Informativa e consenso per l'uso dei cookie

Accetto Il nostro sito salva piccoli pezzi di informazioni (cookie) sul dispositivo, al fine di fornire contenuti migliori e per scopi statistici. È possibile disattivare l'utilizzo di cookies modificando le impostazioni del tuo browser. Continuando la navigazione si acconsente all'utilizzo dei cookie.

762-21-0 - Diethyl acetylenedicarboxylate, 96% - Acetylenedicarboxylic acid diethyl ester - Butynedioic acid diethyl ester - A11719 - Alfa Aesar

A11719 Diethyl acetylenedicarboxylate, 96%

Codice CAS
762-21-0
Sinonimi
Acetylenedicarboxylic acid diethyl ester
Butynedioic acid diethyl ester

Dimensioni Prezzo ($) Quantità Disponibilità
25g 58,50
100g 201,00
500g 827,00
Aggiungi al carrello Aggiungi al preventivo generale Visualizza articolo

Diethyl acetylenedicarboxylate, 96%

MDL
MFCD00009186
EINECS
212-095-8

Proprietà chimiche

Formula
CH3CH2O2CC≡CCO2CH2CH3
Peso formula
170.16
Punto di fusione
1-2°
Punto di ebollizione
108-110°/11mm
Punto di infiammabilità
94°(201°F)
Densità
1.067
Indice di rifrazione
1.4430
Solubilità
Soluble in ethanol, ethyl ether, CCl4, Insoluble in water.

Applicazioni

Diethyl acetylenedicarboxylate is used as a protein cross-linker. It is also used in the synthesis of 3,4,5-trisubstituted 2(5H)-furanone derivatives, highly functionalized thiazolidinone derivatives, novel cyclic peroxide glucosides and 4,11-dimesitylbisanthene, soluble bisanthene derivative, via Diels-Alder reaction.

Note

Store at 4°C. Protect from heat. Store away from oxidizing agents. Incompatible with strong acids and strong bases.

Letteratura

YW Guo; YL Shi; HB Li; M Shi. Reactions of salicyl N-tosylimines or salicylaldehydes with diethyl acetylenedicarboxylate for the synthesis of highly functionalized chromenes.Tetrahedron. 2006, 16 5875-5882.

Alan R. Katritzky; Jiangchao Yao; Weiliang Bao; Ming Qi; and Peter J. Steel. 2-Benzotriazolylaziridines and Their Reactions with Diethyl Acetylenedicarboxylate.J. Org. Chem. 1999, 64 (2), 346-350.

For reactions of acetylenedicarboxylic esters, see Dimethyl­ acetyl­enedicarboxyl­ate, A11437.

Reaction with enamines leads to 2(1H)-pyridones: Synthesis, 371 (1992).

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H314-H318

Causes severe skin burns and eye damage. Causes serious eye damage.

Dichiarazioni precauzionali: P260-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310-P363-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Immediately call a POISON CENTER or doctor/physician. Wash contaminated clothing before reuse. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Beilstein
743166
Classe di rischio
8
Gruppo di imballaggio
III
Codice tariffe armonizzato
2917.19
TSCA
No

Raccomandato

Visualizzati di recente

Prodotti chimici

Scienze della vita

Metalli e materiali

Catalizzatori

Apparecchiature di analisi e di laboratorio