ChemicalBook Product Catalog Chemical Reagents Organic reagents Esters Methyl ester compound Methyl 2-chloroacetoacetate

Methyl 2-chloroacetoacetate

Methyl 2-chloroacetoacetate Basic information
Product Name:Methyl 2-chloroacetoacetate
Synonyms:2-chloro-3-oxo-butanoicacimethylester;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;2-CHLOROACETOACETIC ACID METHYL ESTER
CAS:4755-81-1
MF:C5H7ClO3
MW:150.56
EINECS:225-286-6
Product Categories:Building Blocks;C2 to C5;Carbonyl Compounds;Chemical Synthesis;Organic Building Blocks;C2 to C5;Carbonyl Compounds;Esters
Mol File:4755-81-1.mol
Methyl 2-chloroacetoacetate Structure
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.)
Fp 161 °F
storage temp. under inert gas (nitrogen or Argon) at 2-8°C
form Liquid
pka7.89±0.46(Predicted)
color Clear yellow
Water Solubility 50 g/L (20 ºC)
CAS DataBase Reference4755-81-1(CAS DataBase Reference)
NIST Chemistry ReferenceButanoic acid, 2-chloro-3-oxo-, methyl ester(4755-81-1)
EPA Substance Registry SystemMethyl 2-chloroacetoacetate (4755-81-1)
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 Information
ProviderLanguage
Methyl 2-chloroacetoacetate English
SigmaAldrich English
ACROS English
Methyl 2-chloroacetoacetate Usage And Synthesis
Chemical PropertiesCLEAR YELLOW LIQUID
UsesMethyl 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
Raw materialsEthyl 2-chloroacetoacetate-->Ethyl acetoacetate
Preparation ProductsMEVINPHOS
ETHYL 2-CHLORO-3-OXO-3-PHENYLPROPANOATE 1-phenylethyl 2-chloroacetoacetate Methyl Ethyl 4,4,4-trifluoroacetoacetate Acetoxyacetic acid Bensulfuron methyl METHYL 4-CHLOROACETOACETATE,Methyl omega-chloroacetoacetate,Methyl gamma-chloroacetoacetate,Methyl 4-chloroacetoacetate,97 % ACETYLSALICYLIC ACID METHYL ESTER Methyl acetoacetate Kresoxim-methyl Thiophanate-methyl METHYL 2-CHLORO-3-OXOPENTANOATE Methyl acrylate Methyl 2-chloroacetoacetate Methyl levulinate Ethyl 2-chloroacetoacetate METHYL THIOPHENE-2-CARBOXYLATE Ethyl 2-chloro-4,4,4-trifluoroacetoacetate
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