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VAQORAEsters & LactonesAvailable on request
Dimethyl acetylenedicarboxylate, 99%
Synonyms: Dimethyl 2-butynedioate · 2-Butynedioic acid, dimethyl ester · Bis(methoxycarbonyl)acetylene · Di(carbomethoxy)acetylene
CAS No.762-42-5
FormulaC6H6O4
Mol. weight142.11
Catalogue No.VQ-008760
Purity99%
HSN29399900
Dimethyl acetylenedicarboxylate (CAS 762-42-5) – ester, 99%. C6H6O4, MW 142.11. Get a quote from Vaqora Chemicals, COA included, shipped worldwide.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Dimethyl acetylenedicarboxylate, 99%
Dimethyl acetylenedicarboxylate (CAS 762-42-5) is an ester offered by Vaqora Chemicals, specified at 99% purity. With the molecular formula C6H6O4, it has a molar mass of 142.11 g/mol. Its systematic (IUPAC) name is dimethyl but-2-ynedioate. It is also known as Dimethyl 2-butynedioate or 2-Butynedioic acid, dimethyl ester.
It is supplied as a colourless to green to yellow liquid. Literature values give a boiling point of 95-98 °C and a density of 1.156 g/mL at 25 °C. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.
Key uses span organic synthesis, pharmaceutical synthesis, fine chemical synthesis and electronics and thin films. Typical end-use sectors are pharmaceutical manufacturing, academic and industrial research and electronics and semiconductors.
Vaqora Chemicals supplies Dimethyl acetylenedicarboxylate in 5 g, 25 g, 100 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.
Typical applications
- Organic synthesis
- Pharmaceutical synthesis
- Fine chemical synthesis
- Electronics & thin films
Industries
Specifications & identifiers
| Product name | Dimethyl acetylenedicarboxylate, 99% |
|---|---|
| Catalogue No. | VQ-008760 |
| CAS Number | 762-42-5 |
| IUPAC name | dimethyl but-2-ynedioate |
| Molecular formula | C6H6O4 |
| Molecular weight | 142.11 g/mol |
| Exact mass | 142.0266 |
| Purity / assay | 99% |
| HSN code | 29399900 |
| InChIKey | VHILMKFSCRWWIJ-UHFFFAOYSA-N |
| SMILES | COC(=O)C#CC(=O)OC |
| PubChem CID | 12980 |
| Physical form | Liquid |
|---|---|
| Appearance | Colourless to green to yellow liquid |
| Boiling point | 95-98 °C |
| Density | 1.156 g/mL at 25 °C |
| LogP (XLogP3) | 0.8 |
| H-bond donors / acceptors | 0 / 4 |
| TPSA | 52.6 Ų |
| Synonyms | Dimethyl 2-butynedioate, 2-Butynedioic acid, dimethyl ester, Bis(methoxycarbonyl)acetylene, Di(carbomethoxy)acetylene, 1,2-Bis(methoxycarbonyl)acetylene, Acetylenedicarboxylic acid dimethyl ester, Dimethyl ethynedicarboxylate, Acetylenedicarboxylic acid, dimethyl ester, 1,2-Bis(methoxycarbonyl)ethyne, 2-Butynedioic acid, 1,4-dimethyl ester, Dimethyl butynedioate, 1,4-dimethyl but-2-ynedioate |
Safety & hazard information (GHS)
Signal word: Danger
Hazard statements
H302Harmful if swallowedH314Causes severe skin burns and eye damage
Precautionary statements: P260, P264, P270, P280, P301 + P317, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, P330, 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 Dimethyl acetylenedicarboxylate, 99%?
The CAS Registry Number of Dimethyl acetylenedicarboxylate, 99% is 762-42-5. It is also known as Dimethyl 2-butynedioate, 2-Butynedioic acid, dimethyl ester, Bis(methoxycarbonyl)acetylene.
What is the molecular formula and molecular weight of Dimethyl acetylenedicarboxylate, 99%?
Dimethyl acetylenedicarboxylate, 99% has the molecular formula C6H6O4 and a molecular weight of 142.11 g/mol. Its IUPAC name is dimethyl but-2-ynedioate.
Which grade and pack sizes of Dimethyl acetylenedicarboxylate, 99% can I order?
We supply Dimethyl acetylenedicarboxylate, 99% in (99%) 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 Dimethyl acetylenedicarboxylate, 99%?
Yes. Every lot of Dimethyl acetylenedicarboxylate, 99% 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 Dimethyl acetylenedicarboxylate, 99% be shipped internationally?
Yes. Dimethyl acetylenedicarboxylate, 99% 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 Dimethyl acetylenedicarboxylate, 99%
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