Consentement d'utilisation des Cookies

J'accepte Notre site sauvegarde des traceurs textes (cookies) sur votre appareil afin de vous garantir de meilleurs contenus et à des fins de collectes statistiques.Vous pouvez désactiver l'usage des cookies en changeant les paramètres de votre navigateur. En poursuivant votre navigation sur notre site sans changer vos paramètres de navigateur vous nous accordez la permission de conserver des informations sur votre appareil.

762-42-5 - Dimethyl acetylenedicarboxylate, 98% - Acetylenedicarboxylic acid dimethyl ester - Butynedioic acid dimethyl ester - A11437 - Alfa Aesar

A11437 Dimethyl acetylenedicarboxylate, 98%

Numéro CAS
Acetylenedicarboxylic acid dimethyl ester
Butynedioic acid dimethyl ester

Dimensions Prix ($) Quantité Disponibilité
25g 70,20
100g 232,00
500g 964,00
Ajouter au panier Ajouter au devis en vrac Afficher l'article

Dimethyl acetylenedicarboxylate, 98%


Propriétés chimiques

Poids formulaire
Point de fusion
Point d'ébullition
Point d'éclair
Indice de réfraction
Light Sensitive
It is insoluble in water but soluble in ethanol, ethyl ether, CCl4, miscible with organic solvents.


It acts as an inhibitor of oxidative phosphorylation. It is also used in Pharmaceutical and electronic industry. It is used in organic synthesis. It also acts as an intermediate in chemical research. It is also used in Diels-Alder Reaction.


Stable under normal conditions. Incompatabile to strong oxidizing agents, strong acids, strong bases, Strong reducing agents. Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

Références bibliographiques

Peter M. Blonsky.; D. F.Shriver.; Paul Austin.;  H. R. Allcock. Polyphosphazene solid electrolytes. J. Am. Chem. Soc.1984106, (22), 6854-6855.

Barry M. Trost.; Gerald J. Tanoury. An unusual mechanism of a palladium-catalyzed intramolecular carbametalation. A novel palladium-catalyzed rearrangement. J. Am. Chem. Soc.1988110, (5), 1636-1638.

Dienophile in Diels-Alder and related reactions. For addition to a bis-allene, followed by dimerization to a paracyclophane, see: Org. Synth. Coll., 7, 485 (1990).

For use in the masking of double bonds for subsequent release by cycloreversion, see: J. Org. Chem., 44, 962 (1979). Review of cycloreversion reactions in organic synthesis: Synthesis, 121 (1985).

Used in synthesis of a wide variety of heterocyclic systems including benzo[b]thiophenes from thiophenols: Acta Chem. Scand., 27, 595 (1973), and chromones from phenols: Austral. J. Chem., 48, 677 (1995):

Stabilized anions derived from cyclic ß-keto phosphonates undergo ring expansion, via a tandem Michael-Aldol-fragmentation mechanism, to give phosphonates with an additional two carbons in the ring, thus providing a route to highly functionalized medium ring compounds: J. Org. Chem., 60, 3084 (1995):

Reacts with activated carbonyl compounds, such as ɑ-keto esters or ɑ-keto nitriles, in the presence of triphenylphosphine, to give highly functionalized -butyrolactones: J. Org. Chem., 61, 4516 (1996). For a further example with reaction scheme, see 2,2,2-Trifluoroacetophenone, A11403.

Mentions de danger et de prudence du SGH

Mentions de danger (UE): H314-H318-H302-H227

Causes severe skin burns and eye damage. Causes serious eye damage. Harmful if swallowed. Combustible liquid.

Mentions de prudence: P210-P260-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. 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. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Autres références

Classe de danger
Groupe d'emballage
Code tarifaire harmonisé


Consulté récemment

Produits chimiques

Sciences de la vie

Métaux et matériaux


Analytique et matériel de laboratoire