MilliporeSigma
All Photos(1)

59678

Supelco

Potassium phosphate dibasic

suitable for HPLC, LiChropur, 99.0-101.0% (T)

Sign Into View Organizational & Contract Pricing

Select a Size

Synonym(s):
Dipotassium hydrogenphosphate, Dipotassium phosphate, sec.-Potassium phosphate
Linear Formula:
K2HPO4
CAS Number:
Molecular Weight:
174.18
EC Number:
MDL number:

Assay

99.0-101.0% (T)

form

powder or crystals

quality

LiChropur

technique(s)

HPLC: suitable

loss

≤1.0% loss on drying

pH

8.7-9.3

solubility

H2O: 5%, clear, colorless

UV absorption

λ: 230 nm Amax: ≤0.15
λ: 240 nm Amax: ≤0.12
λ: 250 nm Amax: ≤0.11
λ: 310 nm Amax: ≤0.05
λ: 500 nm Amax: ≤0.02

SMILES string

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

InChI

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

InChI key

ZPWVASYFFYYZEW-UHFFFAOYSA-L

Looking for similar products? Visit Product Comparison Guide

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
PX1570P828160356
Potassium phosphate dibasic suitable for HPLC, LiChropur™, 99.0-101.0% (T)

Supelco

59678

Potassium phosphate dibasic

-
Potassium phosphate dibasic Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Supelco

PX1570

Potassium phosphate dibasic

-
Potassium phosphate dibasic reagent grade, ≥98.0%

Sigma-Aldrich

P8281

Potassium phosphate dibasic

Essential Grade
Potassium phosphate dibasic puriss. p.a., ACS reagent, anhydrous, ≥99.0% (T)

Sigma-Aldrich

60356

Potassium phosphate dibasic

Essential Grade
form

powder or crystals

form

granular

form

powder

form

powder or crystals

technique(s)

HPLC: suitable

technique(s)

-

technique(s)

-

technique(s)

-

pH

8.7-9.3

pH

9 (20 °C, 10 g/L in H2O)

pH

8.7-9.3 (25 °C, 50 g/L)

pH

8.5-9.6 (25 °C, 50 mg/mL in H2O)

solubility

H2O: 5%, clear, colorless

solubility

1600 g/L

solubility

water: 200 mg/mL, clear to slightly hazy, colorless

solubility

-

quality

LiChropur

quality

-

quality

-

quality

-

Recommended products

Discover LiChropur reagents ideal for HPLC or LC-MS analysis

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

related product

Product No.
Description
Pricing

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

Slide 1 of 7

1 of 7

Ashley Maynard et al.
Cell, 182(5), 1232-1251 (2020-08-22)
Lung cancer, the leading cause of cancer mortality, exhibits heterogeneity that enables adaptability, limits therapeutic success, and remains incompletely understood. Single-cell RNA sequencing (scRNA-seq) of metastatic lung cancer was performed using 49 clinical biopsies obtained from 30 patients before and

Articles

Separation of Organic Acids with 100% aqueous mobile phase using an Ascentis® Express AQ-C18 HPLC Column

A new RP-HPLC method is proposed for the determination of organic acids in 100% aqueous mobile phase using an Ascentis® Express AQ-C18 column

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service