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di-Sodium hydrogen phosphate dihydrate

SIGALD/30435 - puriss. p.a., reag. Ph. Eur., 98.5-101.0% (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
45-30435-500G 500 g
 $63.00
1/EA		 Add To Favorites
45-30435-1KG 1 kg
 $109.00
1/EA		 Add To Favorites
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 30435-500G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 30435-1KG

 

agency reag. Ph. Eur.
  USP/NF
anion traces chloride (Cl-): ≤10 mg/kg
  sulfate (SO42-): ≤50 mg/kg
assay 98.5-101.0% (calc. to the dried substance)
cation traces As: ≤0.5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤50 mg/kg
form crystals
grade puriss. p.a.
impurities reducing impurities, complies
  ≤0.0005% heavy metals (as Pb)
  ≤0.001% total nitrogen (N)
  ≤0.5% 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 19.5-21.0% loss on drying, 130 °C
pH 9.0-9.2 (20 °C, 5%)
Quality Level 200 
SMILES string O.O.[Na+].[Na+].OP([O-])([O-])=O
suitability in accordance for appearance of solution
Application: Sodium phosphate dibasic dihydrate is used:
• In the synthesis of BiOCl/BiPO4 composites from bismuth nitrate pentahydrate and potassium chloride by the microwave-assisted hydrothermal method.
• To prepare sodium phosphate buffer solution.
• As a phosphorus source in the synthesis of Mg-doped hydroxyapatite nanoplates.
General description: Sodium phosphate dibasic dihydrate is a highly hygroscopic and water-soluble compound. It is used in water softeners, cleaners also as buffers in particular formulations.
WGK Germany WGK 1
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity 98.5-101.0% (calc. to the dried substance)
UNSPSC 12352302

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