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

?????? ?? ???	3,4-Dimethoxy-3-cyclobutene-1,2-dione
???????? ???	3,4-Dimethoxy-3-cyclobutene-1,2-dione; Squaric acid dimethyl ester; 3,4-dimethoxycyclobut-3-ene-1,2-dione; Dimethyl squarate
????? ????????	C₆H₆O₄
?????? ???	142.1094
InChI	InChI=1/C6H6O4/c1-9-5-3(7)4(8)6(5)10-2/h1-2H3
??? ??????? ??????	5222-73-1
????? ??????
?????	1.3g/cm³
??????	54-57℃
????? ?? ???	286.1°C at 760 mmHg
??????? ???????	1.478
????? ???????	128°C
????? ?? ????	0.00269mmHg at 25°C
???? ??????
???? ?? ???	R42/43:;
??????? ?????	S22:; S24/25:; S26:; S36/37/39:;

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