Kolkata Chemical: Leading the Ammonium Sulfate Revolution in India

Kolkata Chemical: Leading the Ammonium Sulfate Revolution in India

Nestled in the heart of West Bengal, against the backdrop of the vibrant and iconic Howrah Bridge, Kolkata Chemical stands tall, marking its indelible presence as a global leader in the world of chemical manufacturing and distribution. A beacon of innovation and quality, this establishment epitomizes the blend of Kolkata’s rich cultural history and the evolving technological advancements.

CAS Number (CAS NO)

Every chemical has a unique identifier, and for Ammonium sulfate, it’s CAS Number: 7783-20-2.


Scientifically represented as (NH₄)₂SO₄, Ammonium sulfate is a testament to the marvel of chemical synthesis.

Product Description

Ammonium sulfate is renowned for its pure white crystalline structure. Water-soluble and of inorganic origin, it’s an asset to myriad industries across the globe.

Usage & Application

  1. Agriculture: It acts as a dual fertilizer providing both nitrogen and sulfur for plants.
  2. Food Industry: Used as an acidity regulator in food products.
  3. Chemical Industry: A precursor to many other chemical products.

Product Parameters

Grade Standard: From agricultural to industrial grades, Kolkata Chemical covers the entire spectrum, ensuring quality at every level.

Certification: With globally recognized certifications, quality assurance is a given.

Purity: The ammonium sulfate boasts a consistent purity level exceeding 99%.

Appearance: Its iconic white crystalline structure speaks of its unmatched quality.


Synthesized under stringent conditions, the Ammonium sulfate from Kolkata Chemical is second to none, setting benchmarks for quality and consistency.

Our Advantages

  1. Global Network: From the bustling souks of Dubai to the commercial streets of Tokyo, our footprint is omnipresent.
  2. R&D Excellence: A dedicated team works incessantly, ensuring product evolution.
  3. Green Initiatives: Sustainability is our mantra.
  4. Unmatched Customer Service: Clients aren’t just business; they are part of the Kolkata Chemical family.

Production Capacity

Employing state-of-the-art technology, our production facilities cater to both domestic and global demands with unmatched efficiency.

Quality Control

At Kolkata Chemical, quality is not a mere metric. It’s the very essence of our existence.


Understanding the unique demands of industries, we provide bespoke solutions, tailor-made to perfection.

Company Info

Since its inception, Kolkata Chemical has been a saga of determination, innovation, and a commitment to excellence. Strategically located in one of India’s key trade hubs, the company’s journey from a local player to a global powerhouse is nothing short of inspirational.


Advanced packing solutions ensure that the chemical retains its quality, irrespective of the distance it travels.

Physical Properties

Known for its granular uniformity and high solubility, Kolkata Chemical’s ammonium sulfate is a testament to superior craftsmanship.


Our state-of-the-art storage solutions ensure the product’s longevity, maintaining its potency and purity.

Quality Inspection

Every grain is inspected, ensuring that it resonates with our legacy of unparalleled quality.

Plant Area

Spread over sprawling acres, our production facility is a marvel of modern engineering combined with sustainable practices.

Terms of Payment & Quotation

A seamless transaction process is the hallmark of our business operations, making trade a hassle-free experience for our clients.

Nearest Port

Proximity to the Kolkata Port ensures swift logistics, making global shipments timely and efficient.

Import & Export Mode

With an intricate global network, we promise timely delivery, meeting international demands without a glitch.

Kolkata Chemical is not just a name; it’s an emblem of trust, excellence, and a relentless drive to elevate industry standards. The soulful tunes of Rabindra Sangeet that echo in the bylanes of Kolkata are mirrored in the company’s commitment to its roots, while its products and services resonate in every corner of the world – from Middle Eastern deserts to European capitals. As the world treads towards chemical and technological advancements, Kolkata Chemical is not just a spectator but a trailblazer, setting unprecedented standards. In essence, it’s not just about supplying ammonium sulfate; it’s about pioneering a movement, crafting a legacy, and forging a future defined by quality, innovation, and global unity.

For inquiries and orders, please get in touch with us at Email-


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