SDS Introduction
📄 Phosphoric Acid SDS PDF download, GHS classification, CAS 7664-38-2, hazard statements, and industrial safety information.
Phosphoric acid is a colorless, odorless inorganic acid widely used in fertilizer production, metal surface treatment, food processing, water treatment, and industrial cleaning. Concentrated phosphoric acid is corrosive and can cause severe skin burns and serious eye damage.
Quick Answer
Phosphoric acid is a corrosive inorganic acid commonly used in industrial manufacturing, metal treatment, and food processing. Direct contact with concentrated solutions may cause severe skin burns and serious eye damage.
Quick Summary
| Item | Details |
|---|---|
| Product Name | Phosphoric Acid |
| CAS Number | 7664-38-2 |
| UN Number | UN1805 |
| Physical State | Liquid |
| Main Hazard | Corrosive |
| GHS Classification | Skin Corrosion, Serious Eye Damage |
| Primary Use | Fertilizer production, metal treatment, food processing, industrial cleaning |
What is Phosphoric Acid?
- Inorganic acid with the chemical formula H₃PO₄
- Colorless, odorless liquid or syrup-like solution
- Used in fertilizer manufacturing and metal surface treatment
- Common ingredient in rust removers and industrial cleaners
- Also used as a food additive and pH control agent
Common Ingredients
Not applicable (Pure substance)
Basic Information
| Property | Value | Notes |
|---|---|---|
| Chemical Formula | H₃PO₄ | Inorganic acid |
| CAS Number | 7664-38-2 | Standard identifier |
| Appearance | Colorless liquid | Odorless |
| Boiling Point | 158°C (decomposes) | Concentration dependent |
| UN Number | UN1805 | Phosphoric Acid Solution |
| Classification | Corrosive | Concentrated solutions |
GHS Hazard Classification
| Symbol | Classification | Description |
|---|---|---|
| 🧪 | Skin Corrosion (Category 1B) | Causes severe skin burns and eye damage |
Hazard Statements
| Code | Statement |
|---|---|
| H314 | Causes severe skin burns and eye damage |
Key Hazards
- Inhalation – Mists may irritate the respiratory tract
- Skin Contact – Severe burns from concentrated solutions
- Eye Contact – Serious eye damage
- Ingestion – Corrosive to the mouth, throat, and stomach
- Environmental Impact – Prevent large releases into waterways
First Aid Measures
- Inhalation – Move to fresh air 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 with face shield recommended |
| Chemical Resistant Gloves | Required |
| Respirator | Recommended where mist exposure may occur |
| Protective Clothing | Required |
Storage and Handling
- Store in corrosion-resistant containers
- Keep containers tightly closed
- Store in a cool, dry, and well-ventilated area
- Keep away from strong bases and reactive metals
- Avoid generating acid mist during handling
Frequently Asked Questions
Is Phosphoric Acid Corrosive?
Yes. Concentrated phosphoric acid is corrosive and can cause severe skin burns and eye damage.
Is Phosphoric Acid Flammable?
No. Phosphoric acid is not classified as a flammable substance.
What PPE Should Be Used?
Chemical-resistant gloves, chemical splash goggles, face shield, and protective clothing are recommended.
What Is Phosphoric Acid Used For?
It is widely used in fertilizer manufacturing, metal surface treatment, food processing, rust removal, and industrial cleaning.
SDS Download (English)
📄 [Phosphoric Acid Safety Data Sheet (SDS) PDF – Sigma-Aldrich]
Click to download the official SDS PDF provided by Sigma-Aldrich.
📄 [Phosphoric Acid Safety Data Sheet (SDS) PDF – Fisher Scientific]
Click to download the official SDS PDF provided by Fisher Scientific.
📄 [Phosphoric Acid Safety Data Sheet (SDS) PDF – Carl Roth]
Click to download the official SDS PDF provided by Carl Roth.
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.