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Diethyl acetylenedicarboxylate, 98%

Synonyms: Diethyl 2-butynedioate · 2-Butynedioic acid, diethyl ester · 1,4-diethyl but-2-ynedioate · Diethyl acetylene dicarboxylate

CAS No.762-21-0
FormulaC8H10O4
Mol. weight170.16
Catalogue No.VQ-008741
Purity98%
HSN29399900

Diethyl acetylenedicarboxylate (CAS 762-21-0) – ester, 98%. C8H10O4, MW 170.16. Get a quote from Vaqora Chemicals, COA included, shipped worldwide.

Pack sizesPrice on quotation · bulk available
5 g
25 g
100 g
1 kg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Diethyl acetylenedicarboxylate, 98%

Vaqora Chemicals supplies Diethyl acetylenedicarboxylate, an ester registered under CAS number 762-21-0 at a purity of 98%. Its molecular formula is C8H10O4 and its molecular weight is 170.16 g/mol. The IUPAC name is diethyl but-2-ynedioate. It is also known as Diethyl 2-butynedioate or 2-Butynedioic acid, diethyl ester.

The material typically appears as a colourless to yellow liquid. Reported physical data include a melting point of 1 °C. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span organic synthesis, protein and peptide research and paints, coatings and inks. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Diethyl acetylenedicarboxylate in 5 g, 25 g, 100 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

  • Organic synthesis
  • Protein & peptide research
  • Paints, coatings & inks

Industries

Specifications & identifiers

Chemical identifiers
Product nameDiethyl acetylenedicarboxylate, 98%
Catalogue No.VQ-008741
CAS Number762-21-0
IUPAC namediethyl but-2-ynedioate
Molecular formulaC8H10O4
Molecular weight170.16 g/mol
Exact mass170.0579
Purity / assay98%
HSN code29399900
InChIKeySTRNXFOUBFLVIN-UHFFFAOYSA-N
SMILESCCOC(=O)C#CC(=O)OCC
PubChem CID69803
Physical properties
Physical formLiquid
AppearanceColourless to yellow liquid
Melting point1 °C
LogP (XLogP3)1.5
H-bond donors / acceptors0 / 4
TPSA52.6 Ų
SynonymsDiethyl 2-butynedioate, 2-Butynedioic acid, diethyl ester, 1,4-diethyl but-2-ynedioate, Diethyl acetylene dicarboxylate, Acetylenedicarboxylic acid, diethyl ester, diethyl butynedioate, Bis-(Ethoxycarbonyl)acetylene, Di-Ethyl acetylenedicarboxylate, Diethylacetylenedicarboxylate, diethylacetylene dicarboxylate, but-2-ynedioic acid diethyl ester, diethyl but-2-yne-1,4-dioate

Safety & hazard information (GHS)

GHS05 Corrosive
Corrosive

Signal word: Danger

Hazard statements

  • H314Causes severe skin burns and eye damage

Precautionary statements: P260, P264, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, 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

Frequently asked questions

What is the CAS number of Diethyl acetylenedicarboxylate, 98%?

The CAS Registry Number of Diethyl acetylenedicarboxylate, 98% is 762-21-0. It is also known as Diethyl 2-butynedioate, 2-Butynedioic acid, diethyl ester, 1,4-diethyl but-2-ynedioate.

What is the molecular formula and molecular weight of Diethyl acetylenedicarboxylate, 98%?

Diethyl acetylenedicarboxylate, 98% has the molecular formula C8H10O4 and a molecular weight of 170.16 g/mol. Its IUPAC name is diethyl but-2-ynedioate.

Which grade and pack sizes of Diethyl acetylenedicarboxylate, 98% can I order?

We supply Diethyl acetylenedicarboxylate, 98% in (98%) grade, in 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Diethyl acetylenedicarboxylate, 98%?

Yes. Every lot of Diethyl acetylenedicarboxylate, 98% 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 acetylenedicarboxylate, 98% be shipped internationally?

Yes. Diethyl acetylenedicarboxylate, 98% 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.

Enquire about Diethyl acetylenedicarboxylate, 98%

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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