Ammonium Sulfate (21-0-0+24S) Fertilizer Manufacturer & Supplier

Ammonium Sulfate (N)

Product Name:ammonium Sulphate (21-0-0+24S)
Category: Straight Fertilizer
Ingredients:21% Nitrogen (N) ,  24% Sulfur (S)
CAS No.:7783-20-2
Formula:(NH₄)₂SO₄
Form:White or colorless crystalline / granular solid
Solubility:100% water-soluble
Place of Origin :Shangdong,China
MOQ :10T (Sample free)
Certificate:ISO9001, ISO 22241-1…

Ammonium Sulfate Description

Ammonium Sulfate (also known as Ammonium Sulphate in UK spelling) is a highly efficient nitrogen and sulfur fertilizer containing 21% nitrogen (N) and 24% sulfur (S). It is widely used in agriculture, industrial manufacturing, and pharmaceutical applications due to its excellent solubility, stable chemical properties, and reliable nutrient availability.

As a trusted ammonium sulfate fertilizer manufacturer and bulk supplier, we provide high-purity products suitable for soil application, fertigation systems, and industrial processing. Ammonium sulfate is especially effective for sulfur-deficient soils and alkaline soils, helping improve crop yield, protein synthesis, and overall plant health.

Key Benefits of Ammonium Sulfate Fertilizer

  • Provides dual nutrients: nitrogen (N) and sulfur (S)

  • Improves crop yield and protein content

  • Enhances nutrient uptake in sulfur-deficient soils

  • Slightly acidifying effect, ideal for alkaline soils

  • High solubility ensures fast nutrient availability

  • Suitable for a wide range of crops and applications

Ammonium Sulfate Product Specifications

PropertySpecification
AppearanceWhite crystalline powder
Nitrogen (N)≥ 21.0%
Sulfur (S)≥ 24.0%
Moisture≤ 1.0%
pH (5% aqueous solution)5.0 – 6.0
Insoluble Matter≤ 0.005%
Free Acid (as H₂SO₄)≤ 0.05%
Iron (Fe)≤ 0.007%
Arsenic (As)≤ 0.00005%
Heavy Metals (as Pb)≤ 0.005%
Solubility100% water soluble

Types of Ammonium Sulfate

Granular Ammonium Sulfate

  • Particle Size: 2–5 mm

  • Application: Ideal for broadcasting and mechanical spreading

  • Suitable Crops: Wheat, corn, rice, vegetables

Crystalline Ammonium Sulfate

  • Particle Size: Fine crystals

  • Application: Fast nutrient release, fertigation, hydroponics

Caprolactam Grade Ammonium Sulfate

  • Particle Size: 0.2–2 mm

  • Application: Raw material for caprolactam and nylon production

Applications of Ammonium Sulfate

Agriculture

Ammonium sulfate is widely used as a nitrogen and sulfur fertilizer to improve soil fertility and promote healthy crop growth. It is suitable for crops such as corn, wheat, rice, cotton, vegetables, and oilseeds.

Industrial Applications

In industry, ammonium sulfate is used in water treatment, flame retardant production, and the manufacturing of various ammonium salts and chemicals.

Pharmaceutical Manufacturing

Ammonium sulfate serves as an important reagent in pharmaceutical processes, including protein purification and formulation of specific medicines.

Packaging & Storage

Packaging Options

  • 25 kg bags

  • 50 kg bags

  • 1,000 kg jumbo bags

  • Bulk packaging available on request

Storage Guidelines

Store in a cool, dry, and well-ventilated area. Avoid moisture exposure and contact with incompatible materials to maintain product quality and flowability.

Safety and Handling:

  • Precautionary Measures:
    When handling ammonium sulfate, it’s recommended to use personal protective equipment (PPE) such as gloves, safety goggles, and masks to avoid irritation or inhalation of dust. 

  • First Aid Measures:
    In case of eye contact, rinse immediately with water for 15 minutes and consult a doctor if irritation persists. If ingested, seek medical attention promptly. 

What will you get when touch?

✔ Quick & helpful reply within 6 hours.
✔ Tailored solutions for your project.
✔ One-stop product, tech, market+






    Why Choose Our Ammonium Sulfate Fertilizer?

    • Reliable ammonium sulfate manufacturer and exporter

    • High-purity product with stable quality

    • Competitive bulk pricing and flexible packaging

    • Free samples and technical support available

    • Fast response within 6 hours

    We supply ammonium sulfate fertilizer worldwide for agriculture, industrial, and pharmaceutical use. Contact us today for price, COA, MSDS, and customized supply solutions.