A5407812
Methyl acetoacetate , CP,98% , 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 |
| 500G | RMB40.80 | In Stock |
|
| 2.5KG | RMB170.40 | 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 |
| WGK Germany | 1 |
| RTECS | AK5775000 |
| Autoignition Temperature | 536 °F |
| TSCA | Yes |
| HS Code | 29183000 |
| Hazardous Substances Data | 105-45-3(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 3.0 g/kg (Smyth, Carpenter) |
