- Min.Order :1 Kilogram
- Purity: 99%
- Payment Terms : L/C,T/T
Keywords
D-Alanine D-2-Aminopropionic acid CAS:338-69-2
Quick Details
- Appearance:White powder
- Application:Pharmaceutical Intermediate
- PackAge:25kg/drum
- ProductionCapacity:2000|Metric Ton|Year
- Storage:Store in cool and dry place, away from sun light.
- Transportation:By sea or by air
Superiority:
|
Product name |
D-Alanine |
|
Alias |
D-2-Aminopropionic acid; (R)-2-Aminopropionic acid; H-D-Ala-OH |
|
CAS NO |
338-69-2 |
|
EINECS No. |
206-418-1 |
|
Molecular formula |
C3H7NO2 |
|
Molecular weight |
89.09 |
|
Structural formula |
|
|
Product description |
•White crystal or crystalline powder, with special sweet taste. Easily soluble in water and formic acid, slightly soluble in ethyl alchol, specific rotation [20/D] -14.30~-15.30 (C=10, 6N HCL) |
|
Uses |
It functions as raw material for compounding new-model sweetening agent and some chiral drug intermediates. |
Details:
|
Item |
Standard |
Results |
|
Appearance |
A white to off-white powder |
Conforms |
|
differentiate |
To match with standard |
Consistent |
|
Transmittance |
≥98% |
Conforms |
|
Specific rotation(On dried basis) |
+33.0°~+35.0° |
+33.75° |
|
Loss on drying |
≤0.2% |
0.10% |
|
Chloride |
≤0.02% |
<0.02% |
|
Ammonium(NH4) |
≤0.02% |
<0.02% |
|
Iron(Fe) |
≤0.001% |
<0.001% |
|
Sulfate(So4) |
≤0.02% |
<0.02% |
|
Other amino acids |
Passed |
Conforms |
|
Residue on igaition |
≤0.10% |
0.05% |
|
Heavy metals(Pb) |
≤10ppm |
<10ppm |
|
PH |
5.4—6.0 |
5.72 |
|
Assay |
98.5%~101.5% |
99.43% |
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