Ethyl 2-methylacetoacetate

Ethyl 2-methylacetoacetate Basic information

Product Name:	Ethyl 2-methylacetoacetate
Synonyms:	2-methyl-3-oxo-butanoicaciethylester;Acetoacetic acid, 2-methyl-, ethyl ester;alpha-Methylacetoacetic ester;Ethyl 2-methyl-3-oxobutanoate;Ethyl 2-methyl-3-oxobutyrate;Ethyl alpha-acetylpropionate;Ethyl alpha-methylacetoacetate;Ethyl alpha-methylacetylacetate
CAS:	609-14-3
MF:	C7H12O3
MW:	144.17
EINECS:	210-179-9
Product Categories:	Building Blocks;C6 to C7;Miscellaneous Reagents;Carbonyl Compounds;Chemical Synthesis;Organic Building Blocks;Pharmaceutical Intermediates;Drug Intermediates;Organic acids;C6 to C7;Carbonyl Compounds;Esters;bc0001
Mol File:	609-14-3.mol

Ethyl 2-methylacetoacetate Chemical Properties

Melting point	-45 °C
Boiling point	187 °C (lit.)
density	1.019 g/mL at 25 °C (lit.)
refractive index	n20/D 1.418(lit.)
Fp	145 °F
storage temp.	Inert atmosphere,Room Temperature
solubility	Chloroform (Slightly), Methanol (Slightly)
pka	11.98±0.46(Predicted)
form	Liquid
color	Clear colorless to yellow
Specific Gravity	1.019
Water Solubility	IMMISCIBLE
BRN	1071742
LogP	1.063 (est)
CAS DataBase Reference	609-14-3(CAS DataBase Reference)
NIST Chemistry Reference	Butanoic acid, 2-methyl-3-oxo-, ethyl ester(609-14-3)
EPA Substance Registry System	Butanoic acid, 2-methyl-3-oxo-, ethyl ester (609-14-3)

Safety Information

Safety Statements	24/25
RIDADR	1993
WGK Germany	3
TSCA	Yes
HS Code	29182300

MSDS Information

Provider	Language
2-Methylacetoacetic acid ethyl ester	English
SigmaAldrich	English
ACROS	English
ALFA	English

Ethyl 2-methylacetoacetate Usage And Synthesis

Chemical Properties	clear colorless to yellow liquid
Uses	Ethyl 2-methylacetoacetate is used in Japp-Klingemann reaction to prepare hydrazones from beta-keto acid and aryl diazonium salts. It is used as a precursor involved in the synthesis of ethylpyruvate phenylhydrazone via reaction with benzenediazonium chloride.
Uses	Ethyl 2-methylacetoacetate is used as a substrate in the rhenium-catalyzed synthesis of multisubstituted aromatic compounds. It can be employed in the synthesis of coumarin derivatives via Pechmann condensation. It undergoes dehydration to yield conjugated alkynyl and allenyl esters. It is also used in the total synthesis of chlorotonil A, yangjinhualine A, (+)- and (?)-saudin.

Ethyl 2-methylacetoacetate Preparation Products And Raw materials

Raw materials	Sodium hydroxide-->Dimethyl sulfate-->Iodomethane-->Ethyl acetoacetate-->Butanoic acid, 2-methyl-2-nitro-3-oxo-, ethyl ester-->2,2-DIMETHYL-ACETOACETIC ACID ETHYL ESTER-->1-(3,5-DiMethyl-pyrazol-1-yl)-ethanone-->3-OXOHEXANEDIOIC ACID DIETHYL ESTER-->2-Thiazolidinethione, 3-acetyl- (9CI)-->3-Acetyl-2-oxazolidinone-->ISOPROPYLMAGNESIUM BROMIDE-->Ethyl acetate-->Ethyl propionate-->Methyl bromide
Preparation Products	2-AMINO-5,6-DIMETHYL-4-HYDROXYPYRIMIDINE-->3,4-DIMETHYLUMBELLIFERONE-->ETHYL 5-BENZYLOXYINDOLE-2-CARBOXYLATE-->BETA-METHYLLEVULINIC ACID-->2-Hydroxy-2-methyl-3-oxobutanoicacid-->5,6-DIMETHYLURACIL

Ethyl acetoacetate Ethyl 4,4,4-trifluoroacetoacetate Trinexapac-ethyl Ethanol Ethyl 4-chloroacetoacetate Tris(trimethylsilyl)phosphate 2-Hydroxyethyl methacrylate Ethylparaben Diethyl methylmalonate ISOXADIFEN-ETHYL Ethyl acetate Ethyl propiolate Ethyl acrylate Methyl acrylate Ethyl 2-methylacetoacetate Ethyl 2-ethylacetoacetate Ethyl 2-chloroacetoacetate Ethyl cyanoacetate

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