| ≥1 piece |
1:CAS No.:56-85-9
2:Assay:98.5%-101.5%
3Used in food and medicine .
Specification of L-Glutamine
Standard : AJI
L-Glutamine CAS: 56-85-9
(S)-2-Aminoglutaramic Acid
C 5 H 10 N 2 O 3 Formula wt 146.15
Description
White crystals or crystalline powder; slightly characteristic taste.
Soluble in water, practically insoluble in ethanol and in ether.
Solubility(H 2 O, g/100g): 3.73(25°), 6.57(40°), 11.2(60°).
Specification
| Item | Limit |
| Specific rotation[ α ] 20° D | +34.2 to +36.2° |
| State of solution(Transmittance) | Clear and colorless, not less than 98.0% |
| Heavy metals (Pb) | Not more than 10ppm |
| Sulfate(SO 4 ) | Not more than 0.02% |
| Iron(Fe) | Not more than 10ppm |
| Arsenic (As 2 O 3 ) | Not more than 1ppm |
| Chloride (Cl) | Not more than 0.02% |
| Ammonium (NH 4 ) | Not more than 0.10% |
| Other amino acids | Conforms |
| Loss on drying | Not more than 0.30% |
| Residue on ignition (Sulfated) | Not more than 0.10% |
| Assay | 99.0 to 101.0% |
| pH | 4.5 to 6.0 |
| Pyrogen | Nonpyrogenic |
| CAS No.: |
56-85-9
|
Other Names: |
L-Glutamine
|
MF: |
C5H10N2O3
|
| Place of Origin: |
Ningxia China (Mainland)
|
Type: |
Other
|
Brand Name: |
Ansun
|
| Appearance: |
white crystalline powder
|