Diethyl 2-oxobutanedioate, 97%

Name: Diethyl 2-oxobutanedioate, 97%
Brand: Vaqora Chemicals
SKU: VQ-008739

About Diethyl 2-oxobutanedioate, 97%

Vaqora Chemicals supplies Diethyl 2-oxobutanedioate, an ester registered under CAS number 108-56-5 with a typical assay of 97%. Formula C8H12O5, molecular weight 188.18 g/mol. Common synonyms include Diethyl oxalacetate and Ethyl oxalacetate.

It is supplied as a colorless to light yellow liquid. Keep the material at 2–8 °C and protect it from moisture. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Diethyl 2-oxobutanedioate in 5 g and 25 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Diethyl 2-oxobutanedioate, 97%
Catalogue No.	VQ-008739
CAS Number	108-56-5
IUPAC name	diethyl 2-oxobutanedioate
Molecular formula	C₈H₁₂O₅
Molecular weight	188.18 g/mol
Exact mass	188.0685
Purity / assay	97%
HSN code	29333990
InChIKey	JDXYSCUOABNLIR-UHFFFAOYSA-N
SMILES	CCOC(=O)CC(=O)C(=O)OCC
PubChem CID	66951

Physical properties
Physical form	Liquid
Appearance	Colorless to light yellow liquid
LogP (XLogP3)	0.8
H-bond donors / acceptors	0 / 5
TPSA	69.7 Å²
Storage	2–8 °C
Synonyms	Diethyl oxalacetate, Ethyl oxalacetate, Butanedioic acid, oxo-, diethyl ester, Diethyloxalacetate, 2-oxobutanedioic acid diethyl ester, 2-Oxobutanedioic acid 1,4-diethyl ester, Butanedioic acid, oxo-, diethyl ester (9CI), Oxaloacetic ester, Diethyl oxalacetic acid, 1,4-Diethyl 2-oxobutanedioic acid, Butanedioic acid, oxo, diethyl ester, 2Oxobutanedioic acid 1,4diethyl ester

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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 2-oxobutanedioate, 97%?

The CAS Registry Number of Diethyl 2-oxobutanedioate, 97% is 108-56-5. It is also known as Diethyl oxalacetate, Ethyl oxalacetate, Butanedioic acid, oxo-, diethyl ester.

What is the molecular formula and molecular weight of Diethyl 2-oxobutanedioate, 97%?

Diethyl 2-oxobutanedioate, 97% has the molecular formula C8H12O5 and a molecular weight of 188.18 g/mol. Its IUPAC name is diethyl 2-oxobutanedioate.

Which grade and pack sizes of Diethyl 2-oxobutanedioate, 97% can I order?

We supply Diethyl 2-oxobutanedioate, 97% in (97%) grade, in 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Diethyl 2-oxobutanedioate, 97%?

Yes. Every lot of Diethyl 2-oxobutanedioate, 97% 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 2-oxobutanedioate, 97% be shipped internationally?

Yes. Diethyl 2-oxobutanedioate, 97% 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.

How should Diethyl 2-oxobutanedioate, 97% be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.