4-Hydroxy-2-methylpyridine
4-Hydroxy-2-methylpyridine ??
???
174-176 °C(Solv: acetone (67-64-1))
?? ?
350-360 °C
??
1.120±0.06 g/cm3(Predicted)
?? ??
Inert atmosphere,Room Temperature
?? ?? (pKa)
5.36±0.18(Predicted)
??
?? ? ?? ??
?? ? ???? ?? (GHS)
????(GHS):
?? ?:
Warning
??·?? ??:
??
??·?? ??
?? ??
??
?? ?
?? ??
P- ??
H302
??? ???
?? ?? ?? - ??
?? 4
??
P264, P270, P301+P312, P330, P501
H315
??? ??? ???
????? ?? ?????
?? 2
??
P264, P280, P302+P352, P321,P332+P313, P362
H319
?? ?? ??? ???
?? ? ?? ?? ??? ??
?? 2A
??
P264, P280, P305+P351+P338,P337+P313P
H335
?? ???? ??? ? ??
?? ???? ?? - 1? ??;???? ??
?? 3
??
??????:
P264
?? ??? ?? ??? ????.
P264
?? ??? ?? ??? ????.
P270
? ??? ??? ??? ???, ???? ???? ???.
P280
????/???/???/?????? ?????.
P301+P312
??? ???? ??? ????(??)? ??? ????.
P302+P352
??? ??? ??? ?? ????.
P305+P351+P338
?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P321
(…) ??? ???.
P330
?? ?????.
P332+P313
?? ??? ??? ???? ??· ??? ????.
P362
??? ??? ?? ?? ?? ?????
P501
...? ??? / ??? ?? ???.
4-Hydroxy-2-methylpyridine C??? ??, ??, ??
??? ??
Yellow solid
??
2-Methyl-4-hydroxypyridine is used in the synthesis of novel indolizine compounds as inhibitors of phosphodiesterase IV. Also used in the preparation of 2-substituted imidazole ring compoiunds for treatment againast human African trypanosomiasis.
4-Hydroxy-2-methylpyridine ?? ?? ? ???
???
?? ??
4-Hydroxy-2-methylpyridine ?? ??
???( 158)?? ??
China 134
Germany 2
India 2
United Kingdom 2
United States 18
Global 158
4-Hydroxy-2-methylpyridine ?? ??: