3,4-DIHYDROXY-3-CYCLOBUTENE-1,2-DIONE

Name：	3,4-DIHYDROXY-3-CYCLOBUTENE-1,2-DIONE
CAS：	2892-51-5
Synonyms：	1-CYCLOBUTENE-3,4-DIONE-1,2-DIOL ; 3,4-DIHYDROXY-3-CYCLOBUTEN-1,2-DIONE ; 3,4-DIHYDROXY-3-CYCLOBUTENE-1,2-DIONE ; 3,4-DIHYDROXYCYCLOBUT-3-ENE-1,2-DIONE ; SQUARIC ACID ; DIKETOCYCLOBUTENEDIOL ; QUADRATIC ACID ; 1,2-DIHYDROXY-3,4-CYCLOBUTENEDIONE ; 1,2-DIHYDROXYCYCLOBUTENEDIONE ; DIHYDROXYCYCLOBUT-3-ENE-1,2-DIONE ; 3-CYCLOBUTENE-1,2-DIONE, 3,4-DIHYDROXY- ; 1,2-DIHYDROXY-1-CYCLOBUTEN-3,4-DIONE
MDL.：	MFCD00001334
H bond acceptor：	4
H bond donor：	2
Smile：	OC=1C(C(C1O)=O)=O
InChi：	InChI=1S/C4H2O4/c5-1-2(6)4(8)3(1)7/h5-6H
InChiKey：	InChIKey=PWEBUXCTKOWPCW-UHFFFAOYSA-N
Property
Melting Point：	>300 DEG C(LIT)
Boiling Point：	DENSITY: 1.82 G/CM3
Comments：	ASSAY METHOD: (W/W) HPLC IMPURITIES: MANUFACTURER NUMBER: LONZA LTD RTECS: GU1800000 WGK: 3
Specification：	LONZA QUALITY
Safety information
Symbol：	GHS07
Signal word：	Warning
Hazard statements：	H315-H317-H319-H335
Precautionary statements：	P261-P280-P305 + P351 + P338
hazard symbol：	Xi
Risk Code：	R:36/37/38-43
Safe Code：	S:26-36
WGK Germany：	3