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    • Ammonium hydroxide CAS 1336-21-6 NH4OH, Aqueous ammonia
    • Ammonium hydroxide CAS 1336-21-6 NH4OH

    Ammonium Hydroxide CAS 1336-21-6 Ammonia Water

    Description

    Ammonium Hydroxide, commonly known as ammonia water, is an aqueous solution of ammonia. It appears as a clear, colorless liquid with a characteristic pungent odor. As a weak base and highly versatile chemical intermediate, it is widely utilized across industrial manufacturing, agriculture, and water treatment sectors.

    • CAS: 1336-21-6
    • Synonyms: Ammonia Water, Aqua Ammonia, Aqueous Ammonia, Ammonia Solution
    • Einecs: 215-647-6
    • Molecular Formula: NH₄OH (NH₃·H₂O)
    • Grade: Industrial Grade / Reagent Grade / Agriculture Grade
    • Package: As required
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    Details

    Reactions

    Acid-Base Neutralization: As an alkaline solution, it reacts readily with various acids (such as HCl, H₂SO₄) to form corresponding ammonium salts.

    Complexation: It forms stable, water-soluble complex ions with transition metals. For example, it reacts with copper ions to form a deep blue [Cu(NH₃)₄]²⁺ complex, and with silver to form Tollens’ reagent.

    Precipitation: Acts as an excellent precipitating agent to form insoluble metal hydroxides (such as Aluminum hydroxide and Iron(III) hydroxide) from metal salt solutions.

    Specifications

    AppearanceColorless, transparent liquid
    Assay (Purity)20% – 28% (Customizable upon request)
    Melting PointApprox. -77°C (Varies by concentration)
    VolatilityHighly volatile; readily releases ammonia gas at room temperature
    Ash Content≤ 0.005%
    SolubilityMiscible with water and alcohol in all proportions
    Thermal StabilityDecomposes into ammonia gas and water upon heating

    Applications & Functions

    • Textiles & Dyeing: Used as an alkaline processing agent. It aids in washing, scouring, and color penetration, ensuring dyes bond effectively to fabric fibers.
    • Agriculture (Fertilizers): Serves as a direct nitrogen-rich fertilizer or a fundamental precursor for manufacturing compound nitrogenous fertilizers, promoting vigorous crop growth.
    • Water Treatment: Functions as a pH adjuster. When combined with chlorine, it forms chloramines, providing stable, long-lasting disinfection in municipal water systems.
    • Chemical Synthesis: Acts as a vital nitrogen source and intermediate in the production of amines, ammonium salts, pharmaceuticals, and synthetic resins.

    Storage Environment Requirements

    • Temperature Control: Store in a cool, dry, and well-ventilated warehouse. Maintain ambient temperatures generally below 25°C to minimize gas volatilization and pressure build-up.
    • Isolation: Keep strictly away from direct sunlight, open flames, and heat sources.
    • Segregation: Store completely separated from incompatible substances, particularly strong acids, halogens (chlorine, bromine), and strong oxidizing agents.
    • Container Sealing: Ensure all containers are tightly sealed and stored upright to prevent gas leakage and concentration degradation.

    Handling & Usage Precautions

    • Protective Equipment: Always wear chemical splash goggles, protective acid/alkali-resistant gloves, and appropriate protective clothing. In areas with high vapor concentration, use an approved full-face respirator.
    • Ventilation: Operations should be conducted in well-ventilated areas or under a designated chemical fume hood to avoid inhaling irritating ammonia vapors.
    • Spill Response: In the event of a leak, isolate the area immediately. Flush minor spills with plenty of water and neutralize with a dilute acid (like acetic acid) if necessary. Never flush concentrated solutions directly into waterways.

    Formulations

    • Household & Industrial Glass/Surface Cleaners:
      • Formulation: Ammonia water mixed with water, surfactants, and alcohols.
      • Role: Acts as a powerful alkaline solvent. It saponifies grease and lifts dirt, then evaporates completely without leaving any streaks or residue on the glass.
    • Hair Dyes & Bleaching Agents:
      • Formulation: Ammonia water combined with hydrogen peroxide and dye intermediates.
      • Role: Functions as a swelling agent. The alkalinity raises the hair cuticle, allowing the dye molecules and bleaching agents to deeply penetrate the hair cortex for effective coloring.

    Packaging Options

    • Fiber drum or carton box, lined with PE bag.
    • Customization: Customized packaging available upon request to meet specific transportation or facility requirements.

    FAQ

    • Q: How to get more information about the product?
      A: You can contact us via email at info@zhpmchem.com or WhatsApp at +8618321309391 for more information about our products and company.
    • Q: Does the product meet our requirements regarding formulation, equipment, and processing?
      A: Yes, we will adjust the product formulation to your specific needs, ensuring it meets your processing requirements.

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