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Diethyl acetylenedicarboxylate

ALDRICH/159441 - 95%

Synonym: Diethyl 2-butynedioate

CAS Number: 762-21-0
Empirical Formula (Hill Notation): C8H10O4
Molecular Weight: 170.16
EC Number: 212-095-8
MDL Number: MFCD00009186
Linear Formula: C2H5OCOC≡CCOOC2H5
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-159441-5G 5 g
 $0.00
1/EA
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45-159441-25G 25 g
 $156.00
1/EA		 Add To Favorites
45-159441-100G 100 g
 $486.00
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assay 95%
bp 107-110 °C/11 mmHg (lit.)
density 1.063 g/mL at 25 °C (lit.)
form liquid
functional group ester
InChI 1S/C8H10O4/c1-3-11-7(9)5-6-8(10)12-4-2/h3-4H2,1-2H3
InChI key STRNXFOUBFLVIN-UHFFFAOYSA-N
Quality Level 100 
refractive index n20/D 1.443 (lit.)
SMILES string CCOC(=O)C#CC(=O)OCC
storage temp. 2-8°C
Application: 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
General description: Diethyl acetylenedicarboxylate is a protein cross-linker.

Diethyl acetylenedicarboxylate is used as a Michael acceptor for O-vinyl oximes synthesis, and is used in the nucleophilic addition reaction.
Packaging: 5, 25, 100 g in glass bottle
Symbol GHS05  GHS05
Signal word Danger
Hazard statements H314
Precautionary statements P280 - P305 + P351 + P338 - P310
Hazard Codes C
Risk Statements 34
Safety Statements 26-36/37/39-45
RIDADR UN 3265 8 / PGII
WGK Germany WGK 3
Flash Point(F) 201.2 °F - closed cup
Flash Point(C) 94 °C - closed cup
Purity 95%
bp 107-110 °C/11 mmHg (lit.)
Density 1.063 g/mL at 25 °C (lit.)
Refractive Index n20/D 1.443 (lit.)
Storage Temp. 2-8°C
UNSPSC 12352100

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