Cloud Zoom small image
没食子酸/Gallic acid

没食子酸/Gallic acid

名称:没食子酸/Gallic acid 产品价格:¥1.00
可在线通过咨询了解详情
 
通过以下按钮进入下一步

Gallic acid anhydrous (CAS 149-91-7exists in white crystalline powder,soluble in water (11.5 mg/ml), ethanol, acetone, and Alcohol. Insoluble in chloroform. It is obtained from nutgalls and other plants or by the hydrolysis of tannic acid with sulfuric acid. Gallic acid . Gallic acid is commonly used in the pharmaceutical industry. It is used as a standard for determining the phenol content of various analytes by the Folin-Ciocalteau assay; results are reported in gallic acid equivalents. Gallic acid can also be used as a starting material in the synthesis of the psychedelic alkaloid mescaline.


Specification

 Item  Pharma grade  Food grade  Industrial grade
 Content, %  ≥99.7  ≥99.5  ≥99.0
 Loss On Drying, %  ≤5.0  ≤5.0  ≤10.0
 Residue on Ignition, %  ≤0.10  ≤0.10  ≤0.10
 Tannic acid, %  ≤1.0    
 Sulphate, ppm  ≤10.0    
 As, ppm  ≤3.0    
 Pb, ppm  ≤10.0    

Application

- Widely used in medicine, dyestuff, chemicals and organic synthesis, and also used for the analysis of rare metal.
- Has antibacterial effect, but in the treatment of bacillary dysentery.
- Have convergence, hemostatic, anti-diarrhea effect.
- Used as a preservative. To the preparation of pyrobitumen medium of gallic acid, medicine, ink, dye and explosion-proof agent, etc.
- Also used as a developer and detect free inorganic acid, dihydroxyacetone, alkaloid and metal such as analytical reagent.

- Has antibacterial effect, but in the treatment of bacillary dysentery.
- Have convergence, hemostatic, anti-diarrhea effect.
- Used as a preservative. To the preparation of pyrobitumen medium of gallic acid, medicine, ink, dye and explosion-proof agent, etc.
- Also used as a developer and detect free inorganic acid, dihydroxyacetone, alkaloid and metal such as analytical reagent.


Packing

25kg in fiber drum, 9tons in 20ft container