SILICON DIOXIDE FCC (30-3325)



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  • 7631-86-9
  • SiO2
  • 60.08

Caution: *HYGROSCOPIC* - FOR USE AS AN EXCIPIENT

Test Specification
DESCRIPTION WHITE TO OFF-WHITE, FLUFFY, NON-GRITTY POWDER OF EXTREMELY FINE PARTICLE SIZE AND IS HYGROSCOPIC. THE WET-PROCESS SILICAS OCCUR AS WHITE, FLUFFY POWDERS OR AS WHITE, MICROCELLULAR BEADS OR GRANULES AND ARE HYGROSCOPIC OR ABSORB MOISTURE FROM THE AIR IN VARYING AMOUNTS.
PH 4-8
SOLUBILITY INSOLUBLE IN WATER; SOLUBLE IN HOT, CONCENTRATED SOLUTIONS OF ALKALIES.