Molecular weight:89.09 CAS No.:302-72-7 DL-alanine is used as nutrition supplement and seasoning. It could improve the flavoring taste, enhance the sour of organic acid. And dl-alanine could be used in pickles,drinks and wine.|
No. |
Item |
Standard (USP24) |
Test Result |
|
1 |
Appearance: |
White crystalline powder |
Complied |
|
2 |
Transmittance: |
≥95.0% |
>95.0% |
|
3 |
Specific rotation: |
+14.3° --- + 15.2° |
14.8° |
|
4 |
Assay: |
98.5 - 101.5% |
99.50% |
|
5 |
Chloride(Cl): |
≤0.02% |
<0.02% |
|
6 |
Sulfate(SO42-): |
≤0.02% |
<0.02% |
|
7 |
Loss on drying: |
≤0.2% |
<0.2% |
|
8 |
Heavy metals(Pb): |
≤10 ppm |
<10 ppm |
|
9 |
Arsenic(As2O3): |
≤1 ppm |
<1 ppm |
|
10 |
Iron(Fe): |
≤10 ppm |
<10 ppm |
|
11 |
Ammonium(NH4+): |
≤0.02% |
<0.02% |
|
12 |
Residue on ignition: |
≤0.10% |
<0.10% |
|
13 |
PH: |
≤5.5 - 7.0 |
<5.5 - 7.0 |