Specification Sheet
Product Name Sodium fluoride,
puriss., meets analytical specification of Ph. Eur., BP, USP, 98.5-100.5% (calc. to the dried substance)
Product Number 01148
Product Brand SIGALD
CAS Number 7681-49-4
Molecular Weight 41.99
 
TEST SPECIFICATION
TITRATABLE ACID free acid (as HF): ≤ 0.2 %
TITRATABLE BASE free alkali (as NaOH): ≤ 0.1 %
ASSAY 98.5 - 100.5 % (calc. to the dried substance)
SOLUBILITY (COLOR) Colorless
SOLUBILITY (TURBIDITY) Clear
LOSS ON DRYING ≤ 0.5 % (150C)
≤ 0.5 % (130C/3h)
ACIDITY OR ALKALINITY Complying
RESIDUAL SOLVENTS Complying
HEAVY METALS ≤ 20 ppm
PROOF OF IDENTITY IDENTITY CORRESPONDS
MISCELLANEOUS TESTS fluorosilicate (SiF6): complying
sodium hexafluorosilicate (Na2SiF6): ≤ 0.2 %
IRON ≤ 0.005 %
CHLORIDE (CL) ≤ 10 ppm
SULFATE (SO4) ≤ 200 ppm
REMARKS Identity, assay and impurities are complying to the monographs of the above mentioned pharmacopeias/codices
RECOMMENDED RETEST PERIOD 60 Months