| |
 |
 |
| L-Aspartic Acid |
|
|
|
|
| Chemical Name： |
L-2-Aminobutanedioic
acid |
|
Structure Formula：
|
 |
|
Molecular Formula：
|
C4H7NO4 |
|
Molecular Weight：
|
133.10
|
|
Cas No：
|
[56-84-8] |
|
Characteristics：
|
White crystals
or crystalline powder, having a slight acid taste. It is slightly
soluble in water, but insoluble in alcohol and in ethyl ether.It melts
at about 270 centigrade.
|
|
Quality
Standards：
|
FCCIV,AJI92 |
|
Item
|
Specifications
|
|
FCCIV
|
AJI92
|
|
Appearance
|
White crystals
or crystalline powder
|
|
Assay,
%
|
98.5~101.5
|
99.0~100.5
|
|
Specific
rotation
|
+24.5°~+26.0°
|
+24.8°~+25.8°
|
|
Loss
on drying , %
|
≤0.25
|
≤0.2
|
|
Transmittance,
%
|
-
- -
|
≥98.0
|
|
Ph
Value
|
-
- -
|
2.5~3.5
|
|
Chloride, %
|
-
- -
|
≤0.02
|
|
Ammonium (as NH4), %
|
-
- -
|
≤0.02
|
|
Sulfate
(as SO4), %
|
-
- -
|
≤0.02
|
|
Iron
(as Fe), %
|
-
- -
|
≤0.001
|
|
Heavy
Metals (as Pb), %
|
≤0.001
|
≤0.001
|
|
Lead,
%
|
≤0.0005
|
-
- -
|
|
Residue
on ignition, %
|
≤0.1
|
≤0.1
|
|
Other
amino acid
|
-
- -
|
Conforms
|
|
|
The
Characteristics and Uses：
|
L-Aspartic acid can be added into cool drinks
as nutrition supplement. It is used in medicine as ammoniac detoxicating
agent, hepar function accelerator or fatigue refresher. And it can
also be used in biochemical reagent, medium and intermediate in organic
synthesis. |
|
Package
and Transport：
|
25KG net in Plastic Woven Bag lined with PE bag,
18MT/20'FCL(on pallet) or 20MT/20'FCL(without pallet). |
|
Storage：
|
Store in a cool, dry place. Store in a tightly
closed container.Keep from contact with oxidizing materials. |
|
|
