Ammonium Per Sulphate – 500 gram Packs

Ammonium Per Sulphate, commonly known as Ammonium Persulphate or Ammonium Peroxydisulphate, is an inorganic ammonium salt and a strong oxidizing agent with the chemical formula (NH₄)₂S₂O₈ and a molecular weight of approximately 228.20 g/mol. It generally appears as a white crystalline solid and dissolves in water to form solutions used in various laboratory procedures. Its oxidizing properties make it useful in controlled oxidation reactions, polymerization experiments, and analytical chemistry investigations. Ammonium Persulphate is also used in university practicals, research laboratories, and selected sample preparation procedures where a persulphate oxidant is specified. The 500 g pack is suitable for laboratories requiring this reagent for appropriate experimental and research applications. As a strong oxidizer, it must be kept away from combustible materials and incompatible reducing agents. Appropriate ventilation, protective equipment, and safe storage practices are essential when handling this chemical.

Product Specifications

Specification	Details
Appearance	White crystalline powder
Assay	99%
Chemical Name	Ammonium Persulphate
Alternate Names	Ammonium Persulfate, Ammonium Peroxydisulphate, Ammonium Peroxydisulfate, Diammonium Peroxydisulphate
Molecular Formula	(NH₄)₂S₂O₈
Empirical Formula	H₄N₂O₈S₂
CAS Number	7727-54-0
Molecular Weight	228.20 g/mol
Grade	LR Laboratory Reagent

Key Features of Ammonium Persulphate

• Strong oxidizing properties: Provides persulphate ions for controlled oxidation reactions in suitable laboratory procedures.
• Water-soluble crystalline compound: Dissolves in water for preparing reagent solutions under appropriate experimental conditions.
• Free-radical chemistry: Can generate reactive radical species under suitable conditions, supporting selected polymerization and reaction studies.
• Analytical chemistry applications: Used in appropriate oxidation-based analytical procedures and sample preparation methods.
• Defined chemical identity: Has the molecular formula (NH₄)₂S₂O₈, CAS number 7727-54-0, and a molecular weight of approximately 228.20 g/mol.

Laboratory Applications of Ammonium Persulphate

• Oxidation experiments: Used as an oxidizing reagent in controlled inorganic chemistry reactions and supervised laboratory demonstrations.
• Polymerization research: Serves as a radical initiator in selected aqueous polymerization systems when specified by the experimental method.
• Electrophoresis reagent preparation: Used to prepare polymerization mixtures for polyacrylamide gel electrophoresis, where it initiates acrylamide polymerization in suitable formulations.
• Analytical sample preparation: Applied in validated procedures requiring persulphate oxidation before measurement or further analysis.
• University and research investigations: Supports studies of oxidation–reduction reactions, radical chemistry, and reaction kinetics under controlled conditions.

Why Choose Lab Wale to Buy Ammonium Persulphate

Lab Wale provides a convenient sourcing option for laboratory chemicals and scientific supplies used by schools, colleges, universities, research centres, and laboratory professionals. When purchasing Ammonium Persulphate, reviewing the chemical name, CAS number, stated assay, grade, and intended application helps ensure that the reagent matches the experimental requirements. Clear product identification and access to relevant technical and safety information support informed purchasing decisions. Laboratories should also assess the chemical’s oxidizing properties, compatibility with other reagents, and storage requirements before use.

Frequently Asked Questions About Ammonium Persulphate

What is Ammonium Persulphate used for in laboratories?

Ammonium Persulphate is used in oxidation reactions, selected analytical sample preparation procedures, and research involving radical chemistry. It is also used as a radical initiator in suitable polymerization systems, including polyacrylamide gel preparation. Its application should follow the specified method and appropriate chemical safety procedures.

What are the molecular formula and molecular weight of Ammonium Persulphate?

The molecular formula is (NH₄)₂S₂O₈, and its empirical formula is H₄N₂O₈S₂. Its molecular weight is approximately 228.20 g/mol. The compound contains two ammonium ions and one peroxydisulphate ion, whose oxidizing properties are important in many laboratory applications.

What is the CAS number of Ammonium Persulphate?

The CAS Registry Number for Ammonium Persulphate is 7727-54-0. It is also known as ammonium persulfate or ammonium peroxydisulphate. Checking the CAS number alongside the chemical name helps distinguish this reagent from other persulphate salts, including sodium persulphate and potassium persulphate.

Why is Ammonium Persulphate used in polyacrylamide gel preparation?

Ammonium Persulphate generates free radicals under suitable conditions, initiating the polymerization of acrylamide in commonly used polyacrylamide gel systems. It is generally used with an appropriate accelerator, such as TEMED, according to the established formulation. Handling acrylamide and persulphate reagents requires suitable protective equipment and laboratory procedures.

How should Ammonium Persulphate be stored and handled safely?

Store Ammonium Persulphate in a tightly closed, compatible container in a cool, dry, well-ventilated area. Keep it away from combustible materials, organic substances, reducing agents, and incompatible chemicals. Wear suitable gloves, protective clothing, and safety goggles, minimise dust generation, and consult the current Safety Data Sheet before use.

Storage Conditions for Ammonium Persulphate

Store Ammonium Persulphate in a tightly closed, compatible container in a cool, dry, well-ventilated location, protected from heat and contamination. As a strong oxidizer, it must be segregated from combustible and organic materials, reducing agents, and other incompatible substances. Avoid excessive heating and moisture exposure, and keep the container securely closed after dispensing. Follow the current Safety Data Sheet for specific storage and segregation requirements.

Precautions for Handling Ammonium Persulphate

Review the current Safety Data Sheet before handling Ammonium Persulphate. Wear suitable chemical-resistant gloves, protective clothing, and safety goggles, and avoid inhaling dust or allowing the substance to contact the eyes and skin. Use adequate ventilation and minimise dust generation. Keep the reagent away from combustible materials and reducing agents because it can intensify fires. Follow approved spill-response procedures and dispose of persulphate-containing waste according to institutional requirements and applicable regulations.