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P9666

Sigma-Aldrich

Potassium phosphate dibasic trihydrate

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

grade

for 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

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

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Related Categories

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Dibasic potassium phosphate United States Pharmacopeia (USP) Reference Standard

USP

1551128

Dibasic potassium phosphate

Potassium phosphate dibasic ACS reagent, ≥98%

Sigma-Aldrich

P3786

Potassium phosphate dibasic

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