Free release

5222-73-1 3,4-dimethoxy-3-cyclobutene-1,2-dione

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Product Name 3,4-Dimethoxy-3-cyclobutene-1,2-dione
CAS No. 5222-73-1
Synonyms Squaric acid dimethyl ester; 3,4-dimethoxycyclobut-3-ene-1,2-dione; Dimethyl squarate
InChI InChI=1/C6H6O4/c1-9-5-3(7)4(8)6(5)10-2/h1-2H3
Molecular Formula C6H6O4
Molecular Weight 142.1094
Density 1.3g/cm3
Melting point 54-57℃
Boiling point 286.1°C at 760 mmHg
Flash point 128°C
Refractive index 1.478
Risk Codes R42/43:;
Safety S22:; S24/25:; S26:; S36/37/39:;