149-87-1 DL-Pyroglutamic acid
?? ????? |
DL-Pyroglutamic acid |
?? ????? |
DL-Pyroglutamic acid; 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 |
????????? ??????? |
C5H7NO3 |
???? ???????? |
129.114 |
InChI |
InChI=1/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9)/t3-/m0/s1 |
???? CAS |
149-87-1 |
EINECS |
205-748-3 |
???? ???????? |
|
?????? |
1.38g/cm3 |
????? ????? |
180-185℃ |
????? ????? |
453.1°C at 760 mmHg |
???? ????? |
1.511 |
????? ???? |
227.8°C |
?????? ???? |
5.67 g/100 mL (20℃) |
??? ???? |
1.79E-09mmHg at 25°C |
Hazard ?????? |
Xi:Irritant;
|
??????? ???? |
R36/37/38:;
|
?????? ????? |
S26:;
S37/39:;
|
|