Specification Sheet
Product Name Sodium phosphate dibasic dihydrate,
puriss. p.a., Reag. Ph. Eur., 98.5-101.0% (calc. to the dried substance)
Product Number 30435
Product Brand SIGALD
CAS Number 10028-24-7
Molecular Weight 177.99
 
TEST SPECIFICATION
APPEARANCE (COLOR) Colorless or White
APPEARANCE (FORM) Crystals
TITRATION 98.5 - 101.0 % (calc. to the dried substance)-br-Assay NaH2PO4 (Calc. to Dried Subst.) ≤ 0.5%
SOLUBILITY (COLOR) complying
SOLUBILITY (TURBIDITY) complying
SOLUBILITY (METHOD) ACC. TO PH.EUR.
PH-TEST 9.0 - 9.2
PH (METHOD) 5% in water, 20C
LOSS ON DRYING 19.5 - 21.0 % (130C)
PHARMACOPOEA TESTS CORRESPONDS TO REQUIREMENTS
Remarks on Pharmakopoea Test Heavy Metals (as Pb); ≤ 5 mg/kg -br- Reducing Impurities complying
IRON (ICP) ≤ 5 mg/kg
POTASSIUM (ICP) ≤ 50 mg/kg
ARSENIC TRACES (MHS-AAS) ≤ 0.5 mg/kg
TOTAL SULFUR AS SO4 (ICP) ≤ 50 mg/kg
CHLORIDE (CL) ≤ 10 mg/kg
TOTAL NITROGEN ≤ 10 mg/kg
RECOMMENDED RETEST PERIOD 42 MONTHS