Certified Organic Citric Acid
CAS Number:77-92-9
EINECS:201-069-1
Chemical formula:C6H8O7
PACKING:25KG/BAG
Molecular weight:192.122
Xiamen Ditai Chemicals Co., Ltd. is one of the most reliable manufacturers and suppliers of certified organic citric acid in China. Welcome to buy high quality chemical products at competitive price from our factory.
CITRIC ACID
Specification
Citric acid is a ternary acid whose ionization constant at 25 °C is pK1=3.13; pK2=4.76; pK3=6.40. In biological systems with a pH of about 7, the two substances present are citrate ions and mono-hydrogen citrate ions.
It can be esterified on one or more of its three carboxylic acid groups to form any of a variety of mono-esters, diesters, triesters, and mixed esters.
|
Item name |
Citric acid Anhydrous |
|
Appearance |
Colorless or white crystals or powder, odorless and tastes |
|
Content (%) |
99.8 |
|
Light Transmittance (%) |
99.9 |
|
Moisture (%) |
0.1 |
|
Readily Carbonisablle Substance |
0.1 |
|
Sulphated Ash (%) |
﹤0.05 |
|
Chloride (%) |
﹤0.005 |
|
Sulphate (%) |
﹤0.01 |
|
Oxalate (%) |
﹤0.01 |
|
Calcium (%) |
﹤0.02 |
|
Iron (mg/kg) |
﹤5 |
|
Arsenic (mg/kg) |
﹤1 |
|
Lead (mg/kg) |
﹤0.5 |
Application
It is a kind of fruit acid, which can speed up the renewal of cutin, and is often used in lotions, creams, shampens, whitening products, anti-aging products, acne products and so on. it can be used as experimental reagent, chromatographic reagent and biochemical reagent in chemical technology. Used as a complexing agent, masking agent; To prepare buffer solution. The use of it or citrate as washing aid can improve the performance of washing products, can quickly precipitate metal ions, prevent pollutants from reattaching to the fabric, and maintain the necessary alkaline washing; Dispersion and suspension of dirt and ash; It can improve the performance of surfactants and is an excellent chelating agent. It can be used as a reagent to test the acid resistance of building ceramic tiles. Citric acid - Sodium citrate buffer is used for flue gas desulfurization. Citric acid-sodium citrate buffer solution is a very valuable desulphurization absorber because of its low vapor pressure, non-toxic, stable chemical properties and high SO2 absorption rate.
In the industrial production of it microbial fermentation method is used, and there are only a few valuable aspergillus and yeast, among which Aspergillus Niger is a competitive strain in the industry, and candida lipiolytica and monzorrhoeae are highly competitive in the yeast
Storage: Kept in dry, cool, and shaded place with original packaging, avoid moisture, store at room temperature.
Packaging: 25kg/bag or according to client request
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