5-(1-Hydroxyethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione
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5-(1-Hydroxyethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione ??? ???
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- ?? ??:
- 85920-63-4
- ???:
- 5-(1-Hydroxyethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione
- ???(??):
- idene)-2,2-dimethyL;Acetyl Meldrum's acid;Acetyl Michaelis Acid;Acetyl Michaelic Acid;Sitagliptin Impurity 155;Acetyl Meldrum’s Acid (AMA);5-(1-hydroxyethylidene) acetyl meldrum;5-(1-Hydroxyethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione;1,3-Dioxane-4,6-dione, 5-(1-hydroxyethylidene)-2,2-dimethyl-
- CBNumber:
- CB51073673
- ???:
- C8H10O5
- ??? ??:
- 186.16
- MOL ??:
- 85920-63-4.mol
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5-(1-Hydroxyethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione ??
- ???
- 83-84 °C
- ?? ?
- 385.9±42.0 °C(Predicted)
- ??
- 1.303
- ?? ??
- 2-8°C
- ?? ?? (pKa)
- 4.50±1.00(Predicted)
??
- ?? ? ?? ??
- ?? ? ???? ?? (GHS)
| ????(GHS): |
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| ?? ?: |
Warning |
| ??·?? ??: |
| ?? |
??·?? ?? |
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P- ?? |
| H302 |
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?? ?? ?? - ?? |
?? 4 |
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P264, P270, P301+P312, P330, P501 |
| H315 |
??? ??? ??? |
????? ?? ????? |
?? 2 |
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P264, P280, P302+P352, P321,P332+P313, P362 |
| H319 |
?? ?? ??? ??? |
?? ? ?? ?? ??? ?? |
?? 2A |
?? |
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P264, P280, P305+P351+P338,P337+P313P |
| H332 |
???? ??? |
?? ?? ?? ?? |
?? 4 |
?? |
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P261, P271, P304+P340, P312 |
| H335 |
?? ???? ??? ? ?? |
?? ???? ?? - 1? ??;???? ?? |
?? 3 |
?? |
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| ??????: |
| P261 |
??·?·??·???·??·...·????? ??? ????. |
| P280 |
????/???/???/?????? ?????. |
| P305+P351+P338 |
?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????. |
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5-(1-Hydroxyethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione C??? ??, ??, ??
5-(1-Hydroxyethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione ?? ?? ? ???
???
?? ??
5-(1-Hydroxyethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione ?? ??
???( 120)?? ??
5-(1-Hydroxyethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione ?? ??:
