2-????,4-????-,??????
|
|
2-????,4-????-,?????? ??? ???
|
|
|
- ?? ??:
- 31555-04-1
- ???:
- 2-????,4-????-,??????
- ???(??):
- 2-????,4-????-,??????
- ???:
- 2-Butynoic acid, 4-hydroxy-, ethyl ester
- ???(??):
- ethyl 4-hydroxybut-2-ynoate;Ethyl-4-hydroxy-2-butynoate;2-Butynoic acid, 4-hydroxy-, ethyl ester
- CBNumber:
- CB62639093
- ???:
- C6H8O3
- ??? ??:
- 128.13
- MOL ??:
- 31555-04-1.mol
|
2-????,4-????-,?????? ??
- ?? ?
- 78 °C(Press: 0.5 Torr)
- ??
- 1.145±0.06 g/cm3(Predicted)
- ?? ?? (pKa)
- 13.14±0.10(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 |
?? |
|
|
|
| ??????: |
| P280 |
????/???/???/?????? ?????. |
| P305+P351+P338 |
?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????. |
|
2-????,4-????-,?????? C??? ??, ??, ??
2-????,4-????-,?????? ?? ?? ? ???
???
?? ??
2-????,4-????-,?????? ?? ??
???( 20)?? ??
| ??? |
?? |
??? |
?? |
?? ? |
?? |
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