Ammonium Nitrate

CAS 6484-52-2 UN 1942 ยท Class 5.1 Oxidizer
Ammonium Nitrate (CAS 6484-52-2)

Product Overview

Ammonium nitrate (NH4NO3) is a white crystalline solid with a nitrogen content of approximately 34-35%, making it one of the most concentrated solid nitrogen fertilizers available. It contains both ammonium nitrogen (NH4+) and nitrate nitrogen (NO3-), providing both quick-acting and sustained nutrient release for crops. The nitrate form is immediately available for plant uptake, while the ammonium form is released gradually through soil microbial processes.

Beyond agriculture, ammonium nitrate is a key oxidizer used in mining and construction explosives (ANFO โ€” Ammonium Nitrate Fuel Oil). We supply both fertilizer-grade (dense prill) and porous prill grade (PPAN) for industrial explosive applications. All shipments comply with UN 1942 (Class 5.1) regulations and require appropriate import permits from destination countries.

Physical & Chemical Properties

Molecular FormulaNH4NO3
Molecular Weight80.04 g/mol
AppearanceWhite crystalline prills or granules
Density1.72 g/cm3 (crystal); 0.76-0.83 g/cm3 (bulk, porous prill)
Melting Point169.6°C
Boiling Point~210°C (decomposes)
Solubility in Water190 g/100 mL at 20°C; highly soluble
pH (10% solution)4.5-6.0
Decomposition Temperature>210°C (releases N2O and H2O); >300°C (releases N2, O2, H2O)

Specifications

Product NameAmmonium Nitrate
CAS Number6484-52-2
EINECS Number229-347-8
HS Code31023090
Purity (dry basis)≥ 99.0%
Total Nitrogen (N)≥ 34.5%
Moisture≤ 0.3%
Oil Absorption (PPAN)≥ 7%
Prill Size0.5-2.5 mm (90% min)
Bulk Density0.76-0.83 g/cm3 (porous prill)
Organic Coating≤ 0.1% (or none)
Heat Stability (80°C)≥ 30 minutes
GradeFertilizer Grade / Porous Prill (PPAN)
UN NumberUN 1942
Hazard Class5.1 (Oxidizing Substance)
Packing GroupIII

Applications & Uses

  • Agricultural fertilizer: Direct application or blended with other nutrients; suitable for top-dressing and side-dressing crops such as wheat, corn, potatoes, and pasture grasses
  • Mining explosives: ANFO (ammonium nitrate + fuel oil) โ€” the most widely used industrial blasting agent for mining, quarrying, and construction
  • Emulsion explosives: Porous prill grade used as a matrix component in emulsion and heavy ANFO blends
  • Cold packs: Endothermic dissolution in water makes it useful for instant cold packs and medical applications
  • Gas generants: Used in automotive airbag inflator compositions
  • Chemical synthesis: Intermediate in production of nitrous oxide (N2O) and other nitrogen compounds
  • Pyrotechnics: Oxidizer component in certain pyrotechnic mixtures

Packaging & Loading

Package TypePP woven bag with inner PE liner / IBC jumbo bag
Net Weight25 kg / 50 kg / 500 kg / 1000 kg jumbo bag
Container Loading~20-22 MT per 20ft container
LabelingClass 5.1 hazard label, UN 1942 marking
Shelf Life12 months (store below 30°C, RH < 50%)

Safety & Handling

Ammonium nitrate is a Class 5.1 oxidizer. Strong oxidizer that can intensify fires. Keep away from combustible materials, organic substances, reducing agents, fuels, oils, strong acids, and chlorides. Store in a dry, well-ventilated area away from heat sources and ignition points. Avoid contamination with incompatible materials. Decomposition at high temperatures can be explosive under confinement. Emergency responders should use large quantities of water โ€” do not use steam or dry chemicals.

Regulatory note: Many countries restrict or require special permits for ammonium nitrate import. Buyers must verify import regulations and obtain necessary permits before ordering.

FAQ

Q: What is the difference between fertilizer-grade and porous prill grade (PPAN)?

Fertilizer-grade AN has dense prills (bulk density ~0.95 g/cm3) with low oil absorption, suitable for direct soil application. PPAN has porous prills (bulk density ~0.76-0.83 g/cm3) with high oil absorption (7%+), designed for ANFO explosive manufacturing.

Q: Which countries can you export to?

We can export to countries that allow ammonium nitrate import with proper documentation. Some countries (e.g., EU, Australia) have strict restrictions. We verify destination country regulations before accepting orders.

Q: What documents do you provide?

COA, MSDS, commercial invoice, packing list, bill of lading, and dangerous goods declaration. Certificate of Origin and other specific certificates available upon request.

Ready to Order?

Contact us for pricing, specifications, and delivery options.

Contact Us