A5407712
                    Methyl acetoacetate , 99% , 105-45-3
                            Synonym(s):
3-Oxobutanoic acid methyl ester;Acetoacetic acid methyl ester;MAA;Methyl 3-oxobutanoate, Methyl 3-oxobutyrate, Acetoacetic acid methyl ester;Methyl acetoacetate
                            
                        
                CAS NO.:105-45-3
Empirical Formula: C5H8O3
Molecular Weight: 116.12
MDL number: MFCD00008784
EINECS: 203-299-8
| Pack Size | Price | Stock | Quantity | 
| 100G | RMB24.80 | In Stock | 
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| 500G | RMB67.20 | In Stock | 
                                                 | 
                                        
| 2.5KG | RMB189.60 | In Stock | 
                                                 | 
                                        
| 10kg | RMB559.20 | In Stock | 
                                                 | 
                                        
| others | Enquire | 
Update time: 2022-07-08
                    PRODUCT Properties
| Melting point: | -80 °C (lit.) | 
                                    
| Boiling point: | 169-170 °C/70 mmHg (lit.) | 
                                    
| Density | 1.076 g/mL at 25 °C (lit.) | 
                                    
| vapor density | 4 (vs air) | 
                                    
| vapor pressure | 1 hPa (20 °C) | 
                                    
| refractive index | n | 
                                    
| Flash point: | 158 °F | 
                                    
| storage temp. | 2-8°C | 
                                    
| solubility | 460 g/L (20°C) | 
                                    
| form | Liquid | 
                                    
| pka | 10.67±0.46(Predicted) | 
                                    
| color | APHA: ≤20 | 
                                    
| PH | 3.8 (863g/l, H2O, 20℃) | 
                                    
| Odor | at 100.00 %. fresh fruity citrus green | 
                                    
| Odor Type | fruity | 
                                    
| explosive limit | 1.3-14.2%(V) | 
                                    
| Water Solubility | 460 g/L (20 ºC) | 
                                    
| Merck | 14,6009 | 
                                    
| BRN | 506727 | 
                                    
| InChIKey | WRQNANDWMGAFTP-UHFFFAOYSA-N | 
                                    
| LogP | 0.185 (est) | 
                                    
| CAS DataBase Reference | 105-45-3(CAS DataBase Reference) | 
                                    
| NIST Chemistry Reference | Butanoic acid, 3-oxo-, methyl ester(105-45-3) | 
                                    
| EPA Substance Registry System | Methyl acetoacetate (105-45-3) | 
                                    
Description and Uses
Methyl acetoacetate (MAA) is a starting material for the syntheses of alpha-substituted aceto- acetic esters and cyclic compounds, e.g. pyrazole, pyrimidine and coumarin derivatives.
Safety
| Symbol(GHS) | ![]() GHS07  | 
                                    
| Signal word | Warning | 
| Hazard statements | H319 | 
| Precautionary statements | P305+P351+P338 | 
| Hazard Codes | Xi | 
| Risk Statements | 36 | 
| Safety Statements | 26 | 
| RIDADR | NA1993 | 
| WGK Germany | 1 | 
| RTECS | AK5775000 | 
| Autoignition Temperature | 536 °F | 
| TSCA | Yes | 
| HazardClass | CBL | 
| HS Code | 29183000 | 
| Hazardous Substances Data | 105-45-3(Hazardous Substances Data) | 
| Toxicity | LD50 orally in rats: 3.0 g/kg (Smyth, Carpenter) | 
| Excepted Quantities | Non-Hazardous | 





