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Merck

71645

di-Sodium hydrogen phosphate dihydrate

BioXtra, ≥98.0% (T)

Synonym(s):

sec-Sodium phosphate, Disodium hydrogen phosphate dihydrate, Disodium phosphate, Sodium phosphate dibasic dihydrate

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About This Item

Linear Formula:
Na2HPO4 · 2H2O
CAS Number:
Molecular Weight:
177.99
NACRES:
NA.26
PubChem Substance ID:
UNSPSC Code:
12352209
EC Number:
231-448-7
MDL number:
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product line

BioXtra

Quality Segment

assay

≥98.0% (T)

form

crystals

loss

20-21% loss on drying

pH

8.8-9.4 (50 mg/mL in H2O)

solubility

hot water: 0.5 g/10 mL, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤50 mg/kg

cation traces

Ca: ≤50 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤50 mg/kg, K: ≤100 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg

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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Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)



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