Dimethyl acetylenedicarboxylate, 98%

Description

CAS: 762-42-5 | C₆H₆O₄ | 142.11 g/mol

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Alkylation reagent

Specifications

Chemical Identifiers

• CAS: 762-42-5
• Molecular Formula: C₆H₆O₄
• Molecular Weight (g/mol): 142.11
• InChI Key: VHILMKFSCRWWIJ-UHFFFAOYSA-N
• Synonym: dimethyl acetylenedicarboxylate, 2-butynedioic acid, dimethyl ester, 1,4-dimethyl but-2-ynedioate, dimethyl butynedioate, dimethyl 2-butynedioate, acetylenedicarboxylic acid dimethyl ester, dmad, methyl acetylenedicarboxylate, bis methoxycarbonyl acetylene, di carbomethoxy acetylene
• PubChem CID: 12980
• IUPAC Name: dimethyl but-2-ynedioate
• SMILES: COC(=O)C#CC(=O)OC

• Melting Point: -18.0°C
• Color: Colorless to Yellow
• Density: 1.1600g/mL
• Boiling Point: 95.0°C to 98.0°C (19.0 mmHg)
• Flash Point: 86°C
• Infrared Spectrum: Authentic
• Assay Percent Range: 97.5% min. (GC)
• Packaging: Glass bottle
• Refractive Index: 1.4460 to 1.4480
• Linear Formula: CH₃O₂CC≡CCO₂CH₃
• Quantity: 25 g
• Beilstein: 02,803
• Fieser: 01,272; 02,145; 03,103; 04,168; 05,227; 06,206; 07,117; 09,176
• Specific Gravity: 1.16
• Solubility Information: Solubility in water: insoluble. Other solubilities: soluble in ethyl alcohol,ethyl ether,ccl4,miscible with organic solvents
• Formula Weight: 142.11
• Percent Purity: 98%
• Physical Form: Liquid
• Chemical Name or Material: Dimethyl acetylenedicarboxylate

Safety and Handling

Hazard Category	GHS Signal Word: Danger
Hazard Statement	GHS H Statement Causes severe skin burns and eye damage. Harmful if swallowed. Harmful in contact with skin. Harmful if inhaled.
Precautionary Statement	GHS P Statement IF SWALLOWED: rinse mouth. Do NOT induce vomiting. Wear eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses,if present and easy to do. Continue rinsi
EINECSNumber	212-098-4

SDS

RUO – Research Use Only