🧪 What is sodium hydroxide?
Sodium hydroxide (NaOH) is a strong alkaline (base) chemical, also known as caustic soda or lye. It is widely used in industry but can be dangerous if handled incorrectly.
🏭 Common uses
🧼 1. Soap and detergent making
- Used to make hard soaps (saponification process)
- Found in cleaning products and drain cleaners
🧪 2. Industrial cleaning
- Removes grease, oil, and protein deposits
- Used in factories and refineries
🍽️ 3. Food industry (controlled use)
- Used in small, regulated amounts for:
- Pretzels
- Olives processing
- Some food preparation steps
🧻 4. Paper and textile production
- Helps break down wood pulp
- Used in fabric processing
⚠️ Safety warning
Sodium hydroxide is highly corrosive:
- Can cause severe burns on skin
- Damages eyes permanently
- Dangerous if swallowed or inhaled
- Reacts strongly with water and acids
🚨 First aid basics
- Skin contact: rinse with lots of water immediately
- Eye contact: flush with water and seek urgent medical help
- Ingestion: emergency medical treatment required
✔️ Bottom line
Sodium hydroxide is a powerful industrial chemical used in soap, cleaning, and manufacturing, but it must be handled with extreme care due to its corrosive nature.
If you want, I can explain difference between sodium hydroxide and baking soda (very commonly confused) 👍
