BENTONITE NF POWDER (30-1195)



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  • 1302-78-9
  • Al2O3.4SiO2.H2O
  • 296.32

Caution: *HYGROSCOPIC* - FOR USE AS AN EXCIPIENT

Test Specification
DESCRIPTION VERY FINE, ODORLESS, PALE BUFF OR CREAM-COLORED TO GRAYISH POWDER, FREE FROM GRIT. HAS A SLIGHTLY EARTHY TASTE. IS HYGROSCOPIC.
PH 9.5-10.5
SOLUBILITY INSOLUBLE IN WATER, BUT SWELLS TO APPROXIMATELY TWELVE TIMES ITS VOLUME WHEN ADDED TO WATER; INSOLUBLE IN, AND DOES NOT SWELL IN, ORGANIC SOLVENTS (ALCOHOL).