Fumaric acid

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Product Name          
Fumaric acid 
Chemical Formula
C4H4O4
CAS NUMBER
110-17-8
Propertities
White odorless powder or crystalline solid particles, with speical sourness that is as strong as 1.5 times of citric acid. It is soluble in ethanol (5.76g/100g,30¡æ), slightly soluble in water (0.63g/100ml,25¡æ) and in ether, and very slightly soluble in chloroform. It has no hygroscopicity, and will sublime at 200¡æ. Boiling point: 290¡æ (decompose). It will turn to maleic anhydride at 230¡æ, and will generate DL-malic acid if boiled with water.
 
                                     SPECIFICATIONS
Appearance
White odorless powder or crystalline solid particles
Main content
                           99.5-100.5%
Heavy metal
                           10ppm max
As
                           3ppm max
Moisture
                           0.5% max
Melting range
                           286-302 cen deg  
Residue on ignition
                           0.1% max
Chroma ( in 5% ethanol)
                           15# max
Maleic acid
                           0.1% max
Solubility ( g/100g)
0.7 in 25cen deg water; 5.76 in 26cen deg ethanol ; 0.03 in 27 cen deg xylene
 
Usage
Fumaric acid has bacteriostatic and antiseptic function. It can be used as acidulant, acidity regulator, acidifier, thermal-oxidative resist auxiliary, curing accelerant and spice. Widly used in producing various carbonic acid drink, wine, concentrated solid drink, ice cream and other cold foods and drink. It can replace malic acid, citric acid, for its acidity degree is 1.5 times of that of citric acid. Fumaric acid can be used as pharmaceutical intermediate and optical bleaching agent, also used in manufacturing unsaturated polyester resin.
 
Package
25kg pp woven bag with inner film bag ;
1000kg pp woven bulk bag with innder film bag ;
Or at client request


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