Diethyl ketomalonate

Diethyl ketomalonate Basic information

Product Name:	Diethyl ketomalonate
Synonyms:	2-Oxopropanedioic acid diethyl;2-Oxopropanedioic acid diethyl ester;Ketomalonic acid diethyl;Oxomalonic acid diethyl;Diethyl KETOMALONATE ester;Diethyl ketomalonate ,98%;Diethyl 2-oxomalonate 97%;Diethyl ketomalonate, (Diethyl mesoxalate
CAS:	609-09-6
MF:	C7H10O5
MW:	174.15
EINECS:	210-176-2
Product Categories:	Pharmaceutical Intermediates
Mol File:	609-09-6.mol

Diethyl ketomalonate Chemical Properties

Melting point	-70°C
Boiling point	208-210 °C (lit.)
density	1.142 g/mL at 25 °C (lit.)
refractive index	n20/D 1.415
Fp	>230 °F
storage temp.	Inert atmosphere,Room Temperature
solubility	Chloroform (Slightly), Methanol
form	liquid
color	green-yellow
Specific Gravity	1.142
Water Solubility	Fully miscible with water.
Sensitive	Moisture Sensitive
Merck	14,5913
BRN	971873
InChIKey	DBKKFIIYQGGHJO-UHFFFAOYSA-N
CAS DataBase Reference	609-09-6(CAS DataBase Reference)
NIST Chemistry Reference	Propanedioic acid, oxo-, diethyl ester(609-09-6)
EPA Substance Registry System	Propanedioic acid, oxo-, diethyl ester (609-09-6)

Safety Information

Hazard Codes	Xi
Safety Statements	24/25
WGK Germany	3
F	21
Hazard Note	Irritant
TSCA	T
HazardClass	IRRITANT, MOISTURE SENSITIVE
HS Code	29183000

MSDS Information

Provider	Language
SigmaAldrich	English
ACROS	English
ALFA	English

Diethyl ketomalonate Usage And Synthesis

Chemical Properties	Clear yellow liquid
Uses	Diethyl ketomalonate, reagent employed in Wittig and Aza-Wittig reactions for synthesis of triazoles, and 2-azadienes, respectively.
Synthesis Reference(s)	Synthetic Communications, 24, p. 695, 1994 DOI: 10.1080/00397919408012648 The Journal of Organic Chemistry, 46, p. 2598, 1981 DOI: 10.1021/jo00325a039

Diethyl ketomalonate Preparation Products And Raw materials

Raw materials	Malonic acid
Preparation Products	Diethyl isopropylidenemalonate-->Ethyl 6,7-Dichloro-3,4-dihydro-3-oxo-2-quinoxalinecarboxylate-->4-ethoxy-3-(ethoxycarbonyl)-4-oxobut-2-enoic acid-->ETHYL 3-(4-CHLOROPHENYL)-5-HYDROXY-1,2,4-TRIAZINE-6-CARBOXYLATE-->ethyl 5-oxo-3-phenyl-2H-1,2,4-triazine-6-carboxylate-->6-Phenylisatin-->ethyl 6-bromo-3-hydroxy-5-methylpyrazine-2-carboxylate-->2-(2,5-DIMETHYLPHENYL)-2-HYDROXYACETIC ACID

Diethyl dipropylmalonate Diethyl ketomalonate Diethyl 2-ethyl-2-phenylmalonate Diethyl isopropylmalonate Ethyl pyruvate Dimethyl malonate Diethyl butylmalonate 1,3-DIMETHOXYACETONE Diethyl fluoromalonate Diethyl ether DIETHYL DIMETHYLMALONATE Diethyl chloromalonate Methoxyacetone Methyl pyruvate Diethyl malonate Diethyl ethylmalonate DIETHYL BROMOMALONATE Malonic acid

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