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

product Name	3,4-Dimethoxy-3-cyclobutene-1,2-dione
Synonyms	Squaric acid dimethyl ester; 3,4-dimethoxycyclobut-3-ene-1,2-dione; Dimethyl squarate
Molecular Formula	C₆H₆O₄
Molecular Weight	142.1094
InChI	InChI=1/C6H6O4/c1-9-5-3(7)4(8)6(5)10-2/h1-2H3
CAS Registry Number	5222-73-1
Molecular Structure
Density	1.3g/cm³
Melting point	54-57℃
Boiling point	286.1°C at 760 mmHg
Refractive index	1.478
Flash point	128°C
Risk Codes	R42/43:;
Safety Description	S22:; S24/25:; S26:; S36/37/39:;

Gold Suppliers(4):: Beijing F&F Chemical Co.,Ltd. Tel:86 10 6444 6910, 6444 6911, 64446912; Hangzhou Hetd Pharm&Chem CO.,Ltd. Tel:+86-571-81958067 13989459766; Tianjin Harmony Technology Development Co., Ltd. Tel:+86-22-23697098; Hangzhou Sage Chemical Co., Ltd. Tel:+86-571-86818502
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