Ammonia water
High-Quality Ammonia Water for Industrial and Commercial Applications
Ammonia water, also known as aqueous ammonia or ammonium hydroxide solution, is a versatile chemical compound with numerous applications across various industries. Our premium-grade ammonia water meets the highest industry standards for purity and performance.
Product Specifications
Our ammonia water solution is available in multiple concentrations to suit different industrial needs:
- Chemical Formula: NH₄OH
- Appearance: Clear, colorless liquid
- Odor: Strong characteristic ammonia smell
- pH Level: 11.6 (for 1M solution)
- Solubility: Completely miscible with water
- Density: 0.91 g/cm³ (25°C, 25% solution)
Available Concentrations
| Concentration | NH₃ Content | Boiling Point | Freezing Point | Packaging Options |
|---|---|---|---|---|
| 5% Solution | 5% by weight | 100°C (212°F) | -1.7°C (28.9°F) | 1L, 5L, 20L |
| 10% Solution | 10% by weight | 96°C (204.8°F) | -16.1°C (3°F) | 5L, 20L, 200L |
| 25% Solution | 25% by weight | 87°C (188.6°F) | -57.5°C (-71.5°F) | 20L, 200L, Bulk |
| 30% Solution | 30% by weight | 84°C (183.2°F) | -77°C (-106.6°F) | 200L, Bulk |
Safety Information
When handling ammonia water, always follow these safety precautions:
- Use in well-ventilated areas
- Wear appropriate PPE (gloves, goggles, respirator)
- Avoid contact with skin and eyes
- Store in cool, dry places away from acids
- Use compatible storage materials (stainless steel, polyethylene)
Ammonia Water FAQ
What is the shelf life of ammonia water?
Properly stored ammonia water in sealed containers has an indefinite shelf life. However, we recommend using it within 2 years of manufacture for optimal performance. Storage conditions significantly affect longevity - keep containers tightly sealed in cool (15-25°C), dry environments away from direct sunlight. Over time, some ammonia may escape through plastic containers, slightly reducing concentration.
How do I determine the concentration of ammonia water?
There are three main methods to determine ammonia water concentration: 1) Density measurement using a hydrometer (specific gravity between 0.90-0.98 g/cm³ at 15°C indicates 5-30% concentration), 2) Titration with standardized acid solution (most accurate method), and 3) Refractometry (for quick field measurements). For precise industrial applications, we recommend laboratory titration with hydrochloric acid and methyl orange indicator following ASTM E291 standard methods.
What are the main industrial uses of ammonia water?
Ammonia water serves numerous industrial functions: 1) Water treatment for pH adjustment and chloramine formation, 2) Textile industry for wool scouring and pH control in dyeing, 3) Rubber manufacturing as a stabilizer, 4) Food processing as a pH regulator (FDA-approved in limited applications), 5) Cleaning agent in industrial degreasers, 6) Pulp and paper processing, and 7) Chemical synthesis as a precursor to other nitrogen compounds. Its alkaline properties make it valuable across multiple sectors requiring controlled pH environments.
Handling and Storage Guidelines
| Aspect | Recommendation | Rationale |
|---|---|---|
| Storage Temperature | 15-25°C (59-77°F) | Minimizes ammonia vapor pressure and loss |
| Container Material | HDPE, stainless steel 304/316 | Resistant to alkaline corrosion |
| Ventilation | Continuous mechanical ventilation | Prevents accumulation of ammonia vapors |
| Compatibility | Separate from acids, oxidizers | Prevents hazardous reactions |
Technical Performance Data
Our ammonia water solutions demonstrate consistent performance characteristics:
- Vapor Pressure: 115 mmHg at 20°C (25% solution)
- Heat of Solution: -30.5 kJ/mol at infinite dilution
- Conductivity: 0.8 S/m (25% solution at 25°C)
- Refractive Index: 1.333 (5% solution) to 1.355 (30% solution)
Quality Assurance
Every batch of our ammonia water undergoes rigorous quality testing:
| Test Parameter | Method | Specification |
|---|---|---|
| NH₃ Content | ASTM E291 | ±0.5% of stated concentration |
| Heavy Metals | ICP-OES | <1 ppm total |
| Chloride | Ion Chromatography | <5 ppm |
| Non-Volatile Residue | Gravimetric | <0.005% |