178713

9-Borabicyclo[3.3.1]nonane dimer

• Synonym(s): 9-BBN
• Empirical Formula (Hill Notation): C₁₆H₃₀B₂
• CAS Number: 21205-91-4
• Molecular Weight: 244.03
• Beilstein/REAXYS Number: 605509
• MDL number: MFCD00168069
• UNSPSC Code: 12352005
• PubChem Substance ID: 24850763
• NACRES: NA.22

Properties

• form: solid
• reaction suitability: reagent type: reductant
• mp: 150-152 °C (lit.)
• SMILES string: C1C[C@H]2CCC[C@@H](C1)B2B3[C@H]4CCC[C@@H]3CCC4
• InChI: 1S/C16H28B2/c1-5-13-7-2-8-14(6-1)17(13)18-15-9-3-10-16(18)12-4-11-15/h13-16H,1-12H2/t13-,14+,15-,16+
• InChI key: IYDIZBOKVLHCQZ-GEEKYZPCSA-N

Description

Application

Air-stable, crystalline reagent used to reductively cleave cyclic acetals and ketals to monobenzylated 1,2-diols.

Employed in the hydroboration of alkynes, nitriles, and ketones.

Reagent found to reduce peroxo esters to alcohols without concomitant reduction of the peroxo linkage.

Safety Information

• pictograms: GHS02,GHS07
• signalword: Danger
• hcodes: H228,H261,H315,H319,H335
• pcodes: P210 - P231 + P232 - P261 - P305 + P351 + P338 - P422
• Hazard Classifications: Eye Irrit. 2 - Flam. Sol. 1 - Skin Irrit. 2 - STOT SE 3 - Water-react 2
• supp_hazards: EUH014
• Storage Class: 4.3 - Hazardous materials which set free flammable gases upon contact with water
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type P3 (EN 143) respirator cartridges