Dimethyl acetylenedicarboxylate, 99%
Order Dimethyl acetylenedicarboxylate, 99% (CAS 762-42-5) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.
About Dimethyl acetylenedicarboxylate, 99%
Zemixal supplies Dimethyl acetylenedicarboxylate, 99% within its pharma Intermediates & Building Blocks portfolio. For your records (99%), the material is defined by CAS 762-42-5, formula C6H6O4 and molar mass 142.11 g/mol. Expect colourless to green to yellow liquid.
Where it is used
- Organic synthesis
- Pharmaceutical synthesis
- Fine chemical synthesis
- Electronics & thin films
Safe handling
Reported physical data: boiling point 95-98 °C and density 1.156 g/mL at 25 °C. It carries the GHS signal word Danger (H302 and H314), so wear gloves and eye protection and work with good ventilation.
Order it in 5 g, 25 g, 100 g and 1 kg packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Organic synthesis
- Pharmaceutical synthesis
- Fine chemical synthesis
- Electronics & thin films
Applications
Specifications and identifiers
| Product name | Dimethyl acetylenedicarboxylate, 99% |
|---|---|
| Catalogue number | ZX-007818 |
| CAS number | 762-42-5 |
| IUPAC name | dimethyl but-2-ynedioate |
| Molecular formula | C6H6O4 |
| Molar mass | 142.11 g/mol |
| Exact mass | 142.0266 |
| Purity / assay | 99% |
| Physical form | Liquid |
| Appearance | Colourless to green to yellow liquid |
| Boiling point | 95-98 °C |
| Density | 1.156 g/mL at 25 °C |
| XLogP3 | 0.8 |
| H-bond donors / acceptors | 0 / 4 |
| Topological polar surface area | 52.6 Ų |
| HS code | 29399900 |
| InChIKey | VHILMKFSCRWWIJ-UHFFFAOYSA-N |
| SMILES | COC(=O)C#CC(=O)OC |
| PubChem CID | 12980 |
| 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 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H302Harmful if swallowed
- H314Causes 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 5 g | Quoted on request | |
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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