2 BCl3 Cl2 + B2Cl4

This is an oxidation-reduction (redox) reaction:

2 BIII + 2 e- 2 BII (reduction)

2 Cl-I - 2 e- 2 Cl0 (oxidation)

BCl3 is an oxidizing agent, BCl3 is a reducing agent.


  • BCl3Boron trichloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04
    • Other names: Boron(III) chloride source: wikipedia, accessed: 2019-09-27, Boron chloride source: ICSC, accessed: 2019-09-04, Trichloroborane source: ICSC, accessed: 2019-09-04
    • Appearance: Colorless gas | fumes in air source: wikipedia, accessed: 2019-09-27; Gas or colourless fuming liquid with pungent odour source: ICSC, accessed: 2019-09-04


  • Cl2
    • Names: Chlorine source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Molecular chlorine source: NIOSH NPG, accessed: 2019-09-02
    • Appearance: Greenish-yellow compressed liquefied gas with pungent odour source: ICSC, accessed: 2019-09-04; Greenish-yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.] source: NIOSH NPG, accessed: 2019-09-02
  • B2Cl4
    • Names: Diboron tetrachloride source: wikidata, accessed: 2019-09-03