4-Ethynylphthalic Anhydride

Base Information

• Chemical Name: 4-Ethynylphthalic Anhydride
• CAS No.: 73819-76-8
• Molecular Formula: C10H4O3
• Molecular Weight: 172.14
• Hs Code.: 2932999099
• European Community (EC) Number: 680-029-9,935-855-7
• DSSTox Substance ID: DTXSID40462229
• Nikkaji Number: J2.535.530J
• Wikidata: Q82286728
• Mol file: 73819-76-8.mol

Synonyms:4-Ethynylphthalic Anhydride;73819-76-8;5-ethynylisobenzofuran-1,3-dione;5-ETHYNYL-2-BENZOFURAN-1,3-DIONE;1,3-Isobenzofurandione, 5-ethynyl-;5-ethynyl-1,3-dihydro-2-benzofuran-1,3-dione;C10H4O3;SCHEMBL278397;DTXSID40462229;YCA81976;MFCD06200801;AKOS015836241;AC-33713;AS-60924;CS-0319477;E0579;FT-0692719;T72893;A925890

Chemical Property of 4-Ethynylphthalic Anhydride

Chemical Property:

• Vapor Pressure: 3.83E-05mmHg at 25°C
• Melting Point: 125 ºC
• Refractive Index: 1.625
• Boiling Point: 352.4 °C at 760 mmHg
• Flash Point: 175.6 °C
• PSA: 43.37000
• Density: 1.41 g/cm³
• LogP: 0.97850
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C
• Solubility.: soluble in Tetrahydrofuran
• XLogP3: 1.5
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 1
• Exact Mass: 172.016043985
• Heavy Atom Count: 13
• Complexity: 309

Purity/Quality:

97% ^*data from raw suppliers

5-Ethynylisobenzofuran-1,3-dione ^*data from reagent suppliers

Safty Information:

• Statements: 36/37/38
• Safety Statements: 26-36

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C#CC1=CC2=C(C=C1)C(=O)OC2=O