What is Dibasic Potassium Phosphate? Properties, Uses and Applications

Kapil Radadiya
Written by Kapil Radadiya
What is Dibasic Potassium Phosphate? Properties, Uses and Applications

The pharmaceutical and specialty chemical industries rely on raw materials that deliver consistent quality, regulatory compliance, and reliable performance. Pharmaceutical, food, biotechnology, laboratory, and industrial manufacturers widely use Dibasic Potassium Phosphate for formulations, processing, research, and manufacturing applications.

Also known as Dipotassium Hydrogen Phosphate (K₂HPO₄), this compound is valued for its buffering capacity, excellent water solubility, and chemical stability. It plays a critical role in maintaining pH during manufacturing processes and is used in applications where product consistency is essential.

At Chemignition, we manufacture and supply high-purity Potassium Phosphate for customers across pharmaceutical, nutraceutical, food, biotechnology, and industrial sectors. Every production batch is manufactured under controlled processing conditions and evaluated through our quality control laboratory before release, helping customers achieve reliable performance in their formulations and production processes.

Whether you are developing pharmaceutical formulations, manufacturing nutritional products, preparing laboratory reagents, or producing specialty chemicals, selecting the right grade of Dibasic Potassium Phosphate is important for quality, process efficiency, and regulatory expectations.

What is Dibasic Potassium Phosphate?

Dibasic Potassium Phosphate is an inorganic phosphate salt with the molecular formula K₂HPO₄. It is commonly supplied as a white crystalline powder that dissolves readily in water.

Because of its buffering characteristics, it is frequently used to control pH in pharmaceutical formulations, laboratory reagents, biotechnology media, and food manufacturing. Its versatility makes it one of the most widely used phosphate salts in regulated industries.

Chemical Information

PropertyDetails
Chemical NameDibasic Potassium Phosphate
Other NamesPotassium Phosphate Dibasic, Dipotassium Hydrogen Phosphate
Molecular FormulaK₂HPO₄
CAS Number7758-11-4
Molecular Weight174.18 g/mol
AppearanceWhite crystalline powder
SolubilityFreely soluble in water

Why is Dibasic Potassium Phosphate Widely Used?

Manufacturers across regulated industries choose Potassium Phosphate because it combines reliable chemical performance with broad formulation compatibility.

Key characteristics include:

  • Excellent buffering capacity
  • High water solubility
  • Stable chemical composition
  • Suitable for pharmaceutical formulations
  • Consistent batch quality
  • Easy handling and storage
  • Compatibility with various manufacturing processes

These properties make Dipotassium Hydrogen Phosphate suitable for applications where maintaining stable pH and consistent product quality is critical.

Applications of Dibasic Potassium Phosphate

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Pharmaceutical Industry

Within pharmaceutical manufacturing, Dibasic Potassium Phosphate is commonly used in:

  • Oral solid dosage forms
  • Liquid formulations
  • Injectable products (where applicable)
  • Buffer preparation
  • pH adjustment
  • Process solutions
  • Research and development

Its buffering properties help support formulation stability during manufacturing and throughout product shelf life.

Biotechnology and Life Sciences

Biotechnology laboratories use K₂HPO₄ in:

  • Cell culture media
  • Fermentation processes
  • Microbiology media
  • Protein purification
  • Analytical research
  • Molecular biology applications

Food and Nutraceutical Industry

Food-grade Potassium Phosphate Dibasic is used for:

  • pH regulation
  • Mineral supplementation
  • Beverage processing
  • Dairy products
  • Bakery applications
  • Nutritional formulations

Laboratory Applications

Laboratories use Dibasic Potassium Phosphate for:

  • Buffer preparation
  • Calibration solutions
  • Analytical chemistry
  • Research and development
  • Quality control testing

Manufacturing and Quality at Chemignition

At Chemignition, manufacturing is focused on delivering consistent quality for customers operating in regulated and industrial environments.

Production begins with qualified raw materials and controlled processing parameters designed to maintain batch consistency. Throughout manufacturing, critical process parameters are monitored to support product quality and reproducibility.

Before release, each batch undergoes evaluation in our quality control laboratory. Depending on customer specifications and product grade, testing may include:

SR. NO.TESTSPECIFICATION
 1.DescriptionWhite or colourless crystalline powder or granules
 2.Identification
A) PotassiumIt gives reaction of Potassium.
B) Phosphate It gives reaction of Phosphate.
 3.Insoluble substancesNot more than 0.2%
 4.CarbonatePass the test
 5.ChlorideNot more than 0.03%
 6.SulphateNot more than 0.1%
 7.ArsenicNot more than 3 ppm
 8.IronNot more than 30 ppm
 9.SodiumPass the test
 10.FluorideNot more than 0.001%
 11.Monobasic or Tribasic saltPass the test
 12.pH8.59.6
 13.Loss on dryingNot more than 1.0%
 14.Assay on the dried basis98.5% – 100.5%
Specification of Dibasic Potassium Phosphate

Industries We Serve

Chemignition supplies Dibasic Potassium Phosphate to customers operating in:

  • Pharmaceutical manufacturing
  • Nutraceutical production
  • Food processing
  • Biotechnology
  • Research laboratories
  • Chemical manufacturing
  • Industrial processing

Why Partner with Chemignition?

Choosing a chemical supplier involves more than selecting a product—it requires confidence in quality, documentation, and supply continuity.

Chemignition supports customers through:

  • High-purity phosphate salts
  • Modern manufacturing facility
  • Dedicated quality control laboratory
  • Batch-to-batch consistency
  • Export-ready documentation
  • Responsive technical support
  • Flexible packaging options
  • Reliable global supply

Our objective is to help manufacturers source raw materials that support efficient production and consistent product quality.

Conclusion

Potassium Phosphate continues to be an essential raw material across pharmaceutical, food, biotechnology, and laboratory industries because of its reliable buffering properties, high purity, and broad application range. At Chemignition, we combine controlled manufacturing, laboratory-based quality evaluation, and dependable supply to meet the requirements of customers seeking high-quality phosphate salts.

If your organization is looking for a trusted Dibasic Potassium Phosphate manufacturer in India, our team can assist with product information, technical documentation, packaging options, and supply requirements.

FAQs

Is Dibasic Potassium Phosphate the same as Potassium Phosphate Dibasic?

Yes. Both names refer to the same chemical compound, K₂HPO₄.

What is the CAS Number of Dibasic Potassium Phosphate?

The CAS Number is 7758-11-4.

Which industries use Dibasic Potassium Phosphate?

It is commonly used in pharmaceutical, food, nutraceutical, biotechnology, laboratory, and industrial applications.

Does Chemignition supply Dibasic Potassium Phosphate in bulk?

Yes. We supply bulk quantities for manufacturers, distributors, and industrial customers with appropriate technical documentation.