malic acid

Application: electronic chemical, solder activator

PRoduct name: malic acid 
Description: white crystal or crystalline powder, easily soluble in water, and ethyl alcohol. Has special pleasant odor. It is mainly used in food and pharmaceutical industries.

3.1 Application in food industry

3.2 Application in pharmaceutical industry

Product name ”Hydrozybutanedioic acid English name:
　　Malic Acid,MA Molecular formula: C4H6O5
[Structural formula]: HOOCCHOHCH2COOH
Abbreviated formula H2MA or H2Mi

Ionization equation

H2MA ==== H+ + HMA- K1====1.4*10^-3
HMA- ==== H+ + MA2- K2====1.7*10^-5
[ROH]2-(alcoholic hydroxyl group)====[RO]3- K3=5.2*10^-19 
 
CAS RN: 97-67-6
Molecular weight: 134.09
Molecular structure and propert

　　(1)D－malic acid:  
　　Density1.595, melting point101℃, decomposition point 140℃, specific rotation +2.92°(methyl alcohol), soluble in water

　　Methyl alcohol, ethyl alcohol, acetone.

　　(2)L－malic acid:  
　　Density 1.595, melting point 100℃, decomposition point 140℃, specific rotation -2.3°(8.5g/100ml water), easily soluble in water, methyl alcohol, acetone, dioxane, insoluble in benzene.

　　
Application and function

3.1 Application
Uses: the product can be widely used in beverage, candy, health product, frozen food as acid regulator; in medicine, cosmetics, metal detergent, buffer agent, textile, printing and dyeing a santicoagulant, etc.
Inventory control: 
First-in and first-out. To protect from damp. Shelf life is half a year. 
Note: the information is for reference only. 
Note: the information is for reference only.

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