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RDD019

Sigma-Aldrich

Potassium phosphate tribasic

anhydrous, free-flowing, Redi-Dri™, reagent grade, ≥98%

Synonym(s):

Tripotassium phosphate

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About This Item

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

grade

anhydrous
reagent grade

Quality Level

100

product line

Redi-Dri™

Assay

≥98%

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.)

SMILES string

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

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

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Legal Information

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

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H318,H335

Hazard Classifications

Eye Dam. 1 - STOT SE 3

Target Organs

Respiratory system

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’.

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