Fumaric Acid
Purpose and Nature: Fumaric acid is an important organic—chemical raw material used mainly in the synthesizing pharmaceutics, unsaturated polyester resins, coatings, plasticizers, L-malic acid, L-aspartic acid, etc, also used as foodstuff additives.
Fumaric acid is a white crystalline powder with specifically acidulous and nonpoisonous. It can be dissolved in alcohol, a little in water, ethylether and acetric acid. Its specific density is of 1.635, melting point 286-302 Celsius system, boiling point 290 Celsius system (decomposition).
Quality Standards: Enterprise standard Q/TQY001-1999, in which Food Grade 1 correspon-ding to FCC IV-1996 standard.
CAS No.: 110-17-8
Molecular Formula: C4H4O4
Packing and Storage: With plastic woven lined with double-layer of PE bag; net 25kg per bag; kept in dry, shady and cool places. Storage time for 1year.
Quality Standards Q/TQY001-1999
|
Items |
Food Grade | |
|
grade 1 |
grade 2 | |
|
appearance |
white or light yellow crystalline powder | |
|
content(as dry) %min |
99.5 |
99.0 |
|
colority(APHA) max |
10 |
15 |
|
melting point |
287 |
283 |
|
moisture |
0.5 |
0.5 |
|
ash |
0.1 |
0.1 |
|
heavy metal(as pb) |
10.0 |
10.0 |
|
arsenic(as As) |
3.0 |
3.0 |
|
maleic acid |
0.1 |
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