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  • Trimethylchlorosilane (TMCS)  CAS :75-77-4

    Trimethylchlorosilane (TMCS) CAS :75-77-4

    Name: Chlorotrimethylsilane CAS number: 75-77-4 Molecular formula: C3H9ClSi Molecular weight: 108.64 EINECS number: 200-900-5 Mol file: 75-77-4.mol

  • Trimethylethoxysilane CAS :1825-62-3

    Trimethylethoxysilane CAS :1825-62-3

    Name: Ethoxytrimethylsilane CAS number: 1825-62-3 Molecular formula: C5H14OSi Molecular weight: 118.25 EINECS number: 217-370-6 Mol file: 1825-62-3.mol

  • Dimethyldimethoxysilane CAS1112-39-6 DMDMS

    Dimethyldimethoxysilane CAS1112-39-6 DMDMS

    Specification English name: Dimethyldimethoxysilane CAS number: 1112-39-6 Molecular formula: C4H12O2Si Molecular weight: 120.22 EINECS number: 214 189 4 Mol file: 1112-39-6.mol Applications As a structural control agent, chain extender, and filler treatment agent, it is widely used in the treatment of organic silica gel and white carbon black Purpose As a structural control agent, chain extender, and filler treatment agent, it is widely used in the treatment of organic silica gel and white carbon black. This product is used as a structural control agent and chain extender to improve mechanical processing performance, extend the storage time of rubber blends, and can replace hydroxyl silicone oil for use. Widely used in the treatment of organic silicone and white carbon black Purpose Dimethyldimethoxysilane is used as a structural control agent and chain extender to improve mechanical processing performance, extend the storage time of rubber blends, and can replace hydroxy silicone oil....

  • Iodotrimethylsilane CAS:16029-98-4 (TMIS)

    Iodotrimethylsilane CAS:16029-98-4 (TMIS)

    Properties of trimethyliodosilane Melting point<0 ° C Boiling point 106 ° C (lit.) Density 1.406 g/mL at 25 ° C (lit.) Refractive index n20/D 1.471 (lit.) Flash point − 25 ° F Storage conditions -20 ° C Solubility Reacts Form Liquid Specific gravity 1.47 Clear colors to reddish Water solubility reactions Sensitivity: Moisture&Light Sensitivity Hydrolysis sensitivity 8: Reacts quickly with moisture, water, protoc solvents BRN 1731136 Stability Sensitivity (Reactive) InchiKey CSRZQMIRAZTJOY-UHFFFFAOYSA-N CAS Database 16029-98-4 (CAS DataBase Reference) NIST Chemical Information Iodotrimethylsilane (16029-98-4) EPA Chemical Information Silane, iodotrimethyl - (16029-98-4)

  • Hexamethyldisilane CAS:1450-14-2 (HMD)

    Hexamethyldisilane CAS:1450-14-2 (HMD)

    Properties of Hexamethyldisilane Melting point 9-12 ° C (lit.) Boiling point 112-114 ° C (lit.) Density 0.715 g/mL at 25 ° C (lit.) Refractive index n20/D 1.422 (lit.) Flash point 29 ° F Storage conditions Store at<=20 ° C Sol common organic solvents; Insul H2O Form liquid Specific gravity 0.729 Colorless Insoluble in water Double in alcohol, ether and acetone Hydrolysis sensitivity 1: no significant reaction with acute systems BRN 1633463 Stability InchiKey NEXSMEBSBIABKL-UHFFFAOYSA-N CAS Database 1450-14-2 (CAS DataBase Reference) NIST Chemical Substance Information Disilane, hexagonal - (1450-14-2) EPA Chemical Substance Information Disilane, hexagonal - (1450-14-2)

  • Hexamethyldisiloxane CAS:107-46-0

    Hexamethyldisiloxane CAS:107-46-0

    Introduction:  Hexamethyldisiloxane (silicone ether, MM sealing agent) is a colorless and transparent liquid that is prone to deliquescence. Insoluble in water, soluble in various organic solvents. Used as silicone oil, silicone rubber, pharmaceuticals, gas chromatography stationary liquids, analytical reagents, hydrophobic agents, etc. Obtained by hydrolysis of trimethylchlorosilane.  The physical properties of hexamethyldisiloxane  colorless and transparent liquids. Easily deliquescent, flammable, and in contact with high heat, open flames, and strong oxidizing agents, there is a risk of combustion. Boiling point 99.5 ℃. Flash point -1.1 ℃. Relative density (d2525) 0.7606. The refractive index is 1.3750. Insoluble in water, soluble in various organic solvents.  Hexamethyldisiloxane is an important primary organic silicon raw material, often used as a capping agent in the production of silicone oil, or as a cleaning agent for silicone rubber, pharmaceuticals, gas c...

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Anhui Techchem Industrial Co.,Ltd. will participate in the Shanghai CPHI China 2026 exhibition.

Anhui Techchem Industrial Co.,Ltd. will participate in the Shanghai CPHI China 2026 exhibition.

Anhui Techchem Industrial Co.,Ltd. will participate in the Shanghai CPHI China 2026 exhibition. The 24th CPHI China 2026 will grandly kick off at the Shanghai New International Expo Center from June 1...

Application of citric acid in food industry
2023-06-29


Citric acid is the first organic acid, soluble in water, is a natural preservative and food additive. According to the different water content, it can be divided into monohydrate citric acid and anhydrous citric acid. Due to the physical properties, chemical properties, derivatives properties, is widely used in food, medicine, daily chemical industry and other most important organic acids.


Because citric acid has a mild and refreshing sour taste, it is mainly used as a food additive in carbonated drinks, fruit juice drinks, lactic acid drinks and other cool drinks and pickled products, and its demand varies with the change of seasonal climate. Citric acid accounts for about 2/3 of the total consumption of the acid flavor agent. Adding citric acid to canned fruits can preserve or improve the flavor of stored fruits, increase the acidity of some fruits with low acidity (lower pH), reduce the heat resistance of microorganisms and inhibit their growth, and prevent bacterial canning and destruction that often occur in canned fruits with low acidity. The addition of citric acid as a sour flavor agent in candy is easy to harmonize with the fruit flavor. The use of citric acid in gel food such as sauce and jelly can effectively reduce the negative charge of pectin, so that the hydrogen bond between pectin molecules to gel. In the processing of canned vegetables, some vegetables are alkaline reaction, with citric acid as pH adjustment agent, not only can play the role of seasoning, but also can maintain its quality. Citric acid has the properties of chelating and regulating pH value, which can increase the performance of antioxidant, inhibit enzyme activity and prolong the shelf life of food in the processing of frozen food.

Citric acid monohydrate is mainly used as an acid flavoring agent for cool drinks, fruit juice, jam, fruit candy and cans, and can also be used as an antioxidant in cooking oil. At the same time improve the sensory properties of food, enhance appetite and promote the digestion and absorption of calcium and phosphorus in the body.

Anhydrous citric acid is used in large quantities in solid beverages. Citric acid salts such as calcium citrate and ferric citrate are fortifiers that require the addition of calcium and iron ions to some foods. The ester of citric acid such as triethyl citrate can be used as non-toxic plasticizer, manufacturing food packaging with plastic film, is the beverage and food industry acid flavor agent, preservative.
 
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