| ≥1 piece |
1:CAS No.:74-79-3
2:Purity:99.0-101.0%
Specification of L-Arginine
Standard : AJI
L-Arginine CAS: 74-79-3
(S)-2-Amino-5-guanidinovaleric Acid
C 6 H 14 N 4 O 2 Formula wt 174.20
Description
White crystals or crystalline powder; slightly sweet taste. Freely soluble in water.
Solubility(H 2 O, g/100g): 14(20°), 31.9(40°), 64.0(60°).
Specification
| Item | Limit |
| Specific rotation[ α ] 20° D | +26.9 to +27.9° |
| State of solution(Transmittance) | Clear and colorless, not less than 98.0% |
| Heavy metals (Pb) | Not more than 10ppm |
| Arsenic (As 2 O 3 ) | Not more than 1ppm |
| Chloride (Cl) | Not more than 0.02% |
| Iron(Fe) | Not more than 10ppm |
| Ammonium (NH 4 ) | Not more than 0.02% |
| Other amino acids | Chromatographically not detectable |
| Loss on drying | Not more than 0.5% |
| Residue on ignition (Sulfated) | Not more than 0.10% |
| Assay | 99.0 to 101.0% |
| pH | 10.5to 12.0 |
| Pyrogen | Nonpyrogenic |
| CAS No.: |
74-79-3
|
Other Names: |
L-Arginine Base
|
MF: |
C6H15N4O2
|
| Place of Origin: |
Ningxia China (Mainland)
|
Type: |
Other
|
Brand Name: |
Ansun
|
| Appearance: |
white crystals or crystalline powder
|