Potassium phosphate, tribasic, GR 98%+

Name: Potassium phosphate, tribasic, GR 98%+
Brand: Vaqora Chemicals
SKU: VQ-003114

About Potassium phosphate, tribasic, GR 98%+

Potassium phosphate, tribasic (CAS 7778-53-2) is a biological buffer offered by Vaqora Chemicals in AR grade with a typical assay of ≥98%. With the molecular formula K3O4P, it has a molar mass of 212.27 g/mol. The IUPAC name is tripotassium. Phosphate. Alternative names: Potassium phosphate tribasic and Tripotassium phosphate.

The material typically appears as white powder or crystals. Key physical data: a density of 2.564 g/mL at 25 °C. Solubility: insoluble in ethanol. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for buffer preparation, cell culture, electrophoresis and chromatography and molecular biology workflows. Typical end-use sectors are academic and industrial research and diagnostics and biotechnology.

We offer Potassium phosphate, tribasic in 250 g, 1 kg, 5 x 1 kg and 4 x 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Buffer preparation
Cell culture
Electrophoresis & chromatography
Molecular biology workflows

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Potassium phosphate, tribasic, GR 98%+
Catalogue No.	VQ-003114
CAS Number	7778-53-2
IUPAC name	tripotassium;phosphate
Molecular formula	K₃O₄P
Molecular weight	212.27 g/mol
Exact mass	211.8445
Grade	AR
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	Crystalline
Appearance	White powder or crystals
Density	2.564 g/mL at 25 °C
Solubility	Insoluble in ethanol
H-bond donors / acceptors	0 / 4
TPSA	86.3 Å²
Synonyms	Potassium phosphate tribasic, Tripotassium phosphate, 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

Potassium phosphate, tribasic, anhydrous, ≥98%

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

VQ-003113

Frequently asked questions

What is the CAS number of Potassium phosphate, tribasic, GR 98%+?

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

What is the molecular formula and molecular weight of Potassium phosphate, tribasic, GR 98%+?

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

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

We supply Potassium phosphate, tribasic, GR 98%+ in AR (≥98%) grade, in 250 g, 1 kg, 5 x 1 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Potassium phosphate, tribasic, GR 98%+?

Yes. Every lot of Potassium phosphate, tribasic, GR 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, GR 98%+ be shipped internationally?

Yes. Potassium phosphate, tribasic, GR 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.