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609-09-6

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Identification

Name
Diethyl ketomalonate
CAS
609-09-6
Synonyms
DIETHYL KETOMALONATE
DIETHYL MESOXALATE
DIETHYL MESOXYLATE
DIETHYL OXOMALONATE
ETHYL OXOMALONATE
KETOMALONIC ACID DIETHYL ESTER
MESOXALIC ACID DIETHYL ESTER
Diethyl 2-oxomalonate
Ethyl mesoxalate
oxo-propanedioicacidiethylester
Diethyl ketomalonate, (Diethyl mesoxalate
Diethyl mesoxalate~Diethyl oxomalonate~Oxopropanedioic acid diethyl ester
2-Oxomalonic acid diethyl ester
DiethylKetomaloante
Diethylmesoxalate=Diethyloxomalonate
Diethylketomalonate,95%
Diethyl ketomalonate 97%
Diethyl mesoxalate, Ketomalonic acid diethyl ester
Diethyl ketomalonate, Ketomalonic acid diethyl ester
2-Oxopropanedioic acid diethyl
EINECS(EC#)
210-176-2
Molecular Formula
C7H10O5
MDL Number
MFCD00009121
Molecular Weight
174.15
MOL File
609-09-6.mol

Chemical Properties

Appearance
Clear yellow liquid
Melting point 
-70°C
mp 
-70°C
bp 
95-98 °C12 mm Hg(lit.)

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
form 
liquid

Specific Gravity
1.142
color 
green-yellow

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
609-09-6(EPA Substance)

Safety Data

Hazard Codes 
Xi
Safety Statements 
S24/25:Avoid contact with skin and eyes .
WGK Germany 
3


21
Hazard Note 
Irritant
TSCA 
T
HazardClass 
IRRITANT, MOISTURE SENSITIVE
HS Code 
29183000

Raw materials And Preparation Products

Raw materials
Malonic acid

Hazard Information

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

Spectrum Detail

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