Potassium pyrophosphate, AR

Name: Potassium pyrophosphate, AR
Brand: Vaqora Chemicals
SKU: VQ-046662

About Potassium pyrophosphate, AR

Potassium pyrophosphate (CAS 7320-34-5) is a synthetic reagent offered by Vaqora Chemicals (AR grade). With the molecular formula K4O7P2, it has a molar mass of 330.34 g/mol. Alternative names: Potassium diphosphate and Diphosphoric acid, tetrapotassium salt.

Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for organic synthesis, reaction development and medicinal chemistry. Typical end-use sectors are academic and industrial research.

We offer Potassium pyrophosphate in 25 g, 100 g and 500 g packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Organic synthesis
Reaction development
Medicinal chemistry

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Potassium pyrophosphate, AR
Catalogue No.	VQ-046662
CAS Number	7320-34-5
IUPAC name	tetrapotassium;phosphonato phosphate
Molecular formula	K₄O₇P₂
Molecular weight	330.34 g/mol
Exact mass	329.7668
Grade	AR
HSN code	28352690
InChIKey	RYCLIXPGLDDLTM-UHFFFAOYSA-J
SMILES	[O-]P(=O)([O-])OP(=O)([O-])[O-].[K+].[K+].[K+].[K+]
PubChem CID	23740

Physical properties
Physical form	Other
H-bond donors / acceptors	0 / 7
TPSA	136 Å²
Synonyms	Potassium diphosphate, Diphosphoric acid, tetrapotassium salt, Tetrapotassium diphosphorate, Pyrophosphoric acid, tetrapotassium salt, Tetrapotassium diphosphate, Potassium pyrophospate, Diphosphoric acid, potassium salt, Tetra Potassium Pyrophosphate, Potassium pyrophosphate Anhydrous, Diphosphoric acid, potassium salt (1:4), tetrapotassium phosphonato phosphate, Diphosphoric acid tetrapotassium salt

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H319Causes serious eye irritation

Precautionary statements: P264 + P265, P280, P305 + P351 + P338, P337 + P317

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 7320-34-5

Puriss

Potassium pyrophosphate, 97%

CAS: 7320-34-5
Formula: K₄O₇P₂
MW: 330.34 g/mol

VQ-000946

Frequently asked questions

What is the CAS number of Potassium pyrophosphate, AR?

The CAS Registry Number of Potassium pyrophosphate, AR is 7320-34-5. It is also known as Potassium diphosphate, Diphosphoric acid, tetrapotassium salt, Tetrapotassium diphosphorate.

What is the molecular formula and molecular weight of Potassium pyrophosphate, AR?

Potassium pyrophosphate, AR has the molecular formula K4O7P2 and a molecular weight of 330.34 g/mol.

Which grade and pack sizes of Potassium pyrophosphate, AR can I order?

We supply Potassium pyrophosphate, AR in AR grade, in 25 g, 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Potassium pyrophosphate, AR?

Yes. Every lot of Potassium pyrophosphate, AR 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 pyrophosphate, AR be shipped internationally?

Yes. Potassium pyrophosphate, AR 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.