Ammonium Persulphate

Industrial Grade Oxidising Agent — Bulk supply across India & International Markets

What is Ammonium Persulphate?

Ammonium Persulphate ((NH4)2S2O8) is a strong oxidising agent supplied as a white crystalline solid, widely valued for its high solubility, strong oxidative power, and effectiveness as a free-radical initiator across electronics, polymer, and personal care industries. Of the common persulphate salts (sodium, potassium, and ammonium), Ammonium Persulphate is often preferred for applications requiring particularly high water solubility and oxidative efficiency.

Polychem Industries supplies Ammonium Persulphate to printed circuit board manufacturers, polymer producers, hair care product formulators, and textile processing companies across India and internationally. Its excellent solubility and strong, controllable oxidising power make it one of the most versatile and widely used persulphate compounds across electronics manufacturing and various specialty chemical applications.

Oxidiser Safety Notice

Ammonium Persulphate is a strong oxidising agent and should be stored away from combustible materials, reducing agents, and organic materials. It can decompose with the release of oxygen, ammonia, and heat, particularly at elevated temperatures. Store in a cool, dry, well-ventilated area in sealed containers, away from sources of ignition and incompatible materials.

Available Grades

GradeFormPurityStandardApplications
Industrial GradeWhite crystalline powder/granules98%+ (Industrial Grade)IndustrialPCB etching, polymerisation initiator, hair bleach, textile printing

Applications & Uses

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PCB Etching & Electronics Manufacturing

One of the most significant applications. Ammonium Persulphate is used as a copper etchant in printed circuit board manufacturing, selectively dissolving exposed copper to create circuit patterns, valued for its high solubility and consistent etching performance.

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Polymerisation Initiator

Widely used as a free-radical initiator in emulsion and suspension polymerisation processes for manufacturing various synthetic polymers and latex products, including acrylic and other vinyl monomer-based polymer systems.

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Hair Bleaching & Lightening Products

A common ingredient in professional and at-home hair bleaching and lightening powder formulations, where it works alongside hydrogen peroxide to enhance and accelerate the hair lightening process.

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Textile Printing & Discharge Printing

Used in textile discharge printing processes, where its oxidising action helps remove or modify dye colour in specific printed patterns, creating decorative effects on dyed fabric.

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Industrial Bleaching & Oxidation

Used as a bleaching and oxidising agent in various industrial processes requiring controlled, strong oxidative chemistry for specific bleaching or chemical modification applications.

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Battery & Electrochemical Applications

Used in certain battery and electrochemical applications taking advantage of its specific oxidative and electrochemical properties in specialised industrial chemistry contexts.

Technical Specifications

Ammonium Persulphate — Key Properties

Chemical Formula(NH4)2S2O8
CAS Number7727-54-0
Molecular Weight228.20 g/mol
AppearanceWhite crystalline powder/granules
Purity98%+ (Industrial Grade)
Decomposition Temperature>120°C (decomposes, releasing oxygen and ammonia)
Density / Bulk DensityBulk density: 1.0–1.3 g/cm3
pH3.0 – 4.5 (1% solution, mildly acidic)
Packaging Available25 kg bags
StorageStore in cool, dry place away from combustible materials and reducing agents. Strong oxidiser — keep away from heat and organic materials.

Why Source Ammonium Persulphate from Polychem Industries?

  • Industrial grade with full quality documentation
  • Highest water solubility among common persulphate salts
  • Certificate of Analysis and MSDS provided on request
  • Reliable bulk supply for electronics and polymer manufacturers
  • Competitive pricing with year-round availability
  • Export documentation experience for international shipments

Frequently Asked Questions

What is the difference between Ammonium Persulphate and Sodium/Potassium Persulphate?
All three are strong oxidising persulphate salts with similar fundamental chemistry, but they differ in their cation (ammonium, sodium, or potassium) and resulting solubility and specific application suitability. Ammonium Persulphate generally offers the highest water solubility among the three, making it frequently preferred for PCB etching applications requiring fast, complete dissolution and consistent etch rates.
Why is Ammonium Persulphate commonly used in hair bleaching powders?
Ammonium Persulphate, when combined with hydrogen peroxide and an alkalising agent, helps accelerate and enhance the oxidative bleaching action on hair melanin pigment, allowing for more effective hair lightening compared to hydrogen peroxide alone. It is one of the standard persulphate ingredients used across many professional and consumer hair lightening powder and cream formulations.
Can Ammonium Persulphate cause skin sensitisation?
Yes — like other persulphate salts, Ammonium Persulphate is a recognised potential skin and respiratory sensitiser, and repeated occupational or cosmetic exposure has been associated with allergic and asthma-like reactions in some individuals, particularly hairdressers with regular exposure. Appropriate PPE, ventilation, and patch testing (in cosmetic applications) are recommended.
Do you export Ammonium Persulphate outside India?
Yes. We export to Bangladesh, Sri Lanka, Nepal, Bhutan, and South Africa with full export documentation. As an oxidising material, all applicable dangerous goods regulations are complied with during transport. Contact us for export pricing and lead times.

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