L(+)-Glutamic acid
Molecular Structure:
MDL:
MFCD00002634
Molecular Formula:
C5H9NO4;HO2CCH2CH2CH(NH2)CO2H
Molecular Weight:
147.13
Alias:
L-2-氨基戊二酸;L-α-氨基戊二酸
L-Glutamic acid
(S)-2-Aminopentanedioic acid
Glu
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
L(+)-Glutamic acid |
99% |
100g |
RMB 38.5 |
Consulting service |
L(+)-Glutamic acid |
99% |
500g |
RMB 93.5 |
|
L(+)-Glutamic acid |
99% |
1kg |
RMB 176 |
Consulting service |
Character:
白色結(jié)晶性粉末、幾乎無(wú)臭 , 有特殊滋味和酸味。難溶于水,溶于12分水,1500分醇,40分二氧六環(huán),不溶于丙酮、氯仿、乙醇和乙醚、冷乙酸,極易溶于甲酸。200℃開(kāi)始升華,247-249℃分解。飽和水溶液的PH值約3.2。溶解度(g/100g 水);0.72(20℃),1.51(40℃),3.17(60℃),6.66(80℃)。
密度:1.538
熔點(diǎn):205 °C
Quality Standard:
外觀Appearance 白色粉末
紅外光譜鑒別Infrared spectrometry 和對(duì)照品匹配
純度Purity ≥99% (以干基計(jì))
干燥損失Loss on drying <0.5 % (105°C, 3 小時(shí))
重金屬Heavy metals (as Pb) <10 ppm
硫酸鹽灰分Sulfated ash <0.1 %
其它氨基酸Other amino acids 未檢測(cè)到
比旋度Specific rotation [a]20/D +30.5°~ +32.5°(以干基計(jì)) (c=10, 2N HCl)
痕量分析Trace analysis :
Cl < 200 ppm
Fe < 30 ppm
SO4 < 300 ppm
NH4 < 200 ppm
As2O3 < 1 ppm
Storage:
密封保存。
用途 生化研究。