Potassium borohydride

• Catalog No.: 32570
• CAS Number: 13762-51-1
• M. F.: BK
• M. W.: 49.9093
• Purity: 98%

SYNONYMS

• Title: 硼氢化钾
• IUPAC name: potassium boranuide
• IUPAC Traditional name: potassium boranuide
• Synonyms: Potassium tetrahydridoborate

DATABASE IDS

• MDL Number: MFCD00011396
• Merck Index: 147616
• EC Number: 237-360-5
• CAS Number: 13762-51-1

PROPERTIES

• Purity: 98%
• Apperance: Powder
• Density: 1.17
• Melting Point: >400°C dec.
• Refractive Index: 1.494
• Solubility: Soluble in water (19g/100g ). methanol (3.9g/100g ). 4:1 water:methanol mixture (13g/100g ).
• GHS Hazard statements: H261-H301-H311-H331-H314-H318
• European Hazard Symbols: Toxic (T)
• European Hazard Symbols: Flammable (F)
• GHS Precautionary statements: P280-P303+P361+P353-P305+P351+P338-P310-P370+P378I-P402+P404
• Risk Statements: 14/15-23/24/25-34
• RTECS: TS7525000
• Safety Statements: 7/8-9-20-26-27-30-33-36/37/39-43-45-60
• Storage Warning: Moisture Sensitive
• TSCA Listed: 是
• Hazard Class: 4.3
• UN Number: UN1870
• Packing Group: I

REFERENCES

• Also used in the selective 1,2-reduction of benzopyrylium salts to chromenes: Bull. Soc. Chim. Fr., 1187 (1977).
• Monograph: J. Seyden-Penne, Reductions by the Alumino- and Borohydrides In Organic Synthesis, 2nd ed., Wiley, N.Y. (1997).
• Gave superior results to LiAlH₄ in the reduction of 9,10-Phenanthrenequinone, A11762 and similar compounds to the trans-diols: J. Med. Chem., 17, 1095 (1974); Tetrahedron Lett., 2587 (1975).
• See also Sodium borohydride, 35788, and Lithium borohydride, 32563.