Specification Sheet
Product Name Potassium tetraborate tetrahydrate,
99%
Product Number 289795
Product Brand ALDRICH
CAS Number 12045-78-2
Molecular Weight 305.50
 
TEST SPECIFICATION
APPEARANCE WHITE POWDER, CRYSTALLINE POWDER OR GRANULAR
  POWDER
X-RAY DIFFRACTION CONFORMS TO STANDARD PATTERN.
  OR
ICP ASSAY CONFIRMS POTASSIUM AND BORON COMPONENTS.
TITRATION 98.5% - 101.5% (13.9% - 14.4% B) (WITH NAOH)
  APPROVED DECEMBER 11, 1997 JSB