Ammonium Phosphate Dibasic – 500 gram Packs

Ammonium Phosphate Dibasic, also known as diammonium hydrogen phosphate or diammonium phosphate, is an inorganic phosphate salt with the chemical formula (NH₄)₂HPO₄ and a molecular weight of 132.06 g/mol. It is a white crystalline solid that dissolves readily in water and produces a mildly alkaline solution. The compound is important in laboratory chemistry for preparing phosphate-containing solutions, investigating acid–base equilibria, and studying precipitation reactions involving phosphate ions. It is used in appropriate analytical chemistry procedures, inorganic chemistry practicals, and university research involving ionic equilibria and solution chemistry. Ammonium Phosphate Dibasic can also serve as a component of suitable phosphate-buffer systems when combined with the appropriate complementary phosphate species. This 500 g pack is intended for laboratory applications where the reagent’s grade and specifications meet the requirements of the method. Proper storage, accurate weighing, and established laboratory safety procedures support reliable experimental work.

Product Specifications

Specification	Details
Appearance	White crystalline powder
Assay	99%
Chemical Name	Diammonium Hydrogen Phosphate
Alternate Names	Ammonium Phosphate Dibasic, Diammonium Phosphate, Diammonium Orthophosphate
Molecular Formula	(NH₄)₂HPO₄
Empirical Formula	H₉N₂O₄P
CAS Number	7783-28-0
Molecular Weight	132.06 g/mol
Grade	LR Laboratory Reagent

Key Features of Ammonium Phosphate Dibasic

• Defined phosphate composition: Contains ammonium ions and hydrogen phosphate ions in a defined inorganic salt.
• High water solubility: Dissolves in water to prepare phosphate-containing solutions for appropriate laboratory procedures.
• Acid–base behaviour: Supports investigations of phosphate equilibria and the pH behaviour of aqueous solutions.
• Analytical chemistry relevance: Useful in selected reagent preparation, precipitation studies, and investigations involving phosphate ions.
• Educational and research applications: Suitable for appropriate laboratory procedures when the stated grade and specifications meet method requirements.

Laboratory Applications of Ammonium Phosphate Dibasic

• Phosphate-buffer preparation: Used in suitable buffer systems with a complementary phosphate species to achieve the required pH and concentration.
• Inorganic chemistry practicals: Supports supervised experiments involving phosphate salts, ionic equilibria, and acid–base reactions.
• Analytical reagent preparation: Used to prepare aqueous phosphate solutions for methods that specify diammonium hydrogen phosphate.
• Precipitation investigations: Supplies phosphate ions for appropriate experiments involving selected metal ions and sparingly soluble phosphate compounds.
• Scientific research: Used in selected studies of phosphate chemistry, solution behaviour, and analytical methods where the reagent meets the requirements of the procedure.

Why Choose Lab Wale to Buy Ammonium Phosphate Dibasic

Lab Wale offers a convenient sourcing option for laboratory chemicals and scientific supplies used by schools, colleges, universities, research centres, and laboratory professionals. When purchasing Ammonium Phosphate Dibasic, checking the chemical identity, CAS number, stated assay, grade, and intended application helps ensure that the reagent matches the planned procedure. Clear product identification and access to relevant technical and safety information support informed purchasing decisions. Laboratories should confirm compatibility with their analytical methods and follow suitable storage and handling practices.

Frequently Asked Questions About Ammonium Phosphate Dibasic

What is Ammonium Phosphate Dibasic used for in laboratories?

Ammonium Phosphate Dibasic is used to prepare phosphate solutions, investigate acid–base equilibria, and conduct selected inorganic chemistry and analytical experiments. It may also be used in suitable phosphate-buffer systems and precipitation studies. Its suitability depends on the required pH, concentration, method, and reagent specifications.

What are the molecular formula and molecular weight of Ammonium Phosphate Dibasic?

The molecular formula is (NH₄)₂HPO₄, and its empirical formula is H₉N₂O₄P. Its molecular weight is approximately 132.06 g/mol. The compound contains two ammonium ions for each hydrogen phosphate ion, resulting in an electrically neutral inorganic salt.

What is the CAS number of Ammonium Phosphate Dibasic?

The CAS Registry Number for diammonium hydrogen phosphate is 7783-28-0. The compound is also known as diammonium phosphate or dibasic ammonium phosphate. Checking this identifier alongside the molecular formula helps distinguish it from monoammonium phosphate and other phosphate salts.

Can Ammonium Phosphate Dibasic be used to prepare phosphate buffers?

Yes. It can be used in suitable phosphate-buffer systems with an appropriate complementary phosphate species. The resulting pH depends on the relative concentrations, total phosphate concentration, temperature, and solution conditions. Follow a validated preparation procedure for the intended analytical or experimental application.

How should Ammonium Phosphate Dibasic be stored and handled?

Store the reagent in a tightly closed container in a cool, dry location. Avoid generating dust and wear suitable gloves, protective clothing, and safety goggles. Protect it from contamination and consult the current Safety Data Sheet for specific handling, storage, spill-response, and waste-disposal instructions.

Storage Conditions for Ammonium Phosphate Dibasic

Store Ammonium Phosphate Dibasic in a tightly closed, compatible container in a cool, dry, well-ventilated area at the recommended ambient temperature. Protect it from contamination and excessive moisture, and keep it away from incompatible chemicals, including strong oxidizing agents. Close the container promptly after dispensing and follow the storage instructions provided in the current Safety Data Sheet.

Precautions for Handling Ammonium Phosphate Dibasic

Review the current Safety Data Sheet before use and wear suitable laboratory gloves, protective clothing, and safety goggles. Avoid inhaling dust and prevent contact with the eyes and skin. Use adequate ventilation when weighing the powder or preparing solutions. Avoid mixing it with incompatible substances, follow approved spill-response and waste-disposal procedures, and ensure appropriate supervision during educational laboratory experiments.