Potassium benzoate CAS: 582-25-2

Description:

Potassium benzoate, also known as potassium benzoate. The chemical formula KC7H5O2 · 3H2O. Molecular weight 214.26. White crystalline powder. Melting point 110 ℃ (loss of crystallization water). When heated to 110 ℃, it loses three molecules of crystalline water and becomes an anhydrous substance. Easy to dissolve in water, soluble in ethanol. The air is prone to weathering. Mainly used in fruit juice, carbonated beverages, artificial cream, artificial cream, and wine.

Application:

1. Used as a preservative in the food industry; Antimicrobial agents. Mainly used for margarine, thinned cream, and wine. Analytical reagents. Potassium benzoate is also used as a whistling agent for fireworks materials.

2.  As a preservative, prepare a sweetener composition, which comprises sweeteners selected from the following: sucralose, potassium acetylsulfonate, saccharin, aspartame, stevia extract, neotame, cyclohexylaminosulfonate, momordica grosvenorii extract, polyols and mixtures thereof; Preservatives; And acid. The above composition may also include solvents selected from the following: water, ethanol, glycerol, polyethylene glycol, polysorbide and their mixtures. The solvent can account for about 70% to about 99.5% of the total weight of the composition.
3. Prepare a liquid compound fertilizer. It contains the following components by weight percentage: potassium sorbate 1.00% -3.00%; Potassium benzoate 1.00% -3.00%; Potassium phosphate 1.00% -3.00%; Ammonium nitrate 5.00% -15.00%; Phosphoric acid 1% -5%; Magnesium chloride 0.50% -2.00%; Calcium chloride 0.50% -2.00%; Microcrystalline cellulose 3.00% -8.00%; Liquid paraffin 0.50% -1.00%; Water 50.00% -85.00%; Others are acid-base neutralizing solutions. The acid-base neutralization solution described is a 10% potassium hydroxide aqueous solution.

Considering the demand of plants for nitrogen, phosphorus, and potassium, and considering the solubility of the components in water, soluble salt components with a higher total amount of nitrogen, phosphorus, and potassium are selected, such as ammonium nitrate and potassium phosphate; Considering the demand of plants for calcium, magnesium, and phosphorus, soluble calcium and magnesium salts such as magnesium chloride and calcium chloride are selected, and microcrystalline cellulose and paraffin oil emulsification isolation are used to prevent the formation of insoluble salts between calcium salts and phosphates; In the later stage, excessive phosphoric acid is neutralized by potassium hydroxide to prevent its impact on soil acidity and alkalinity; By adding preservatives such as potassium sorbate and potassium benzoate, in addition to supplementing the normal potassium demand, it can also inhibit the growth of soil microorganisms and indirectly prevent soil pests.

Specification:

结论：合格（QUALIFIED)