Skip to Content
Merck
CN

RDD019

Potassium phosphate tribasic

anhydrous, free-flowing, Redi-Dri™, reagent grade, ≥97%

Synonym(s):

Tripotassium phosphate

Sign In to View Organizational & Contract Pricing.

Select a Size

About This Item

Linear Formula:
K3PO4
CAS Number:
7778-53-2
Molecular Weight:
212.27
NACRES:
NA.25
PubChem Substance ID:
329824228
UNSPSC Code:
12161700
EC Number:
231-907-1
MDL number:
MFCD00036295

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Product Name

Potassium phosphate tribasic, anhydrous, free-flowing, Redi-Dri™, reagent grade, ≥97%

InChI

1S/3K.H3O4P/c;;;1-5(2,3)4/h;;;(H3,1,2,3,4)/q3*+1;/p-3

InChI key

LWIHDJKSTIGBAC-UHFFFAOYSA-K

SMILES string

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

grade

anhydrous
reagent grade

product line

Redi-Dri™

assay

≥97%

form

crystalline

quality

free-flowing

loss

≤5.0% loss on ignition

pH

11.9 (25 °C, 10 g/L)

solubility

water: 100 mg/mL, clear, colorless

density

2.564 g/mL at 25 °C (lit.)

Quality Level

100

Looking for similar products? Visit Product Comparison Guide

Related Categories

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

hcodes

H318,H335

Hazard Classifications

Eye Dam. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
0000520473
0000520473
0000506746
0000506746
MKCX6142

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Cynthia G Flores-Hernández et al.
Polymers, 13(4) (2021-02-11)
The objective of the study was to obtain a new biodegradable graft polymer by performing two chemical processes: first, a transesterification reaction between carboxylic acid's salt and ethyl acrylate's ester, followed by polymerization of the vinyl group from the ethyl
Janaina S Lima et al.
Bioprocess and biosystems engineering, 40(4), 511-518 (2016-12-13)
Immobilization of cellulases on magnetic nanoparticles, especially magnetite nanoparticles, has been the main approach studied to make this enzyme, economically and industrially, more attractive. However, magnetite nanoparticles tend to agglomerate, are very reactive and easily oxidized in air, which has
Marta Pastor-Belda et al.
Food chemistry, 221, 76-81 (2016-12-17)
Magnetic solid phase extraction (MSPE) with cobalt ferrite nanoparticles coated with oleic acid is described for the determination of alkylphenols (APs), 4-tert-butylphenol (TBP), 4-pentylphenol (PP), 4-hexylphenol (HP), 4-tert-octylphenol (TOP), 4-n-octylphenol (OP) and 4-nonylphenol (NP) in baby foods using gas chromatography

Articles

Redi-Dri™ – The World of Free-flowing Hygroscopic Products

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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