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Diethyl acetylenedicarboxylate

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Products Intro: Product Name:Diethyl acetylenedicarboxylate
CAS:762-21-0
Purity:98%(Min,GC) Package:100g;1kg;5kg,10kg,25kg,50kg
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Products Intro: Product Name:Diethyl acetylenedicarboxylate
CAS:762-21-0
Purity:0.99 Package:25KG,5KG;1KG;500G
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CAS:762-21-0
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CAS:762-21-0
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Products Intro: Product Name:Diethyl acetylenedicarboxylate
CAS:762-21-0
Purity:0.99 Package:200g

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Diethyl acetylenedicarboxylate Basic information
Product Name:Diethyl acetylenedicarboxylate
Synonyms:Bis-(Ethoxycarbonyl)acetylene;Diethyl 2-butynedioate;butynedioic acid diethyl ester;YL2-BUTYNEDIOATE;Diethyl but-2-yne-1,4-dioate;DIETHYL ACETYLENEDICARBOXYLATE;DIETHYL BUTYNEDIOATE;2-butynedioic acid diethyl ester
CAS:762-21-0
MF:C8H10O4
MW:170.16
EINECS:212-095-8
Product Categories:Aromatic Esters;Miscellaneous;Acetylenes;Acetylenic Carboxylic Acids & Their Derivatives
Mol File:762-21-0.mol
Diethyl acetylenedicarboxylate Structure
Diethyl acetylenedicarboxylate Chemical 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.)
Fp 202 °F
storage temp. 2-8°C
form Liquid
Specific Gravity1.063
color Clear light yellow
Water Solubility Soluble in ethanol, ethyl ether, CCl4, Insoluble in water.
BRN 743166
CAS DataBase Reference762-21-0(CAS DataBase Reference)
NIST Chemistry ReferenceDiethylacetylene dicarboxylate(762-21-0)
Safety Information
Hazard Codes C
Risk Statements 34
Safety Statements 26-36/37/39-45-25
RIDADR UN 3265 8/PG 2
WGK Germany 3
8-10
HazardClass 8
PackingGroup III
HS Code 29171990
MSDS Information
ProviderLanguage
2-Butynedioic acid diethyl ester English
SigmaAldrich English
ACROS English
ALFA English
Diethyl acetylenedicarboxylate Usage And Synthesis
Chemical PropertiesCLEAR LIGHT YELLOW LIQUID
Purification MethodsDissolve the ester in *C6H6, wash it with NaHCO3, H2O, dry over Na2SO4, filter, evaporate and distil it in a vacuum [IR: Walton & Hughes J Am Chem Soc 79 3985 1957, Truce & Kruse J Am Chem Soc 81 5372 1959]. [Beilstein 2 H 803.]
Diethyl acetylenedicarboxylate Preparation Products And Raw materials
Raw materialsAcetylenedicarboxylic acid monopotassium salt
Preparation Productsethyl 5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate-->3-HYDROXY-5-METHYL-BENZOIC ACID-->7-ETHOXYCOUMARIN
Tag:Diethyl acetylenedicarboxylate(762-21-0) Related Product Information
Diethyl oxalacetate TRIS(TRIMETHYLSILYL) PHOSPHATE Diethyl maleate Ethyl glyoxalate Diethyl methylmalonate Diethyl adipate Ethyl pyruvate Diethyl pimelate AcidEster Acetylenedicarboxylic acid Methyl propiolate PENTAACETYL-5-THIOGLUCOSE METHYL PROPARGYL ETHER Propiolic Acid PROPYNAL 2-Butyn-1-ol DI-TERT-BUTYL ACETYLENEDICARBOXYLATE Diethyl acetylenedicarboxylate