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Key Documents

D97401

Sigma-Aldrich

Diethyl ketomalonate

95%

Synonym(s):

Diethyl mesoxalate, Ketomalonic acid diethyl ester

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About This Item

Linear Formula:
CO(CO2C2H5)2
CAS Number:
Molecular Weight:
174.15
Beilstein:
971873
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

95%

form

liquid

refractive index

n20/D 1.415 (lit.)

bp

208-210 °C (lit.)

density

1.142 g/mL at 25 °C (lit.)

SMILES string

CCOC(=O)C(=O)C(=O)OCC

InChI

1S/C7H10O5/c1-3-11-6(9)5(8)7(10)12-4-2/h3-4H2,1-2H3

InChI key

DBKKFIIYQGGHJO-UHFFFAOYSA-N

Related Categories

Application

Reagent employed in Wittig and Aza-Wittig reactions for synthesis of triazoles and 2-azadienes, respectively.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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