Diethyl 2-methylenemalonate

Name: Diethyl 2-methylenemalonate
Brand: Vaqora Chemicals
SKU: VQ-051245

About Diethyl 2-methylenemalonate

Vaqora Chemicals supplies Diethyl 2-methylenemalonate, an ester registered under CAS number 3377-20-6. With the molecular formula C8H12O4, it has a molar mass of 172.18 g/mol. Its systematic (IUPAC) name is diethyl 2-methylidenepropanedioate. Common synonyms include Diethyl methylidenemalonate and 1,3-Diethyl 2-methylenepropanedioate.

Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is commonly used for organic synthesis and API synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Diethyl 2-methylenemalonate in 100 mg, 250 mg, 1 g and 5 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.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Diethyl 2-methylenemalonate
Catalogue No.	VQ-051245
CAS Number	3377-20-6
IUPAC name	diethyl 2-methylidenepropanedioate
Molecular formula	C₈H₁₂O₄
Molecular weight	172.18 g/mol
Exact mass	172.0736
InChIKey	BQHDXNZNSPVVKB-UHFFFAOYSA-N
SMILES	CCOC(=O)C(=C)C(=O)OCC
PubChem CID	95118

Physical properties
Physical form	Other
LogP (XLogP3)	1.5
H-bond donors / acceptors	0 / 4
TPSA	52.6 Å²
Synonyms	Diethyl methylidenemalonate, 1,3-Diethyl 2-methylenepropanedioate, Diethyl methylenemalonate, Propanedioic acid, methylene-, diethyl ester, Propanedioic acid, 2-methylene-, 1,3-diethyl ester, Ethyl methylenemalonate, 1,1-Dicarbethoxyethene, Methylene diethylmalonate, Malonic acid, methylene-, diethyl ester, diethyl methylene-malonate, diethyl methylidenepropanedioate

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H318Causes serious eye damage

Precautionary statements: P260, P261, P264, P264 + P265, P270, P272, P280, P301 + P317, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, P330, P333 + P317, P362 + P364, P363, 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 2-methylenemalonate?

The CAS Registry Number of Diethyl 2-methylenemalonate is 3377-20-6. It is also known as Diethyl methylidenemalonate, 1,3-Diethyl 2-methylenepropanedioate, Diethyl methylenemalonate.

What is the molecular formula and molecular weight of Diethyl 2-methylenemalonate?

Diethyl 2-methylenemalonate has the molecular formula C8H12O4 and a molecular weight of 172.18 g/mol. Its IUPAC name is diethyl 2-methylidenepropanedioate.

Which grade and pack sizes of Diethyl 2-methylenemalonate can I order?

We supply Diethyl 2-methylenemalonate, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Diethyl 2-methylenemalonate?

Yes. Every lot of Diethyl 2-methylenemalonate 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-methylenemalonate be shipped internationally?

Yes. Diethyl 2-methylenemalonate 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.