Diethyl ketomalonate, 95%

Name: Diethyl ketomalonate, 95%
Brand: Vaqora Chemicals
SKU: VQ-008750

About Diethyl ketomalonate, 95%

Diethyl ketomalonate (CAS 609-09-6) is an ester offered by Vaqora Chemicals, specified at 95% purity. Formula C7H10O5, molecular weight 174.15 g/mol. Its systematic (IUPAC) name is diethyl 2-oxopropanedioate. Alternative names: Diethyl mesoxalate and Ketomalonic acid diethyl ester.

The material typically appears as a yellow to yellow green liquid. Reported physical data include a boiling point of 208-210 °C and a density of 1.142 g/mL at 25 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 5 g, 25 g, 500 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Diethyl ketomalonate, 95%
Catalogue No.	VQ-008750
CAS Number	609-09-6
IUPAC name	diethyl 2-oxopropanedioate
Molecular formula	C₇H₁₀O₅
Molecular weight	174.15 g/mol
Exact mass	174.0528
Purity / assay	95%
HSN code	29333990
InChIKey	DBKKFIIYQGGHJO-UHFFFAOYSA-N
SMILES	CCOC(=O)C(=O)C(=O)OCC
PubChem CID	69105

Physical properties
Physical form	Liquid
Appearance	Yellow to yellow green liquid
Boiling point	208-210 °C
Density	1.142 g/mL at 25 °C
LogP (XLogP3)	0.4
H-bond donors / acceptors	0 / 5
TPSA	69.7 Å²
Synonyms	Diethyl mesoxalate, Ketomalonic acid diethyl ester, Ethyl mesoxalate, 1,3-diethyl 2-oxopropanedioate, Propanedioic acid, oxo-, diethyl ester, Diethyl oxopropanedioate, Oxopropanedioic acid diethyl ester, Oxopropanedioic acid, diethyl ester, diethyl mesoxalate hydrate, Diethyl 2-oxomalonate, Diethyl oxomalonate, Mesoxalic acid, diethyl ester

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Diethyl ketomalonate, 95%?

The CAS Registry Number of Diethyl ketomalonate, 95% is 609-09-6. It is also known as Diethyl mesoxalate, Ketomalonic acid diethyl ester, Ethyl mesoxalate.

What is the molecular formula and molecular weight of Diethyl ketomalonate, 95%?

Diethyl ketomalonate, 95% has the molecular formula C7H10O5 and a molecular weight of 174.15 g/mol. Its IUPAC name is diethyl 2-oxopropanedioate.

Which grade and pack sizes of Diethyl ketomalonate, 95% can I order?

We supply Diethyl ketomalonate, 95% in (95%) grade, in 5 g, 25 g, 500 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Diethyl ketomalonate, 95%?

Yes. Every lot of Diethyl ketomalonate, 95% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Diethyl ketomalonate, 95% be shipped internationally?

Yes. Diethyl ketomalonate, 95% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.