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Methyl 2-chloroacetoacetate

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Methyl 2-chloroacetoacetate Basic information

Product Name:
Methyl 2-chloroacetoacetate
Synonyms:
  • 2-chloro-3-oxo-butanoicacimethylester
  • Methyl 2-chloro-3-oxobutanoate
  • Chloroacetoaceticacidmethylester
  • Butanoic acid, 2-chloro-3-oxo-, methyl ester
  • 2-chloro-3-oxo-butyric acid methyl ester
  • 2-Acetyl-2-chloroacetic acid methyl ester
  • Methyl 2-chloroacetoacetate,95%
  • 2-chloro acetylacetate
CAS:
4755-81-1
MF:
C5H7ClO3
MW:
150.56
EINECS:
225-286-6
Product Categories:
  • Building Blocks
  • C2 to C5
  • C2 to C5
  • Carbonyl Compounds
  • Chemical Synthesis
  • Organic Building Blocks
  • Carbonyl Compounds
  • Esters
Mol File:
4755-81-1.mol
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Methyl 2-chloroacetoacetate Chemical Properties

Melting point:
-33--32.7 °C (lit.)
Boiling point:
137 °C (lit.)
Density 
1.236 g/mL at 25 °C (lit.)
refractive index 
n20/D 1.446(lit.)
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)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
20/21/22-36/37/38-22
Safety Statements 
26-27-28-36/37/39-37/39
RIDADR 
UN 2810 6.1/PG 3
WGK Germany 
3
HazardClass 
8
PackingGroup 
III
HS Code 
29183000

MSDS

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Methyl 2-chloroacetoacetate Usage And Synthesis

Chemical Properties

CLEAR YELLOW LIQUID

Uses

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

Methyl 2-chloroacetoacetate Preparation Products And Raw materials

Preparation Products

Methyl 2-chloroacetoacetateSupplier

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