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Merck
CN

P9666

Potassium phosphate dibasic trihydrate

Molecular Biology, ≥99%

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.25
PubChem Substance ID:
24899052
UNSPSC Code:
12161700
EC Number:
231-834-5
MDL number:
MFCD00149926

Key Documents

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Product Name

Potassium phosphate dibasic trihydrate, Molecular Biology, ≥99%

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

SMILES string

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

grade

Molecular Biology

assay

≥99%

form

powder or crystals

quality

200

pH

9.2-9.4 (25 °C, 50 g/L)

solubility

water: 100 mg/mL, clear, colorless

anion traces

chloride (Cl-): ≤30 ppm

cation traces

Fe: ≤10 ppm
heavy metals (as Pb): ≤5 ppm

foreign activity

DNase, RNase and protease, none detected

Quality Level

200

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Related Categories

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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Certificates of Analysis (COA)

Lot/Batch Number
0000513927
0000513927
0000501327
0000501327
0000485521

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