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71645

Sigma-Aldrich

Sodium phosphate dibasic dihydrate

BioXtra, ≥98.0% (T)

Synonym(s):
sec-Sodium phosphate, Disodium hydrogen phosphate dihydrate, Disodium phosphate, di-Sodium hydrogen phosphate dihydrate
Linear Formula:
Na2HPO4 · 2H2O
CAS Number:
Molecular Weight:
177.99
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.26

product line

BioXtra

Quality Level

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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Related Categories

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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