Cas no 5781-55-5 (Ethanedioic acid,bimol. monoanhydride, dimethyl ester (9CI))

Ethanedioic acid,bimol. monoanhydride, dimethyl ester (9CI) structure
5781-55-5 structure
Product Name:Ethanedioic acid,bimol. monoanhydride, dimethyl ester (9CI)
CAS No:5781-55-5
MF:C6H6O7
MW:190.107642650604
CID:374657
PubChem ID:79847
Update Time:2025-04-19

Ethanedioic acid,bimol. monoanhydride, dimethyl ester (9CI) Chemical and Physical Properties

Names and Identifiers

    • Ethanedioic acid,bimol. monoanhydride, dimethyl ester (9CI)
    • 2,5,8-trioxanonane-3,4,6,7-tetrone
    • 2-O-(2-methoxy-2-oxoacetyl) 1-O-methyl oxalate
    • AC1L2Y9X
    • AC1Q5YPL
    • AG-G-04334
    • AR-1J4201
    • CTK5A7489
    • EINECS 227-309-5
    • methoxalic anhydride
    • Methoxalsaeureanhydrid
    • methoxy(oxo)acetic anhydride
    • NSC141023
    • Oxalsaeuremonomethylester-anhydrid
    • Oxalsaeure-monomethylester-anhydrid
    • DTXSID00206520
    • UNII-HZR9F2TR2J
    • NSC 141023
    • NS00033796
    • HZR9F2TR2J
    • NSC-141023
    • 5781-55-5
    • Inchi: 1S/C6H6O7/c1-11-3(7)5(9)13-6(10)4(8)12-2/h1-2H3
    • InChI Key: JKFKZGGSAYSSBN-UHFFFAOYSA-N
    • SMILES: O(C(C(=O)OC)=O)C(C(=O)OC)=O

Computed Properties

  • Exact Mass: 190.01128
  • Monoisotopic Mass: 190.011353
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 7
  • Heavy Atom Count: 13
  • Rotatable Bond Count: 6
  • Complexity: 228
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • XLogP3: _0.1
  • Topological Polar Surface Area: 96

Experimental Properties

  • Density: 1.406
  • Boiling Point: 242.3°Cat760mmHg
  • Flash Point: 101.6°C
  • Refractive Index: 1.434
  • PSA: 95.97
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