition of aluminum hydroxide on surfaces, allows the sediment to be easily removed during filtration. When pickling steel - sodium gluconate prevents metal salt deposits from 
settling in the bath or on the sheets, thereby improving the condition of the metal surface. Etching of metals is aimed at either continuous dissolution of a thin layer from the 
metal surface - matt etching, or etching on the surface of only individual places - etching of drawings, letters. In the latter case, the metal surface is covered with a protective 
layer, on which a pattern is applied, cut with a sharp tool (needle) to the metal, so that

Application in the food industry 
Sodium gluconate in the food industry is a complexing agent and flavor enhancer (food additive designed to enhance taste sensations by increasing the sensitivity of the taste buds
 of the tongue). Sodium gluconate E-576, according to SanPiN 2.3.2.1078 - 01: "Food additives that do not have a harmful effect on human health when used for the manufacture of food" 
in accordance with the Resolution of the Chief State Sanitary Doctor of the Russian Federation of November 14, 2001 N 36 is allowed for application.

Sodium gluconate is an organic compound, the Sodium gluconatesodium salt of gluconic acid. Formula - NaC6H11O7, in structural form - HOCH2 (CHOH) 4COONa. The names are synonyms: sodium gluconate, sodium D-gluconate. It is obtained by processing cellulose.

Properties

Powder with fine crystals, colorless. Soluble in water, soluble in ethyl alcohol. Reacts easily with acids and alkalis.

Sodium gluconic acid is considered a harmless additive and is approved for use in the Russian Federation, the CIS countries and the European Union, although it has side effects. For example, it enhances not only taste, but also the feeling of hunger, stimulating a person to eat more than necessary. In addition, in large doses, the substance can cause allergies, headache, dizziness, irritation and rash on the skin, tachycardia, and increased sweating. With regular consumption, addiction develops, and food without this additive begins to seem bland.

Store the reagent in a ventilated, cool area.

Sodium gluconate used in industrial alkaline cleaning solutions. In this application, it is particularly effective, even when compared to agents such as NTA and EDTA. Sodium gluconate is commonly used in liquid formulations in combination with other ingredients such as surfactants, sodium hydroxide, sodium silicate, and phosphates. Such formulations can be more effective due to the synergism arising from the combination of the properties of two or three components: Trisodium phosphate, used as a detergent, does not have complexing properties and in hard water can precipitate calcium in the form of an insoluble phosphate salt. Sodium gluconate added to the solution reacts with calcium ions to form a soluble careless compound. Surfactants are generally more effective in soft or demineralized water. Since it is very expensive to demineralize water, adding sodium gluconate to the formulation is an economical solution. Silicates complement the action of sodium hydroxide by imparting increased alkalinity and preventing corrosion. Sodium gluconate imparts synergy to these properties. Due to the combination of complexing, dispersing and anticorrosive properties, high solubility and increased stability in a strongly alkaline environment, sodium gluconate is the best complexing agent for creating alkaline formulations.

Synonyms: monosodium salt, Sodium gluconate, Sodium D-gluconate, Sodium gluconate, D-gluconic acid sodium salt
English names: monosodium salt, Sodium Gluconate

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