223522
Sodium phosphate monobasic monohydrate
≥98%, ACS reagent
Synonym(s):
Monosodium phosphate, Sodium dihydrogen phosphate monohydrate
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About This Item
Linear Formula:
NaH2PO4 · H2O
CAS Number:
Molecular Weight:
137.99
EC Number:
231-449-2
UNSPSC Code:
12161700
MDL number:
InChI key
BBMHARZCALWXSL-UHFFFAOYSA-M
InChI
1S/Na.H3O4P.H2O/c;1-5(2,3)4;/h;(H3,1,2,3,4);1H2/q+1;;/p-1
SMILES string
[Na+].[H]O[H].OP(O)([O-])=O
grade
ACS reagent
assay
≥98%, 98.0-102.0%
impurities
≤0.01% Ca ppt., ≤0.01% NH4OH pptd., ≤0.01% insolubles pptd.
pH
4.1-4.5
anion traces
chloride (Cl-): ≤5 ppm, sulfate (SO42-): ≤0.003%
cation traces
Fe: ≤0.001%, heavy metals: ≤0.001%
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Packaging
Packaged in poly bottles
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