Dimethyl acetylenedicarboxylate, 95%

Description

CAS: 762-42-5 | C6H6O4 | 142.11 g/mol

Dimethyl acetylenedicarboxylate as a versatile dienophile used in Diels-Alder reactions.

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

Specifications

Chemical Identifiers

• CAS: 762-42-5
• Molecular Formula: C6H6O4
• Molecular Weight (g/mol): 142.11
• MDL Number: MFCD00008456
• 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°C
• Color: Colorless to Yellow
• Density: 1.156 g/mL
• Boiling Point: 95°C to 98°C (19 mmHg)
• Flash Point: 86°C (186°F)
• Refractive Index: 1.447
• Linear Formula: CH₃O₂CC≡CCO₂CH₃
• Quantity: 25 g
• UN Number: UN1760
• Beilstein: 607063
• Sensitivity: Light sensitive
• Solubility Information: Soluble in most organic solvents. Insoluble in water.
• Formula Weight: 142.11
• Percent Purity: 95%
• Physical Form: Liquid
• Chemical Name or Material: Dimethyl acetylenedicarboxylate

Safety and Handling

Hazard Category	H227-H302+H312+H332-H314
Hazard Statement	GHS H Statement H314-H318-H302-H227 Causes severe skin burns and eye damage. Causes serious eye damage. Harmful if swallowed. Combustible liquid.
Precautionary Statement	P210-P260-P264b-P270-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P370+P378q-P501c
DOTInformation	Hazard Class: 8; Packaging Group: II
EINECSNumber	212-098-4
RTECSNumber	ES0175000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only