Skip to Content
Merck

RDD020

Potassium phosphate monobasic

anhydrous, free-flowing, Redi-Dri, ReagentPlus®, ≥99.0% (titration)

Synonym(s):

Potassium dihydrogen phosphate, prim.-Potassium phosphate


Sign In to View Organizational & Contract Pricing

Select a Size

1 KG

$260.00

$260.00


Please contact Customer Service for Availability
Limited Time Offer: Save on this item!

Request a Bulk Order

About This Item

Linear Formula:
KH2PO4
CAS Number:
Molecular Weight:
136.09
EC Number:
MDL number:
UNSPSC Code:
12161700
PubChem Substance ID:
NACRES:
NA.21

Skip To

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

grade

anhydrous

Quality Level

product line

ReagentPlus®
Redi-Dri

Assay

≥99.0% (titration)

form

crystalline

quality

free-flowing

pKa (25 °C)

(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

mp

252.6 °C (lit.)

solubility

water: 100 mg/mL, clear, colorless

density

2.338 g/mL at 25 °C (lit.)

SMILES string

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

InChI

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

InChI key

GNSKLFRGEWLPPA-UHFFFAOYSA-M

Looking for similar products? Visit Product Comparison Guide

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
0424360229RDD037
grade

anhydrous

grade

anhydrous

grade

anhydrous

grade

-

assay

≥99.0% (titration)

assay

98-100.5% (calc. to the dried substance)

assay

98-100.5% dry basis

assay

≥99.0%

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

100

product line

ReagentPlus®, Redi-Dri

product line

-

product line

-

product line

Redi-Dri

form

crystalline

form

crystalline

form

crystalline

form

-

solubility

water: 100 mg/mL, clear, colorless

solubility

H2O: soluble 4.5 parts, alcohol: insoluble

solubility

water: 208 g/L at 20 °C

solubility

-

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Storage Class Code

13 - Non 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

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.

Already Own This Product?

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

Visit the Document Library

Articles

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

Questions

Reviews

No rating value

Active Filters

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