Potassium phosphate, tribasic, anhydrous, ≥98% 7778-53-2

Name: Potassium phosphate, tribasic, anhydrous, ≥98%
Brand: Vaqora Chemicals
SKU: VQ-003113

About Potassium phosphate, tribasic, anhydrous, ≥98%

Listed under CAS 7778-53-2, Potassium phosphate, tribasic is a biological buffer available from Vaqora Chemicals at a purity of 98%. With the molecular formula K3O4P, it has a molar mass of 212.27 g/mol. Its systematic (IUPAC) name is tripotassium. Phosphate. Common synonyms include Tripotassium phosphate and Potassium phosphate tribasic.

In its supplied form it is a white powder. Literature values give a melting point of 1,380 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

Key uses span buffer preparation, cell culture, electrophoresis and chromatography and catalysis. Buyers come mainly from academic and industrial research and diagnostics and biotechnology.

Vaqora Chemicals supplies Potassium phosphate, tribasic in 500 g, 1 kg and 2.5 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Buffer preparation
Cell culture
Electrophoresis & chromatography
Catalysis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Potassium phosphate, tribasic, anhydrous, ≥98%
Catalogue No.	VQ-003113
CAS Number	7778-53-2
IUPAC name	tripotassium;phosphate
Molecular formula	K₃O₄P
Molecular weight	212.27 g/mol
Exact mass	211.8445
Purity / assay	98%
HSN code	28352400
InChIKey	LWIHDJKSTIGBAC-UHFFFAOYSA-K
SMILES	[O-]P(=O)([O-])[O-].[K+].[K+].[K+]
PubChem CID	62657

Physical properties
Physical form	Powder
Appearance	White powder
Melting point	1,380 °C
H-bond donors / acceptors	0 / 4
TPSA	86.3 Å²
Synonyms	Tripotassium phosphate, Potassium phosphate tribasic, Tripotassium orthophosphate, Phosphoric acid, tripotassium salt, Potassium orthophosphate, Potassium phosphate, tribasic, Potassium phosphate (K3PO4), tribasic potassium phosphate, Potassium pentahydrogen bis(phosphate), Phosphoric acid potassium salt (1:3), Potassium phosphate, anhydrous, E-340(III)

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P317, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 7778-53-2

Extra Pure

Potassium phosphate, tribasic, 98%

CAS: 7778-53-2
Formula: K₃O₄P
MW: 212.27 g/mol

VQ-003112

AR

Potassium phosphate, tribasic, GR 98%+

CAS: 7778-53-2
Formula: K₃O₄P
MW: 212.27 g/mol

VQ-003114

Frequently asked questions

What is the CAS number of Potassium phosphate, tribasic, anhydrous, ≥98%?

The CAS Registry Number of Potassium phosphate, tribasic, anhydrous, ≥98% is 7778-53-2. It is also known as Tripotassium phosphate, Potassium phosphate tribasic, Tripotassium orthophosphate.

What is the molecular formula and molecular weight of Potassium phosphate, tribasic, anhydrous, ≥98%?

Potassium phosphate, tribasic, anhydrous, ≥98% has the molecular formula K3O4P and a molecular weight of 212.27 g/mol.

Which grade and pack sizes of Potassium phosphate, tribasic, anhydrous, ≥98% can I order?

We supply Potassium phosphate, tribasic, anhydrous, ≥98% in (98%) grade, in 500 g, 1 kg, 2.5 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Potassium phosphate, tribasic, anhydrous, ≥98%?

Yes. Every lot of Potassium phosphate, tribasic, anhydrous, ≥98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Potassium phosphate, tribasic, anhydrous, ≥98% be shipped internationally?

Yes. Potassium phosphate, tribasic, anhydrous, ≥98% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.