Boron trichloride

Boron trichloride
Boron trichloride
Boron trichloride
Boron trichloride
Boron trichloride
Names
IUPAC name
Boron trichloride
Other names
Boron(III) chloride
Trichloroborane
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.586 Edit this at Wikidata
EC Number
  • 233-658-4
RTECS number
  • ED1925000
UNII
  • InChI=1S/B.3ClH/h;3*1H/q+3;;;/p-3 checkY
    Key: PYQQLJUXVKZOPJ-UHFFFAOYSA-K checkY
  • InChI=1/B.3ClH/h;3*1H/q+3;;;/p-3
    Key: PYQQLJUXVKZOPJ-DFZHHIFOAV
  • ClB(Cl)Cl
Properties
BCl3
Molar mass 117.17 g/mol
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)[1]
hydrolysis
Solubility soluble in CCl4, ethanol
-59.9·10−6 cm3/mol
1.00139
Structure
Trigonal planar (D3h)
zero
Thermochemistry
107 J/mol K
206 J/mol K
-427 kJ/mol
-387.2 kJ/mol
Hazards[2]
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:
Press. GasAcute Tox. 2Skin Corr. 1B
Danger
H300, H314, H330[note 1]
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 4: Very short exposure could cause death or major residual injury. E.g. VX gasFlammability 0: Will not burn. E.g. waterInstability 2: Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water. E.g. white phosphorusSpecial hazard W: Reacts with water in an unusual or dangerous manner. E.g. sodium, sulfuric acid
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
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).
checkY verify (what is checkY☒N ?)

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.

  1. ^ Cite error: The named reference EROS was invoked but never defined (see the help page).
  2. ^ Index no. 005-002-00-5 of Annex VI, Part 3, to Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16 December 2008 on classification, labelling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and amending Regulation (EC) No 1907/2006. OJEU L353, 31.12.2008, pp 1–1355 at p 341.


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