| Formula / Notation | NH4OH |
|---|---|
| CAS Number | 1336-21-6 |
| Molecular Weight | 35.046 |
| Melting Point | -58 °C (25%) |
| Boiling Point | 38 °C (25%) |
| Density | About 0.90 @ 25 °C/25 °C |
| Solubility | Exists only in solution |
| Appearance | Ammonium hydroxide appears as a colorless aqueous solution. Concentration of ammonia ranges up to approximately 30%. Ammonia vapors (which arise from the solution) irritate the eyes. |
| Also Known As | azanium hydroxide; 1336-21-6; Ammonia water; Ammonia aqueous; Aquammonia; Ammonia, aqua; Household ammonia; Ammonia, monohydrate; Ammonia water 29%; NH4OH |
| Category | Bases & Alkalis |
What is Ammonium hydroxide?
Ammonium hydroxide is a solution of ammonia in water. It has a role as a food acidity regulator.
Formula & Notation
IUPAC Name: azanium hydroxide
Other Names / Synonyms: azanium hydroxide; 1336-21-6; Ammonia water; Ammonia aqueous; Aquammonia; Ammonia, aqua; Household ammonia; Ammonia, monohydrate; Ammonia water 29%; NH4OH
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | -58 °C (25%) |
| Boiling Point | 38 °C (25%) |
| Density | About 0.90 @ 25 °C/25 °C |
| Molecular Weight | 35.046 |
| Solubility | Exists only in solution |
| Appearance | Ammonium hydroxide appears as a colorless aqueous solution. Concentration of ammonia ranges up to approximately 30%. Ammonia vapors (which arise from the solution) irritate the eyes. |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Ammonium hydroxide is a solution of ammonia in water. It has a role as a food acidity regulator.
Used in chemical manufacturing, pH adjustment, saponification, water treatment, and as a laboratory reagent.
Corrosive or irritant. Causes burns to skin and eyes. Store away from acids. Wear protective gloves and goggles. Consult SDS before use.
The formula or notation for Ammonium hydroxide is: NH4OH