ChemicalBook >?? ???? >1,3,5????

1,3,5????

1,3,5???? ??? ???

?? ??:: 137-44-0

???:: 1,3,5????

???(??):: 1,3,5????

???:: 1,3,5PYRAZOLONE

???(??):: NSC 243823;5-PYRAZOLONE;1,3,5PYRAZOLONE;2-Pyrazolin-5-one;1H-pyrazol-5(4H)-one;1,4-dihydropyrazol-5-one;2,4-Dihydro-pyrazol-3-one;3H-Pyrazol-3-one, 2,4-dihydro-

CBNumber:: CB0174220

???:: C3H4N2O

??? ??:: 84.08

MOL ??:: 137-44-0.mol

?? ?? 76

1,3,5???? ??

???: 268℃

?? ?: 143-144℃ (0.3 Torr)

??: 1.44±0.1 g/cm3(Predicted)

?? ??: Sealed in dry,Room Temperature

??? ??: powder to lump

?? ?? (pKa): 13.06±0.20(Predicted)

??: ???? ?? ???

CAS ??????: 137-44-0

?? ? ?? ??
?? ? ???? ?? (GHS)

HS ??	2933.19.9000

????(GHS):

?? ?:

Warning

??·?? ??:

??	??·?? ??	?? ??	??	?? ?	?? ??	P- ??
H315	??? ??? ???	????? ?? ?????	?? 2	??		P264, P280, P302+P352, P321,P332+P313, P362
H319	?? ?? ??? ???	?? ? ?? ?? ??? ??	?? 2A	??		P264, P280, P305+P351+P338,P337+P313P

??????:

P264	?? ??? ?? ??? ????.
P264	?? ??? ?? ??? ????.
P280	????/???/???/?????? ?????.
P302+P352	??? ??? ??? ?? ????.
P305+P351+P338	?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P332+P313	?? ??? ??? ???? ??· ??? ????.
P337+P313	?? ?? ??? ???? ???? ??· ??? ????.

NFPA 704

	0
2		0

1,3,5???? C??? ??, ??, ??

1,3,5???? ?? ?? ? ???

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1,3,5???? ?? ??:

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