1.06575
di-Sodium hydrogen phosphate heptahydrate
for analysis EMSURE® ACS
Synonym(s):
Sodium phosphate dibasic heptahydrate, Disodium hydrogen phosphate heptahydrate, Disodium phosphate
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About This Item
grade
ACS reagent
Quality Level
vapor density
4.9 (vs air)
product line
EMSURE®
assay
98.0-102.0% (acidimetric)
form
solid
potency
12930 mg/kg LD50, oral (Rat)
impurities
≤0.005% Insoluble matter
pH
8.7-9.3 (25 °C, 50 g/L in H2O)
mp
48 °C (Elimination of water of crystallisation)
solubility
154 g/L
density
1.68 g/mL at 25 °C (lit.)
bulk density
800 kg/m3
anion traces
chloride (Cl-): ≤0.001%, sulfate (SO42-): ≤0.005%
cation traces
Fe: ≤0.001%, heavy metals: ≤0.001%
storage temp.
2-30°C
SMILES string
O.O.O.O.O.O.O.[Na+].[Na+].OP([O-])([O-])=O
InChI
1S/2Na.H3O4P.7H2O/c;;1-5(2,3)4;;;;;;;/h;;(H3,1,2,3,4);7*1H2/q2*+1;;;;;;;;/p-2
InChI key
PYLIXCKOHOHGKQ-UHFFFAOYSA-L
Analysis Note
Identity: passes test
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water, 25 °C): 8.7 - 9.3
Chloride (Cl): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.005 %
Heavy metals (ACS): ≤ 0.001 %
Fe (Iron): ≤ 0.001 %
Corresponds to ACS
Other Notes
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Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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