Diethyl Acetylenedicarboxylate , >96.0%(GC) , 762-21-0

Synonym(s):
2-Butynedioic acid diethyl ester;Diethyl 2-butynedioate;Diethyl acetylenedicarboxylate

CAS NO.：762-21-0

Empirical Formula: C8H10O4

Molecular Weight: 170.16

MDL number: MFCD00009186

EINECS: 212-095-8

PRODUCT Properties

• Melting point: 1-3 °C
• Boiling point: 107-110 °C11 mm Hg(lit.)
• Density: 1.063 g/mL at 25 °C(lit.)
• refractive index: n20/D 1.443(lit.)
• Flash point: 202 °F
• storage temp.: 2-8°C
• form: Liquid
• Specific Gravity: 1.063
• color: Clear light yellow
• Water Solubility: Soluble in ethanol, ethyl ether, CCl4, Insoluble in water.
• BRN: 743166
• InChI: InChI=1S/C8H10O4/c1-3-11-7(9)5-6-8(10)12-4-2/h3-4H2,1-2H3
• InChIKey: STRNXFOUBFLVIN-UHFFFAOYSA-N
• SMILES: C(OCC)(=O)C#CC(OCC)=O
• CAS DataBase Reference: 762-21-0(CAS DataBase Reference)
• NIST Chemistry Reference: Diethylacetylene dicarboxylate(762-21-0)

Description and Uses

Diethyl acetylenedicarboxylate was used in the synthesis of:

• 3,4,5-trisubstituted 2(5H)-furanone derivatives
• highly functionalized thiazolidinone derivatives
• novel cyclic peroxide glucosides
• 4,11-dimesitylbisanthene, soluble bisanthene derivative, via Diels-Alder reaction

Safety

• Symbol(GHS): GHS05
• Signal word: Danger
• Hazard statements: H314
• Precautionary statements: P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363-P405
• Hazard Codes: C
• Risk Statements: 34
• Safety Statements: 26-36/37/39-45-25
• RIDADR: UN 3265 8/PG 2
• WGK Germany: 3
• F: 8-10
• HazardClass: 8
• PackingGroup: III
• HS Code: 29171990
• Limited Quantities: 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)