Barium hydroxide octahydrate

• Catalog No.: A12714
• CAS Number: 12230-71-6
• M. F.: BaO2
• M. W.: 169.3258
• Purity: 97%

SYNONYMS

• Title: 八水合氢氧化钡
• IUPAC name: barium(2+) ion dihydroxide
• IUPAC Traditional name: barium(2+) ion dihydroxide

DATABASE IDS

• Merck Index: 14977
• EC Number: 241-234-5
• MDL Number: MFCD00149152
• CAS Number: 12230-71-6

PROPERTIES

• Storage Warning: Air Sensitive & Hygroscopic
• TSCA Listed: 是
• Hazard Class: 8
• UN Number: UN3262
• Packing Group: III
• GHS Hazard statements: H314-H318-H302-H332
• European Hazard Symbols: X
• European Hazard Symbols: Corrosive (C)
• GHS Precautionary statements: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A
• Risk Statements: 20/22-34
• RTECS: CQ9200000
• Safety Statements: 9-20-26-36/37/39-45
• Purity: 97%
• Density: 2.18
• Melting Point: 78°C

REFERENCES

• Preferred base for the Horner-Wadsworth-Emmons reaction with sensitive aldehydes, such as in formation of complex (E)-enones in natural product synthesis: Synlett, 774 (1993).
• Suzuki coupling of 4-iodopyridines with arylboronic acids is promoted by this base which has advantages for sterically hindered substrates: J. Organomet. Chem., 517, 25 (1996).
• For a brief feature on uses of the reagent, see: Synlett, 1739 (2002).