SDS Introduction
📄 Sodium Hypochlorite SDS PDF download, GHS classification, CAS 7681-52-9, hazard statements, and industrial safety information.
Sodium hypochlorite is an oxidizing and corrosive chemical widely used as a disinfectant, bleach, water treatment agent, and industrial cleaner. Contact with acids may release toxic chlorine gas, and direct contact can cause severe skin and eye irritation or burns.
Quick Answer
Sodium hypochlorite is a strong oxidizing disinfectant commonly used for bleaching, sanitation, and water treatment. It is corrosive, harmful to aquatic life, and may release toxic chlorine gas when mixed with acids.
Quick Summary
| Item | Details |
|---|---|
| Product Name | Sodium Hypochlorite |
| CAS Number | 7681-52-9 |
| UN Number | UN1791 |
| Physical State | Liquid |
| Main Hazard | Corrosive / Oxidizing / Environmental Hazard |
| GHS Classification | Skin Corrosion, Serious Eye Damage, Aquatic Hazard |
| Primary Use | Disinfectant, bleach, water treatment, industrial cleaning |
What is Sodium Hypochlorite?
- Inorganic compound with the chemical formula NaOCl
- Yellow to greenish liquid with a chlorine-like odor
- Widely used as a disinfectant and bleaching agent
- Commonly used in water treatment and industrial sanitation
- Reacts with acids to release toxic chlorine gas
Common Ingredients
Not applicable (Pure substance or aqueous solution)
Basic Information
| Property | Value | Notes |
|---|---|---|
| Chemical Formula | NaOCl | Sodium hypochlorite |
| CAS Number | 7681-52-9 | Standard identifier |
| Appearance | Yellow to greenish liquid | Chlorine-like odor |
| Boiling Point | Decomposes on heating | Concentration dependent |
| UN Number | UN1791 | Hypochlorite Solution |
| Classification | Corrosive / Oxidizing | Environmental hazard |
GHS Hazard Classification


| Symbol | Classification | Description |
|---|---|---|
| 🧪 | Skin Corrosion (Category 1) | Causes severe skin burns and eye damage |
| ⚠️ | Serious Eye Damage (Category 1) | Causes serious eye damage |
| 🌊 | Aquatic Acute (Category 1) | Very toxic to aquatic life |
| 🌊 | Aquatic Chronic (Category 1) | Very toxic to aquatic life with long lasting effects |
Hazard Statements
| Code | Statement |
|---|---|
| H290 | May be corrosive to metals |
| H314 | Causes severe skin burns and eye damage |
| H400 | Very toxic to aquatic life |
| H410 | Very toxic to aquatic life with long lasting effects |
| EUH031 | Contact with acids liberates toxic gas |
Key Hazards
- Inhalation – Chlorine vapors may cause respiratory irritation
- Skin Contact – Severe burns and irritation
- Eye Contact – Serious eye damage
- Ingestion – Corrosive to the digestive tract
- Environmental Impact – Highly 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 and face shield recommended |
| Chemical Resistant Gloves | Required |
| Respirator | Recommended where chlorine vapor exposure is possible |
| Protective Clothing | Required |
Storage and Handling
- Store in a cool, well-ventilated place away from direct sunlight
- Keep container tightly closed
- Do not mix with acids or ammonia
- Store away from reducing agents and combustible materials
Frequently Asked Questions
Is Sodium Hypochlorite Corrosive?
Yes. It can cause severe skin burns and serious eye damage.
Can Sodium Hypochlorite Be Mixed with Acids?
No. Mixing with acids may release toxic chlorine gas.
What PPE Should Be Used?
Chemical-resistant gloves, splash goggles, face shield, and protective clothing are recommended.
What Is Sodium Hypochlorite Used For?
It is widely used as a disinfectant, bleaching agent, water treatment chemical, and industrial cleaner.
SDS Download (English)
📄 [Sodium Hypochlorite Safety Data Sheet (SDS) PDF – Olin]
Click to download the official SDS PDF provided by Olin.
📄 [Sodium Hypochlorite Safety Data Sheet (SDS) PDF – Kuehne Chemical Company]
Click to download the official SDS PDF provided by Kuehne Chemical Company.
📄 [Sodium Hypochlorite Safety Data Sheet (SDS) PDF – Brenntag]
Click to download the official SDS PDF provided by Brenntag.
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.