Boron trichloride

Boron trichloride
Names
	IUPAC name Boron trichloride
	Other names Boron(III) chloride; Trichloroborane
Identifiers
CAS Number	10294-34-5 ;
3D model (JSmol)	Interactive image;
ChemSpider	23480 ;
ECHA InfoCard	100.030.586
EC Number	233-658-4;
PubChem CID	25135;
RTECS number	ED1925000;
UNII	K748471RAG ;
CompTox Dashboard (EPA)	DTXSID2041676 ;
	InChI InChI=1S/B.3ClH/h;31H/q+3;;;/p-3 Key: PYQQLJUXVKZOPJ-UHFFFAOYSA-K ; InChI=1/B.3ClH/h;31H/q+3;;;/p-3 Key: PYQQLJUXVKZOPJ-DFZHHIFOAV;
	SMILES ClB(Cl)Cl;
Properties
Chemical formula	BCl3
Molar mass	117.16 g·mol−1
Appearance	Colorless gas,; fumes in air
Density	1.326 g/cm3
Melting point	−107.3 °C (−161.1 °F; 165.8 K)
Boiling point	12.6 °C (54.7 °F; 285.8 K)
Solubility in water	hydrolysis
Solubility	soluble in CCl4, ethanol
Magnetic susceptibility (χ)	−59.9·10−6 cm3/mol
Refractive index (nD)	1.00139
Structure
Molecular shape	Trigonal planar (D3h)
Dipole moment	zero
Thermochemistry
Heat capacity (C)	107 J/(mol·K)
Std molar; entropy (S⦵298)	206 J/(mol·K)
Std enthalpy of; formation (ΔfH⦵298)	−427 kJ/mol
Gibbs free energy (ΔfG⦵)	−387.2 kJ/mol
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	May be fatal if swallowed or if inhaled; Causes serious burns to eyes, skin, mouth, lungs, etc.; Contact with water gives HCl
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H300, H314, H330
NFPA 704 (fire diamond)	4 0 2 W
Flash point	Non-flammable
Safety data sheet (SDS)	ICSC 0616
Related compounds
Other anions	Boron trifluoride; Boron tribromide; Boron triiodide;
Other cations	Aluminium trichloride; Gallium trichloride; Indium(III) chloride; Thallium(III) chloride;
Related compounds	Boron trioxide; Carbon tetrachloride;
	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 trichloride is the inorganic compound with the formula BCl₃. This colorless gas is a reagent in organic synthesis. It is highly reactive towards water.

Names


IUPAC name Boron trichloride
Other names Boron(III) chloride Trichloroborane
Identifiers
CAS Number	10294-34-5^Y
3D model (JSmol)	Interactive image
ChemSpider	23480^Y
ECHA InfoCard	100.030.586
EC Number	233-658-4
PubChem CID	25135
RTECS number	ED1925000
UNII	K748471RAG^Y
CompTox Dashboard (EPA)	DTXSID2041676
InChI InChI=1S/B.3ClH/h;31H/q+3;;;/p-3^Y Key: PYQQLJUXVKZOPJ-UHFFFAOYSA-K^Y InChI=1/B.3ClH/h;31H/q+3;;;/p-3 Key: PYQQLJUXVKZOPJ-DFZHHIFOAV
SMILES ClB(Cl)Cl
Properties
Chemical formula	BCl₃
Molar mass	117.16 g·mol⁻¹
Appearance	Colorless gas, fumes in air
Density	1.326 g/cm³
Melting point	−107.3 °C (−161.1 °F; 165.8 K)
Boiling point	12.6 °C (54.7 °F; 285.8 K)
Solubility in water	hydrolysis
Solubility	soluble in CCl₄, ethanol
Magnetic susceptibility (χ)	−59.9·10⁻⁶ cm³/mol
Refractive index (n_D)	1.00139
Structure
Molecular shape	Trigonal planar (D_3h)
Dipole moment	zero
Thermochemistry
Heat capacity (C)	107 J/(mol·K)
Std molar entropy (S^⦵₂₉₈)	206 J/(mol·K)
Std enthalpy of formation (Δ_fH^⦵₂₉₈)	−427 kJ/mol
Gibbs free energy (Δ_fG^⦵)	−387.2 kJ/mol
Hazards
Occupational safety and health (OHS/OSH):
Main hazards	May be fatal if swallowed or if inhaled Causes serious burns to eyes, skin, mouth, lungs, etc. Contact with water gives HCl
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H300, H314, H330
NFPA 704 (fire diamond)	4 0 2 W
Flash point	Non-flammable
Safety data sheet (SDS)	ICSC 0616
Related compounds
Other anions	Boron trifluoride Boron tribromide Boron triiodide
Other cations	Aluminium trichloride Gallium trichloride Indium(III) chloride Thallium(III) chloride
Related compounds	Boron trioxide Carbon tetrachloride
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