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L-精氨酸,L-ArginineCAS号:74-79-3
L-精氨酸,L-Arginine分子式: C6H14N4O2
L-精氨酸,L-Arginine英文名称: L-Arginine
L-精氨酸,L-Arginine英文同义词: (S)-2-Amino-5-guanidinopentanoic acid; H-Arg-OH; L-Arginine base; Arg; L-2-Amino-5-guanidinopentanoic acid; L(+)ARGININE; L(+)-Arginine; (2S)-5-{[amino(iminio)methyl]amino}-2-ammoniopentanoate
L-精氨酸,L-ArginineEINECS号: 200-811-1
L-精氨酸,L-Arginine分子量: 175.2084
L-精氨酸,L-Arginine熔点: 223-224℃
L-精氨酸,L-Arginine沸点: 409.1°C at 760 mmHg
L-精氨酸,L-Arginine密度: 7.7E-08mmHg at 25°C
L-精氨酸,L-Arginine闪点: 201.2°C
项 目 Item |
标 准 Specifications |
分 析 结 果 Test results |
|
外 观 Description |
白色结晶性粉末 white crystanlline powder |
白色结晶性粉末 white crystanlline powder |
|
氯化物,(CI) ≤ Chloride content(Ci) ** |
0.05% |
<0.05% |
|
重金属(以Pb计 ≤ Heavy metals(as Pb) ** |
0.0015 |
<0.0015 |
|
比旋度[α]D20 Specific rotation |
+26.3°~+27.7° |
+27.4° |
|
鉴别 Identification |
应符合规定 Conforms |
符合规定 Conforms |
|
有机挥发物 Organic volatile impurities |
应符合规定 Conforms |
符合规定 Conforms |
|
干燥失重, ≤ Loss on drying, ** |
0.50% |
0.49% |
|
灼烧残渣 ≤ Residue on ignition, ** |
0.30% |
0.04% |
|
硫酸盐 ≤ Sulfate(SO4-2) ** |
0.03% |
<0.20% |
|
铁盐(以Fe计), ≤ Iron (As Fe) ** |
0.003 |
<10ppm |
|
色层分离纯度 Chromatographic purity |
任何单个杂质 ≤0.5%; Not more than≤0.5% of any individual impurity is found 总杂质≤2.0% Not more than≤2.0%of total impurities Is found.
|
符合规定 Conforms |
|
含量 Assay |
98.5%~101.5% |
99.4% |
|
结论:本产品符合USP32版标准。 Conclusion:This product complies with USP32standard. |