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Potassium phosphate dibasic - Analytical Reagent,99.0%, high purity , CAS No.16788-57-1

63 Citations

COA

Grade & Purity:

≥99.0%

Cas Number: 16788-57-1
Molecular Weight: 228.22
EC Number: 231-834-5
MDL number: MFCD00149926
PubChem CID: 16217523

In stock

Item Number

P112277

Grouped product items
SKU	Size	Availability	Price
P112277-100g	100g	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$23.90
P112277-500g	500g	3	$88.90
P112277-20×500g	20×500g	Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding.	$1,600.90

Basic Description

Synonyms	FT-0625293 \| Dipotassium orthophosphate, trihydrate \| DTXSID60168418 \| Phosphoric acid, dipotassium salt, trihydrate \| Potassium Hydrogen Phosphate Trihydrate \| trihydratedibasicpotassium phosphate \| AKOS015914013 \| XQGPKZUNMMFTAL-UHFFFAOYSA-L \| AKOS01595
Specifications & Purity	AR, ≥99.0%
Shipped In	Normal
Grade	AR

Taxonomic Classification

Taxonomy Tree

Kingdom Inorganic compounds
- Superclass Mixed metal/non-metal compounds
  - Class Alkali metal oxoanionic compounds
    - Subclass Alkali metal phosphates

Kingdom	Inorganic compounds
Superclass	Mixed metal/non-metal compounds
Class	Alkali metal oxoanionic compounds
Subclass	Alkali metal phosphates
Intermediate Tree Nodes	Not available
Direct Parent	Alkali metal phosphates
Alternative Parents	Inorganic salts Inorganic oxides
Molecular Framework	Not available
Substituents	Alkali metal phosphate - Inorganic oxide - Inorganic salt
Description	This compound belongs to the class of inorganic compounds known as alkali metal phosphates. These are inorganic compounds in which the largest oxoanion is phosphate, and in which the heaviest atom not in an oxoanion is an alkali metal.
External Descriptors	Not available
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

Names and Identifiers

IUPAC Name	dipotassium;hydrogen phosphate;trihydrate
INCHI	InChI=1S/2K.H3O4P.3H2O/c;;1-5(2,3)4;;;/h;;(H3,1,2,3,4);31H2/q2+1;;;;/p-2
InChIKey	XQGPKZUNMMFTAL-UHFFFAOYSA-L
Smiles	O.O.O.OP(=O)([O-])[O-].[K+].[K+]
Isomeric SMILES	O.O.O.OP(=O)([O-])[O-].[K+].[K+]
WGK Germany	3
Molecular Weight	228.22
Reaxy-Rn	16823798
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=16823798&ln=

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

25 results found

Lot Number	Certificate Type	Date	Item
F2505446	Certificate of Analysis	Jun 09, 2025	P112277
F2505438	Certificate of Analysis	Jun 09, 2025	P112277
F2505431	Certificate of Analysis	Jun 09, 2025	P112277
D2502092	Certificate of Analysis	Apr 09, 2025	P112277
J2415550	Certificate of Analysis	Oct 21, 2024	P112277
J2415558	Certificate of Analysis	Oct 21, 2024	P112277
J2415547	Certificate of Analysis	Oct 21, 2024	P112277
G2409410	Certificate of Analysis	Jul 16, 2024	P112277
G2409402	Certificate of Analysis	Jul 16, 2024	P112277
G2408059	Certificate of Analysis	Jul 09, 2024	P112277
E2508288	Certificate of Analysis	Jun 13, 2024	P112277
G2308467	Certificate of Analysis	Jul 19, 2023	P112277
G2308464	Certificate of Analysis	Jul 18, 2023	P112277
G2308458	Certificate of Analysis	Jul 17, 2023	P112277
G2308470	Certificate of Analysis	Jul 17, 2023	P112277
C23161330	Certificate of Analysis	Mar 21, 2023	P112277
I2223237	Certificate of Analysis	Sep 27, 2022	P112277
I2223238	Certificate of Analysis	Sep 27, 2022	P112277
A2329033	Certificate of Analysis	Sep 27, 2022	P112277
F2230436	Certificate of Analysis	Jul 06, 2022	P112277
K2130213	Certificate of Analysis	Dec 04, 2021	P112277
B2224485	Certificate of Analysis	Dec 04, 2021	P112277
B2224488	Certificate of Analysis	Dec 04, 2021	P112277
K2130190	Certificate of Analysis	Dec 03, 2021	P112277
F2230437	Certificate of Analysis	Dec 03, 2021	P112277

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Chemical and Physical Properties

Sensitivity	Moisture sensitive.
Molecular Weight	228.220 g/mol
XLogP3
Hydrogen Bond Donor Count	4
Hydrogen Bond Acceptor Count	7
Rotatable Bond Count	0
Exact Mass	227.92 Da
Monoisotopic Mass	227.92 Da
Topological Polar Surface Area	86.400 Å²
Heavy Atom Count	10
Formal Charge	0
Complexity	46.500
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	6

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