105-45-3 - Names and IdentifiersNameMethyl acetoacetateSynonymsMAAACMHYL ACETOACETATEMethyl ace
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| Name | Methyl acetoacetate |
| Synonyms | MAA ACM HYL ACETOACETATE Methyl acetoacetate Methyl acetoacetaten ACETYL METHYL ACETATE methyl 3-oxobutanoate ACETOACETIC ESTER (METHYL) ACETOACETIC ACID METHYL ESTER Acetoacetic acid methyl ester 3-OXOBUTYRIC ACID METHYL ESTER 3-OXBUTANOIC ACID METHYL ESTER 3-OXOBUTANOIC ACID METHYL ESTER |
| CAS | 105-45-3 |
| EINECS | 203-299-8 |
| InChI | InChI=1/C5H8O3/c1-4(6)3-5(7)8-2/h3H2,1-2H3 |
| InChIKey | WRQNANDWMGAFTP-UHFFFAOYSA-N |
| Molecular Formula | C5H8O3 |
| Molar Mass | 116.12 |
| Density | 1.076 g/mL at 25 °C (lit.) |
| Melting Point | -80 °C (lit.) |
| Boling Point | 169-170 °C/70 mmHg (lit.) |
| Flash Point | 158°F |
| Water Solubility | 460 g/L (20 ºC) |
| Solubility | Soluble in water. |
| Vapor Presure | 1 hPa (20 °C) |
| Vapor Density | 4 (vs air) |
| Appearance | Transparent liquid |
| Color | APHA: ≤20 |
| Merck | 14,6009 |
| BRN | 506727 |
| pKa | 10.67±0.46(Predicted) |
| PH | 3.8 (863g/l, H2O, 20℃) |
| Storage Condition | 2-8°C |
| Sensitive | Easily absorbing moisture |
| Explosive Limit | 1.3-14.2%(V) |
| Refractive Index | n20/D 1.419(lit.) |
| MDL | MFCD00008784 |
| Physical and Chemical Properties | Characteristics of colorless transparent liquid, with aromatic flavor. melting point -80 ℃ boiling point 171.7 ℃ relative density 1.0762 refractive index 1.4184 flash point 70 ℃ solubility miscible with ethanol and ether, slightly soluble in water. |
| Use | For the pharmaceutical industry |
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36 - Irritating to the eyes |
| Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 1 |
| RTECS | AK5775000 |
| TSCA | Yes |
| HS Code | 29183000 |
| Toxicity | LD50 orally in rats: 3.0 g/kg (Smyth, Carpenter) |
| Raw Materials | Methyl alcohol diketene |
| Downstream Products | Methyl 3-oxopentanoate 2,4-Dihydroxy-6-methylpyrimidine Pirimiphos-methyl Diazinon Nifedipine Nitrendipine 2-Propylvaleric acid sodium salt |
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