30435
Sodium phosphate dibasic dihydrate
puriss. p.a., reag. Ph. Eur., 98.5-101.0% (calc. to the dried substance)
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Agency
USP/NF
reag. Ph. Eur.
Quality Level
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
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This Item | 71645 | 71662 | 71643 |
|---|---|---|---|
| grade puriss. p.a. | grade - | grade - | grade - |
| assay 98.5-101.0% (calc. to the dried substance) | assay ≥98.0% (T) | assay 98.0-101.0% (dried substance) | assay ≥99.0% (T) |
| form crystals | form crystals | form solid | form crystals |
| impurities reducing impurities, complies, ≤0.0005% heavy metals (as Pb), ≤0.001% total nitrogen (N), ≤0.5% NaH2PO4 (calc. to dried subst.) | impurities - | impurities - | impurities DNases, none detected, RNases, none detected, insoluble matter, passes filter test, phosphatases, none detected, proteases, none detected, ≤0.001% total nitrogen (N) |
| pH 9.0-9.2 (20 °C, 5%) | pH 8.8-9.4 (50 mg/mL in H2O) | pH - | pH 8.9-9.2 (25 °C, 0.5 M in H2O) |
| anion traces chloride (Cl-): ≤10 mg/kg, sulfate (SO42-): ≤50 mg/kg | anion traces chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤50 mg/kg | anion traces - | anion traces chloride (Cl-): ≤10 mg/kg, sulfate (SO42-): ≤50 mg/kg |
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.
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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