Dimethyl acetylenedicarboxylate
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Dimethyl acetylenedicarboxylate
structure -
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CAS No:
762-42-5
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Formula:
C6H6O4
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Chemical Name:
Dimethyl acetylenedicarboxylate
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Synonyms:
2-Butynedioic acid,1,4-dimethyl ester;Acetylenedicarboxylic acid,dimethyl ester;2-Butynedioic acid,dimethyl ester;Dimethyl acetylenedicarboxylate;Dimethyl butynedioate;Dimethyl 2-butynedioate;Dimethyl 1,2-acetylenedicarboxylate;1,2-Bis(methoxycarbonyl)acetylene;Bis(carbomethoxy)acetylene;Dimethyl butyne-1,4-dioate;Dimethyl ethynedicarboxylate;1,2-Bis(methoxycarbonyl)ethyne;Butynedioic acid dimethyl ester;Di(carbomethoxy)acetylene;Bis(methoxycarbonyl)acetylene;NSC 101119;NSC 14912;1,4-Dimethyl but-2-ynedioate;2228859-04-7;2387559-42-2
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CAS No:
Dimethyl acetylenedicarboxylate Basic Attributes
142.11
142.11
607063
212-098-4
7HZA2PL15F
101119|14912
DTXSID0061088
29171990
Characteristics
52.6
0.8
Colorless to pale yellow Liquid
1.2±0.1 g/cm3
50-53 °C
83 °C @ Press: 5 Torr
187 °F
1.446
soluble in most organic solvents. Insoluble in water.
Store at<= 20°C.
Safety Information
III
8
UN 3265 8/PG 2
3
34-22
23-26-27-36/37/39-45
ES0175000
C
Stable under normal temperatures and pressures.
P280-P305 + P351 + P338-P310
H302-H314
|Danger|H302 (94.34%): Harmful if swallowed [Warning Acute toxicity, oral]|P260, P264, P270, P280, P301+P312, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P330, P363, P405, and P501|Aggregated GHS information provided by 53 companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Dimethyl acetylenedicarboxylate Use and Manufacturing
Potassium butyne dicarboxylate reacts with methanol at room temperature in the presence of concentrated sulfuric acid for 4 days to produce dimethyl butyne dicarboxylate with a yield of 72-88%.
Multifunctional dienophile for Diels-Alder reaction
2-Butynedioic acid, 1,4-dimethyl ester: ACTIVE
Computed Properties
Molecular Weight:142.11
XLogP3:0.8
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:2
Exact Mass:142.02660867
Monoisotopic Mass:142.02660867
Topological Polar Surface Area:52.6
Heavy Atom Count:10
Complexity:184
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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