30435
di-Sodium hydrogen phosphate dihydrate
puriss. p.a., reag. Ph. Eur., 98.5-101.0% (calc. to the dried substance)
Synonym(s):
sec-Sodium phosphate, Disodium hydrogen phosphate dihydrate, Disodium phosphate, Sodium phosphate dibasic dihydrate
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About This Item
Quality Segment
agency
USP/NF, reag. Ph. Eur.
grade
puriss. p.a.
assay
98.5-101.0% (calc. to the dried substance)
form
crystals
impurities
reducing impurities, complies, ≤0.0005% heavy metals (as Pb), ≤0.001% total nitrogen (N), ≤0.5% NaH2PO4 (calc. to dried subst.)
loss
19.5-21.0% loss on drying, 130 °C
pH
9.0-9.2 (20 °C, 5%)
anion traces
chloride (Cl-): ≤10 mg/kg, sulfate (SO42-): ≤50 mg/kg
cation traces
As: ≤0.5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg
suitability
in accordance for appearance of solution
SMILES string
O.O.[Na+].[Na+].OP([O-])([O-])=O
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
General description
Application
- 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.
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Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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