4-Oxochromene-2-carboxylic acid ,4940-39-0

4-Oxochromene-2-carboxylic acid

Basic Information
Product Name：	4-Oxochromene-2-carboxylic acid
CAS：	4940-39-0
English Synonyms：	4-OXO-4H-1-BENZOPYRAN-2-CARBOXYLIC ACID ; CHROMOCARB ; CHROMONE-2-CARBOXYLIC ACID ; 4-OXO-4H-CHROMENE-2-CARBOXYLIC ACID ; 4-OXOCHROMENE-2-CARBOXYLIC ACID ; 4H-1-BENZOPYRAN-2-CARBOXYLIC ACID, 4-OXO-
MDL Number.：	MFCD00006838
H bond acceptor：	4
H bond donor：	1
Smile：	c1ccc2c(c1)c(=O)cc(o2)C(=O)O
InChi：	InChI=1S/C10H6O4/c11-7-5-9(10(12)13)14-8-4-2-1-3-6(7)8/h1-5H,(H,12,13)
InChiKey：	InChIKey=RVMGXWBCQGAWBR-UHFFFAOYSA-N
Property
Melting Point：	260 DEG C (DEC)(LIT)/260℃
Comments：	RTECS: DJ2476000 UNSPSC: 12352100 WGK: 3
Safety information
Symbol：	GHS07
Signal word：	Warning
Hazard statements：	H315-H319-H335
Precautionary statements：	P261-P305 + P351 + P338
hazard symbol：	Xi
Risk Code：	R:36/37/38
Safe Code：	S:26-36
WGK Germany：	3

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