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HAFNIUM n-BUTOXIDE, 45% in hexane
Molecular Weight: 470.95
Specific Gravity: 0.87
Flashpoint: -23°C (-9°F)
HMIS Key: 3-4-1-X
Hydrolytic Sensitivity: 7: reacts slowly with moisture/water
Formula: C16H36HfO4
Application: Sintering aid for Si3N4 used in gas turbines.1
Efficient catalyst for direct esterification of carboxylic acids with alcohols.2
Reference: 1. Hirata, T. Jpn. Kokai Tokkyo Koho 07 133,158, 1993; Chem. Abstr. 123, 235931.
2. Ishihara, K. et al. Science 2000, 290, 1140.
Additional Properties: Contains 1-2% Zr analog
Silanes
Metal-Organics