Products Categories
CAS No.: | 541-50-4 |
---|---|
Name: | Acetoacetic Acid |
Article Data: | 121 |
Molecular Structure: | |
Formula: | C4H6 O3 |
Molecular Weight: | 102.09 |
Synonyms: | Acetoaceticacid (6CI,8CI); 3-Acetonedicarboxylic acid; 3-Ketobutyric acid; 3-Oxobutanoicacid; 3-Oxobutyric acid; Acetic acid, acetyl-; Acetonecarboxylic acid;Acetylacetic acid; Diacetic acid |
Density: | 1.182g/cm3 |
Melting Point: | 36-37° |
Boiling Point: | 237.7°Cat760mmHg |
Flash Point: | 111.8°C |
Hazard Symbols: | R36/37:Irritating to eyes and respiratory system.; |
Risk Codes: | R36/37; |
PSA: | 54.37000 |
LogP: | 0.05010 |
Conditions | Yield |
---|---|
With water at 90℃; Column which a srtongly acidic cation exchanger in the H+ form; | A n/a B 99.6% |
Conditions | Yield |
---|---|
With trifluoroacetic acid In dichloromethane at 0 - 20℃; | 87% |
With trifluoroacetic acid | 63% |
With trifluoroacetic acid Ambient temperature; | |
With water |
Conditions | Yield |
---|---|
With water; sodium hydroxide at 60℃; for 3h; | 80% |
With potassium hydroxide In water at 20℃; Inert atmosphere; | 22% |
With sodium hydroxide |
Conditions | Yield |
---|---|
Stage #1: acetoacetic acid methyl ester With sodium hydroxide; water at 20℃; for 18h; Stage #2: With ammonium sulfate Stage #3: With hydrogenchloride In water at 0℃; | 60% |
Stage #1: acetoacetic acid methyl ester With sodium hydroxide; water at 20℃; for 18.3333h; Stage #2: With hydrogenchloride; water at 0℃; | 60% |
With hydrogenchloride; sodium methylate 1.) MeOH, H2O, 8 h; Yield given; Multistep reaction; | |
With water; sodium hydroxide for 6h; Cooling; |
Conditions | Yield |
---|---|
In ethanol; benzene | 43% |
Conditions | Yield |
---|---|
beim Abbau durch Leberschnitte; |
acetonedicarboxylic acid
A
2-acetoacetic acid
B
methylammonium carbonate
C
acetone
Conditions | Yield |
---|---|
at 42℃; Rate constant; durch H+ sowie durch Kupfer(2+) und andere Metall-Ionen in wss. Loesung katalysierte Zersetzung; | |
at 22 - 45℃; Rate constant; durch Eisen(3+) katalysierte Zersetzung in wss. Loesung; | |
at 37 - 50℃; Rate constant; durch Eisen(3+) katalysierte Zersetzung in wss. Loesung; |
Conditions | Yield |
---|---|
in Gegenwart von Nieren- und von Leber-Enzympraeparaten; |
Conditions | Yield |
---|---|
in der Leber von Ratten; |
Conditions | Yield |
---|---|
With ammonium iron (II) sulfate; sulfuric acid; dihydrogen peroxide at 25℃; |