Catecholborane

Catecholborane

Names
Preferred IUPAC name 2H-1,3,2-Benzodioxaborole
Other names 7,9-dioxa-8λ2-borabicyclo[4.3.0]nona-1,3,5-triene
Identifiers
CAS Number	274-07-7 Y
3D model (JSmol)	Interactive image Interactive image
ChemSpider	10617125 Y
ECHA InfoCard	100.005.447
EC Number	205-991-5
PubChem CID	6327445
UNII	UB69382H5J Y
CompTox Dashboard (EPA)	DTXSID3059769
InChI InChI=1S/C6H5BO2/c1-2-4-6-5(3-1)8-7-9-6/h1-4,7H Y Key: CENMEJUYOOMFFZ-UHFFFAOYSA-N Y InChI=1/C6H5BO2/c1-2-4-6-5(3-1)8-7-9-6/h1-4,7H Key: CENMEJUYOOMFFZ-UHFFFAOYAI
SMILES [B]1OC2=CC=CC=C2O1 c1cccc2OBOc12
Properties
Chemical formula	C6H5BO2
Molar mass	119.92 g/mol
Appearance	Colorless liquid
Density	1.125 g/cm3, liquid
Melting point	12 °C (54 °F; 285 K)
Boiling point	50 °C (122 °F; 323 K) at 50 mmHg
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H225, H314
Precautionary statements	P210, P233, P240, P241, P242, P243, P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P370+P378, P403+P235, P405, P501
NFPA 704 (fire diamond)	1 4 2 W
Flash point	2 °C (36 °F; 275 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references

Catecholborane (abbreviated HBcat) is an organoboron compound that is useful in organic synthesis. This colourless liquid is a derivative of catechol and a borane, having the formula C₆H₄O₂BH.