Common questions

Is caustic soda a hazardous material?

Is caustic soda a hazardous material?

Hazard statement Corrosive. Harmful if swallowed. Causes severe skin burns and eye damage.

What action should you take if 50% by weight sodium hydroxide solution gets on your skin?

Skin: In case of contact, immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid immediately.

How do you make a 50% caustic solution?

Stock solution, 50% (by weight): Add 100 mL of distilled water to 100 g of reagent grade sodium hydroxide (NaOH) pellets and stir until solution is complete.

What is the weight of 50% sodium hydroxide?


Concentration 50% in H2O
Linear Formula NaOH
Density 1.515g/mL at 25°C
UN Number UN1824
Formula Weight 40g/mol

What can you do for caustic soda burn?

If you think you have a chemical burn, take these steps immediately:

  1. Remove the cause of the burn. Flush the chemical off the skin with cool running water for at least 10 minutes.
  2. Remove clothing or jewelry that has been contaminated by the chemical.
  3. Bandage the burn.
  4. Flush again if needed.

What happens if you breathe in caustic soda?

Breathing in sodium hydroxide causes irritation of eyes, nose and throat, cough, chest tightness, headache, fever and confusion. In serious cases damage to the airways, a fast Page 3 Compendium of Chemical Hazards: Sodium Hydroxide Page 3 of 4 General Information heart rate and eye damage can occur.

What to do if you get caustic on your skin?


  1. First, take the chemical away and make sure it is not in contact with the person anymore.
  2. Rinse the chemical off the skin or out of the eyes with cool (not cold) running water.
  3. Put clean gauze over the burn.
  4. Call poison control for help with giving first aid to someone who has swallowed a caustic chemical.

What is the formula of caustic soda?

Caustic Soda is a white, crystalline, odorless solid with the chemical formula NaOH and CAS 1310-73-2.

What are the practical uses of caustic soda?

Caustic Soda Uses It is used as a cleansing agent and in the manufacturing of washing soda. Sometimes, sodium hydroxide is also used as a reagent in the laboratories. It is used in the preparation of soda lime. It is used in the extraction of aluminium by purifying bauxite.

What is caustic soda and what is used for?

Caustic soda (sodium hydroxide) is a versatile alkali. Its main uses are in the manufacture of pulp and paper, alumina, soap and detergents, petroleum products and chemical production . Other applications include water treatment, food, textiles, metal processing, mining, glass making and others.

What can caustic soda be used for?

Caustic soda, or sodium hydroxide, is used in the manufacture of plastic wrap, soap and paper and is the major ingredient in most oven cleaners and liquid drain cleaners. In chemical manufacturing, it is used in metal processing, oil refining and water treatment.