3 LiAlH4 + 4 BCl3 2 B2H6 + 3 LiCl + 3 AlCl3

This is an oxidation-reduction (redox) reaction:

4 BIII + 24 e- 4 B-III (reduction)

12 H-I - 24 e- 12 HI (oxidation)

BCl3 is an oxidizing agent, LiAlH4 is a reducing agent.

Reactants:

  • LiAlH4Lithium tetrahydridoaluminate(III) source: wikipedia, accessed: 2019-09-27, Lithium alumanuide source: wikipedia, accessed: 2019-09-27
    • Other names: Lithium aluminium hydride source: wikipedia, accessed: 2019-09-27, Lithium aluminum hydride source: wikidata, accessed: 2019-09-02, Li[AlH4] source: wikidata, accessed: 2019-09-02
    • Appearance: White crystals (pure samples) | grey powder (commercial material) | hygroscopic source: wikipedia, accessed: 2019-09-27
  • 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

Products:

  • B2H6Diborane(6) source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Diborane source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02source: wikidata, accessed: 2019-09-02, Boroethane source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Boron hydride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Appearance: Colorless gas source: wikipedia, accessed: 2019-09-27; Colourless compressed gas with characteristic odour source: ICSC, accessed: 2019-09-04; Colorless gas with a repulsive, sweet odor. [Note: Usually shipped in pressurized cylinders diluted with hydrogen, argon, nitrogen, or helium.] source: NIOSH NPG, accessed: 2019-09-02
  • LiClLithium chloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Lithium(1+) chloride source: wikipedia, accessed: 2019-09-27
    • Other names: LiCl source: wikidata, accessed: 2019-09-02
    • Appearance: White solid | hygroscopic, sharp source: wikipedia, accessed: 2019-09-27; Colourless-to-white hygroscopic and deliquescent crystals or powder source: ICSC, accessed: 2019-09-04
  • AlCl3Aluminium chloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Aluminium(III) chloride source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04, Aluminum trichloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Aluminum chloride source: wikidata, accessed: 2019-09-02
    • Appearance: White or pale yellow solid | hygroscopic source: wikipedia, accessed: 2019-09-27; Colourless-to-white powder. turns grey-to-yellow on exposure to moisture source: ICSC, accessed: 2019-09-04