Boron tribromide

Boron tribromide
Names
	IUPAC name Boron tribromide
	Other names Tribromoborane, Boron bromide
Identifiers
CAS Number	10294-33-4 ;
3D model (JSmol)	Interactive image;
ChemSpider	16787736 ;
ECHA InfoCard	100.030.585
EC Number	233-657-9;
PubChem CID	25134;
RTECS number	ED7400000;
UNII	A453DV9339 ;
UN number	2692
CompTox Dashboard (EPA)	DTXSID4065028 ;
	InChI InChI=1S/B.3BrH/h;31H/q+3;;;/p-3 Key: LKBREHQHCVRNFR-UHFFFAOYSA-K ; InChI=1/BBr3/c2-1(3)4 Key: ILAHWRKJUDSMFH-UHFFFAOYAA; InChI=1/B.3BrH/h;31H/q+3;;;/p-3 Key: LKBREHQHCVRNFR-DFZHHIFOAX;
	SMILES BrB(Br)Br;
Properties
Chemical formula	BBr3
Molar mass	250.52 g·mol−1
Appearance	Colorless to amber liquid
Odor	Sharp and irritating
Density	2.643 g/cm3
Melting point	−46.3 °C (−51.3 °F; 226.8 K)
Boiling point	91.3 °C (196.3 °F; 364.4 K)
Solubility in water	Reacts violently with water and other protic solvents
Solubility	Soluble in CH2Cl2, CCl4
Vapor pressure	7.2 kPa (20 °C)
Refractive index (nD)	1.00207
Viscosity	7.31 x 10−4 Pa s (20 °C)
Thermochemistry
Heat capacity (C)	0.2706 J/K
Std molar; entropy (S⦵298)	228 J/mol K
Std enthalpy of; formation (ΔfH⦵298)	−0.8207 kJ/g
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Reacts violently with water, potassium, sodium, and alcohols; attacks metals, wood, and rubber
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H300, H314, H330 Within the European Union, the following additional hazard statement (EUH014) must also be displayed on labeling: Reacts violently with water.
NFPA 704 (fire diamond)	3 0 2 W
Flash point	Noncombustible
	NIOSH (US health exposure limits):
PEL (Permissible)	None
REL (Recommended)	C 1 ppm (10 mg/m3)
IDLH (Immediate danger)	N.D.
Safety data sheet (SDS)	ICSC 0230
Related compounds
Related compounds	Boron trifluoride; Boron trichloride; Boron triiodide
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Boron tribromide, BBr₃, is a colorless, fuming liquid compound containing boron and bromine. Commercial samples usually are amber to red/brown, due to weak bromine contamination. It is decomposed by water and alcohols.