Monobasic Sodium Phosphate Monohydrate Granular USP BP Deuterated Compounds for NMR Test Specification Min Max MELTING

Test Specification Min Max MELTING POINT 73 - 75 C 73 - 75 C SOLUBILITY IN ALCOHOL TO PASS TEST TO PASS TEST COLOR (APHA

01% SILICATE (SiO[@3@]) 0

50% COLOR (APHA) 30 RESIDUE AFTER EVAPORATION 0

00% FREEZING POINT 33

Test Specification Min Max POTASSIUM (K) ALUMINUM ARSENIC (As) COPPER (Cu) LEAD (Pb) MANGANESE (Mn) PHOSPHORUS SCANDIUM SODIUM (Na) ZINC (Zn) BARIUM EXPIRATION DATE

Monobasic Sodium Phosphate Monohydrate Granular USP BP Deuterated Compounds for NMR Test Specification Min Max MELTINGTest Specification Min Max ASSAY (NaH[@2@]PO[@4@]; ANHYDROUS BASIS) 98 100. 50% pH OF A 5% SOLUTION (ACIDITY) 4. 2 4. 5 LOSS ON DRYING 11. 5 14. 50% WATER DETERMINATION 10 15. 00% INSOLUBLE SUBSTANCES 0. 20% CHLORIDE (Cl) 0. 01% SULFATES (SO[@4@]) 300 ppm Al, Ca, & RELATED ELEMENTS TO PASS TEST TO PASS TEST ARSENIC (As) 2 ppm ELEMENTAL IMPURITIES AS REPORTED AS REPORTED IRON (Fe) 10 ppm CLARITY AND COLOUR OF SOLUTION TO PASS TEST TO PASS TEST REDUCING