Methyl 2-chloroacetoacetate
- CAS NO.：4755-81-1
- Empirical Formula: C5H7ClO3
- Molecular Weight: 150.56
- MDL number: MFCD00008757
- EINECS: 225-286-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-08-17 21:30:02
What is Methyl 2-chloroacetoacetate?
Chemical properties
CLEAR YELLOW LIQUID
The Uses of Methyl 2-chloroacetoacetate
Methyl 2-chloroacetoacetate was used in one-pot synthesis of 2-arylimidazole-4-carboxylic acids. It was also used in synthesis of 3,5-disubstituted 1,2,4-triazoles.
Synthesis Reference(s)
Synthesis, p. 188, 1987 DOI: 10.1055/s-1987-27886
Properties of Methyl 2-chloroacetoacetate
| Melting point: | -33--32.7 °C (lit.) |
| Boiling point: | 137 °C (lit.) |
| Density | 1.236 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 161 °F |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| form | Liquid |
| pka | 7.89±0.46(Predicted) |
| color | Clear yellow |
| Water Solubility | 50 g/L (20 ºC) |
| CAS DataBase Reference | 4755-81-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Butanoic acid, 2-chloro-3-oxo-, methyl ester(4755-81-1) |
| EPA Substance Registry System | Methyl 2-chloroacetoacetate (4755-81-1) |
Safety information for Methyl 2-chloroacetoacetate
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Methyl 2-chloroacetoacetate
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product: 4755-81-1 METHYL-2-CHLORO ACETOACETATE 98%
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