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The physical and chemical property of 149-87-1 is provided by ChemNet.com
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   ChemNet > CAS > 149-87-1 DL-Pyroglutamic acid

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
?????????? ???????? ??????? 149-87-1
???????? ????????? ??? 205-748-3
???? ?????? 149-87-1 DL-Pyroglutamic acid
????? 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
?????? ??? ??????? ??????  Xi:Irritant;
??? ????????? R36/37/38:;
???? ????? S26:;
S37/39:;
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