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di-Sodium hydrogen phosphate dihydrate

SIGALD/04272 - meets analytical specification of Ph. Eur., BP, 98.5-101% (calc. to the dried substance)

Synonym: sec-Sodium phosphate; Disodium hydrogen phosphate dihydrate; Disodium phosphate; Sodium phosphate dibasic dihydrate

CAS Number: 10028-24-7
Empirical Formula (Hill Notation): HNa2O4P · 2H2O
Molecular Weight: 177.99
EC Number: 231-448-7
MDL Number: MFCD00149182
Linear Formula: Na2HPO4 · 2H2O
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-04272-1KG 1 kg
 $58.20
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45-04272-6X1KG 1 kg
 $0.00
6/EA
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45-04272-2.5KG 2.5 kg
 $113.00
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45-04272-6X2.5KG 2.5 kg
 $0.00
6/EA
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45-04272-4X5KG 5 kg
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agency meets analytical specifications of BP
  meets analytical specifications of Ph. Eur.
anion traces chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤100 mg/kg
assay 98.5-101% (calc. to the dried substance)
cation traces As: ≤2 mg/kg
  Fe: ≤10 mg/kg
form crystals
impurities reducing matter, complies
  residual solvents, complies
  ≤0.001% heavy metals (as Pb)
  ≤1% NaH2PO4 (calc. to dried subst.)
InChI 1S/2Na.H3O4P.2H2O/c;;1-5(2,3)4;;/h;;(H3,1,2,3,4);2*1H2/q2*+1;;;/p-2
InChI key KDQPSPMLNJTZAL-UHFFFAOYSA-L
loss 19.5-21% loss on drying, 130 °C
pH 9.0-9.4 (20 °C, 1%)
quality meets analytical specification of Ph. Eur., BP
Quality Level 200 
SMILES string O.O.[Na+].[Na+].OP([O-])([O-])=O
suitability complies for appearance of solution
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