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DL-Pyroglutamic AcidCAS号：149-87-1
DL-Pyroglutamic Acid分子式： C5H7NO3
DL-Pyroglutamic Acid英文名称： DL-Pyroglutamic acid
DL-Pyroglutamic Acid英文同义词： DL-2-Pyrrolidone-5-carboxylic acid; DL-5-Oxoproline; H-DL-Pyr-OH; DL-Proline, 5-oxo-; (+/-)-2-PYRROLIDONE-5-CARBOXYLIC ACID; 2-PYRROLIDONE-5-CARBOXYLIC ACID; (+/-)-2-PYRROLIDINONE-5-CARBOXYLIC ACID; 5-OXO-DL-PROLINE; DL-A-PYROGLUTAMIC ACID; DL-GLUTAMIC ACID LACTAM; 5-oxo-L-proline
DL-Pyroglutamic AcidEINECS号： 205-748-3
DL-Pyroglutamic Acid分子量： 129.114
DL-Pyroglutamic Acid熔点： 180-185℃
DL-Pyroglutamic Acid沸点： 453.1°C at 760 mmHg
DL-Pyroglutamic Acid密度： 1.79E-09mmHg at 25°C
DL-Pyroglutamic Acid闪点： 227.8°C
|
Items |
Standard |
|
Appearance |
White crystalline powder |
|
Assay |
99.0-101.0% |
|
Melting Point(ºC) |
160.0 to 162.0ºC |
|
Chloride(C1) |
Not more than0.02% |
|
Ammonium(NH4) |
Not more than0.02% |
|
Sulfate(SO4) |
Not more than 0.02% |
|
Heavy metals(Pb) |
Not more than 10ppm |
|
Iron(Fe) |
Not more than 10ppm |
|
Arsenic(As2O3) |
Not more than 1ppm |
|
Loss on drying |
Not more than 0.50% |
|
Residue on ignition |
Not more than0.1% |
氨基酸及其衍生物
