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60349

Potassium phosphate dibasic trihydrate

Name: Potassium phosphate dibasic trihydrate
Brand: SIGALD

puriss. p.a., ≥99.0% (T)

Synonym(s):

Dipotassium hydrogen phosphate trihydrate, Dipotassium phosphate, di-Potassium hydrogen phosphate trihydrate

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About This Item

Linear Formula:

K₂HPO₄ · 3H₂O

CAS Number:

16788-57-1

Molecular Weight:

228.22

NACRES:

NA.21

PubChem Substance ID:

329758892

UNSPSC Code:

12352302

EC Number:

231-834-5

MDL number:

MFCD00149926

Assay:

≥99.0% (T)

Form:

crystals

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Properties

grade

puriss. p.a.

Quality Level

200

assay

≥99.0% (T)

form

crystals

impurities

≤0.001% total nitrogen (N)

pH

9.1-9.4 (25 °C, 50 mg/mL in H₂O)

anion traces

chloride (Cl^-): ≤20 mg/kg, sulfate (SO₄^2-): ≤50 mg/kg

cation traces

As: ≤0.1 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Na: ≤500 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

SMILES string

O.O.O.[K+].[K+].OP([O-])([O-])=O

InChI

1S/2K.H3O4P.3H2O/c;;1-5(2,3)4;;;/h;;(H3,1,2,3,4);3*1H2/q2*+1;;;;/p-2

InChI key

XQGPKZUNMMFTAL-UHFFFAOYSA-L

Description

General description

Potassium phosphate dibasic trihydrate (K₂HPO₄.3H₂O, Dipotassium hydrogen phosphate trihydrate, Dipotassium phosphate, di-Potassium hydrogen phosphate trihydrate) is the potassium salt having a pH in the range of 9.1-9.4.

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Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Global Trade Item Number

SKU	GTIN
60349-250G	04061832675695