SDS Introduction
📄 Ammonium Hydroxide SDS PDF download, GHS classification, CAS 1336-21-6, hazard statements, and industrial safety information.
Ammonium hydroxide is an aqueous solution of ammonia used in industrial cleaning, chemical manufacturing, water treatment, electronics, and laboratory applications. It releases ammonia vapor and concentrated solutions can cause severe skin burns and serious eye damage.
Quick Answer
Ammonium hydroxide is an aqueous ammonia solution with a strong, irritating odor. Concentrated solutions can be corrosive and exposure to ammonia vapor may cause severe respiratory irritation and eye damage.
Quick Summary
| Item | Details |
|---|---|
| Product Name | Ammonium Hydroxide |
| CAS Number | 1336-21-6 |
| UN Number | UN2672 / UN2671 / UN1005* |
| Physical State | Liquid |
| Main Hazard | Corrosive / Toxic Vapor |
| GHS Classification | Skin Corrosion, Serious Eye Damage, Acute Toxicity* |
| Primary Use | Industrial cleaning, chemical manufacturing, water treatment, laboratory applications |
* UN classification and GHS classification vary according to ammonia concentration and product formulation.
What is Ammonium Hydroxide?
- Aqueous solution of ammonia in water
- Commonly represented as NH₄OH
- Colorless liquid with a strong ammonia odor
- Used in industrial cleaning, chemical manufacturing, and water treatment
- Releases irritating ammonia vapor, particularly at higher concentrations
Common Ingredients
- Ammonia
- Water
Composition varies depending on product concentration.
Basic Information
| Property | Value | Notes |
|---|---|---|
| Chemical Formula | NH₄OH* | Aqueous ammonia |
| CAS Number | 1336-21-6 | Standard identifier |
| Appearance | Colorless liquid | Strong ammonia odor |
| Boiling Point | Concentration dependent | Ammonia may volatilize |
| UN Number | Concentration dependent | UN2672 / UN2671 / UN1005 |
| Classification | Corrosive / Irritant | Concentration dependent |
* Ammonium hydroxide is commonly used to describe ammonia dissolved in water.
GHS Hazard Classification
| Symbol | Classification | Description |
|---|---|---|
| 🧪 | Skin Corrosion | Concentrated solutions can cause severe skin burns |
| ⚠️ | Serious Eye Damage | Causes serious eye damage |
| ☠️ | Acute Toxicity | High-concentration ammonia vapor may be toxic |
| 🌊 | Aquatic Hazard | May be harmful or toxic to aquatic life depending on concentration |
Hazard Statements
| Code | Statement |
|---|---|
| H314 | Causes severe skin burns and eye damage* |
| H335 | May cause respiratory irritation |
| H400 | Very toxic to aquatic life* |
* Applicable hazard statements vary according to concentration and supplier classification.
Key Hazards
- Inhalation – Strong respiratory irritation, coughing, breathing difficulty
- Skin Contact – Irritation or severe chemical burns depending on concentration
- Eye Contact – Severe irritation and serious eye damage
- Ingestion – Corrosive injury to the mouth, throat, and digestive tract
- Environmental Impact – Ammonia can be harmful or toxic to aquatic organisms
First Aid Measures
- Inhalation – Move to fresh air immediately and seek medical attention if symptoms persist
- Skin Contact – Remove contaminated clothing and rinse immediately with plenty of water
- Eye Contact – Rinse cautiously with water for at least 15 minutes and obtain immediate medical attention
- Ingestion – Do not induce vomiting and seek immediate medical attention
Recommended PPE
| PPE | Recommendation |
|---|---|
| Safety Glasses | Chemical splash goggles required |
| Chemical Resistant Gloves | Required |
| Respirator | Appropriate ammonia-rated respiratory protection where exposure may occur |
| Protective Clothing | Recommended to required depending on concentration |
Storage and Handling
- Store in a tightly closed, compatible container
- Keep in a cool, dry, and well-ventilated area
- Keep away from acids, oxidizers, and incompatible chemicals
- Avoid breathing ammonia vapor
- Use local exhaust ventilation where ammonia vapor may be generated
Frequently Asked Questions
Is Ammonium Hydroxide Dangerous?
Yes. Concentrated ammonium hydroxide can be corrosive and releases irritating ammonia vapor.
Does Ammonium Hydroxide Have a Strong Odor?
Yes. It has a characteristic strong ammonia odor, and vapor exposure can irritate the respiratory system.
Can Ammonium Hydroxide Be Mixed with Acids?
No. Mixing ammonium hydroxide with acids can generate heat and may create hazardous vapors or reactions.
What PPE Should Be Used?
Chemical-resistant gloves, chemical splash goggles, protective clothing, and appropriate respiratory protection where ammonia exposure is possible.
What Is Ammonium Hydroxide Used For?
It is used in industrial cleaning, chemical manufacturing, water treatment, electronics processing, and laboratory applications.
SDS Download (English)
📄 [Ammonium Hydroxide Safety Data Sheet (SDS) PDF – Avantor]
Click to download the official SDS PDF provided by Avantor.
📄 [Ammonium Hydroxide Safety Data Sheet (SDS) PDF – Spectrum Chemical]
Click to download the official SDS PDF provided by Spectrum Chemical.
📄 [Ammonium Hydroxide Safety Data Sheet (SDS) PDF – Fisher Chemical]
Click to download the official SDS PDF provided by Fisher Chemical.
Important Notice
⚠️ This information is provided for reference only.
Regulatory classification and requirements may vary depending on manufacturer and jurisdiction.
Always consult the official SDS issued by the supplier before handling the substance.