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Bureau of Indian Standards: IS 662:1980
Home  /  Anhydrous Ammonia (NH₃)
Pure Compressed Gas • CAS: 7664-41-7

Anhydrous Ammonia
(≥ 99.85% Purity)

Anhydrous Ammonia is pure, dry ammonia gas compressed into a liquid under pressure. Hyderabad Ammonia and Chemicals Pvt. Ltd. (HACPL) supplies technical and refrigerant-grade anhydrous ammonia adhering strictly to IS 662:1980, backed by dedicated road tankers, certified tonners, and tested high-pressure cylinders.

Technical Property Table Download Specs PDF Download MSDS
Anhydrous Ammonia Bulk Cylinder & Tonner Storage
Quality Parameters

Technical Specifications (IS 662 : 1980)

Every batch supplied by HACPL is rigorously analyzed in our testing laboratory to guarantee compliance with Indian Standard specifications.

Characteristic / Parameter HACPL Standard IS 662:1980 Requirement Test Method
Ammonia Content (Assay w/w) ≥ 99.85% Min. 99.5% IS 662 Clause 4.2
Moisture Content ≤ 0.15% (Typical ≤ 0.05%) Max. 0.5% Dew Point / Gravimetric
Oil Content ≤ 5 ppm (mg/kg) Max. 10 ppm Solvent Extraction Method
Residue on Evaporation ≤ 0.05% w/w Max. 0.1% IS 662 Clause 4.5
Specific Gravity (Liquid at -33.34°C) 0.6818 0.682 Hydrometer method
Boiling Point (at 1 atm) -33.34 °C (-28.01 °F) -33.3 °C Thermometric
Vapor Density (Air = 1) 0.59 (Lighter than air) 0.59 Calculated
Flammability Limits in Air 16% to 25% by volume 16% - 25% Standard Combustion
Appearance & Odor Colorless compressed gas; pungent Colorless; pungent Visual & Olfactory

Anhydrous Specifications

Full technical datasheet and analysis cert

PDF

MSDS - Anhydrous Ammonia

Material Safety Data Sheet & PPE guide

PDF

IS 662 : 1980 Standard

Bureau of Indian Standards Official Method

PDF
Delivery Infrastructure

Packaging & Supply Configurations

Equipped to serve diverse volume needs from laboratory research cylinders to continuous multi-tonne tanker contracts.

50 kg High Pressure Ammonia Cylinder

50 kg High-Pressure Cylinders

Forged seamless manganese steel cylinders tested up to 33.5 bar hydraulic pressure. Fitted with certified heavy-duty brass valves, safety relief devices, and valve protective caps. Suitable for cold storage topping and metallurgy annealing.

400 kg and 500 kg Tonner Bullets

400 kg & 500 kg Tonners

Horizontal welded steel ton containers engineered for high-volume consumption. Features dual gas/liquid withdrawal valves with dip pipes for continuous chemical feeding in synthesis plants and cold store refrigeration.

Dedicated 10 to 15 MT Road Tankers

10 & 15 MT Road Tankers

PESO-approved insulated pressurized road tankers operated by certified hazardous chemical drivers. Equipped with digital level gauges, excess flow valves, and GPS telematics for uninterrupted bulk plant deliveries.

Versatile Chemical

Key Industrial Applications

Industrial Refrigeration & Cold Storage (R-717)

Anhydrous ammonia is the most thermodynamically efficient natural refrigerant on the planet, with zero Global Warming Potential (GWP 0) and zero Ozone Depletion Potential (ODP 0). Widely used in cold storage warehouses, seafood processing, dairies, and ice factories.

Heat Treatment & Metallurgy (Dissociated Ammonia)

When cracked at 850°C–1000°C, ammonia yields a 75% Hydrogen and 25% Nitrogen gas mixture. This dissociated ammonia provides a cost-effective protective reducing atmosphere for bright annealing, sintering, brazing, and nitriding of stainless steel and special alloys.

Chemical Synthesis & Active Pharmaceuticals

Acts as a building block for nitrogenous compounds, amines, amino acids, dyes, sulfa drugs, and active pharmaceutical intermediates (APIs) across India's top pharmaceutical clusters.

SCR / SNCR Thermal Power Plant De-NOx

Vaporized ammonia injected into boiler flue gas selectively reacts with harmful nitrogen oxides (NOx) over catalysts, reducing them to harmless atmospheric nitrogen (N₂) and water vapor (H₂O).

Direct Commercial Inquiry

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