Malic acid, which occurs in nature in three forms, D-malic acid, L-malic acid and DL-malic acid, is a white crystalline or crystalline powder with strong hygroscopic properties, soluble in water and ethanol, and has a particular pleasant sour taste.
| Items |
Standards |
| ASSAY(%) |
99.0-100.5 |
| MELTING POINT(ºC) |
127-132 |
| FUMARIC ACID ≤% |
1.0 |
| MALEIC ACID ≤% |
0.05 |
| WATER INSOLUBLES ≤% |
0.10 |
| SULPHATED ASH ≤% |
0.10 |
| HEAVY METALS ≤ppm |
20 |
| LEAD ≤ppm |
2 |
| ARSENIC ≤ppm |
2 |
| MERCURY ≤ppm |
1 |
| CHLORIDE ≤ppm |
100 |
| SPECIFIC ROTATION |
-0.1-+0.1 |
| RESIDUE ON IGNITION ≤% |
0.1 |
| Items |
Standards |
| CONTENT(C4H6O5) |
≥99.0% |
| APPEARANCE |
White crystals Special acidity |
| CLARIFY |
CLARIFIED |
| FUMARIC ACID |
0.1% MAX |
| MALEIC ACID |
0.05% MAX |
| RESIDUE ON IGNITION |
0.05% MAX |
| HEAVY METALS |
10PPM MAX |
| LEAD |
2PPM MAX |
| ARSENIC |
2PPM MAX |
| CHLORIDE |
0.004% MAX |
| SULFATE(SO4) |
0.02% MAX |
| SPECIFIC ROTATION |
-1.6~-2.6 |
L-Malic acid Mainly used as sour agent for food andbeverage, especially for jelly and fruit-based food and beverage. It has thefunction of maintaining the color ofnatural fruit juice. lt is also widely used in dairy beverage, ice cream and other food processing.
DL-Malic acid Used in refreshing beverage (such asLactobacillus beverage, milk beverage,soda, cola), frozen food (fruit dew, icecream, etc.). Uses also include as raw materials forpharmaceuticals, cosmetics, dentallotions, metal cleaners, buffers,coagulants in textile industry, andfluorescent whitening agents forpolyester fibers. |
1. What's your payment terms?
T/T or L/C.
2. What's your delivery time?
Usually we will arrange the shipment in 7 -15 days.
3. How about the packing?
Usually we provide the packing as 25 kg / bag or drum. Of course, if you have special requirements on them, we will according to you.
4. How about the validity of the products?
According to the products you ordered.
5. What documents you provide?
Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.
6. What is loading port?
Usually is Shanghai,Qingdao or Tianjin.
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