What is a 50% sodium hydroxide solution?
Specifications
| Concentration | 50% in H2O |
|---|---|
| Linear Formula | NaOH |
| Density | 1.515g/mL at 25°C |
| UN Number | UN1824 |
| Formula Weight | 40g/mol |
Is 50% sodium hydroxide dangerous?
Immediately call a poison center or doctor/physician. Symptoms/effects : Causes severe skin burns and eye damage. Symptoms/effects after inhalation : EXPOSURE TO HIGH CONCENTRATIONS: Dry/sore throat. Symptoms/effects after skin contact : Caustic burns/corrosion of the skin.
What is the pH of 50% sodium hydroxide?
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| Parameter | Range |
|---|---|
| pH (1% solution) | > 12 |
| Specific Gravity | 1.52 at 20°C |
| Crystallization Temp | 58°F |
How would you prepare a 50 sodium hydroxide 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 pH of NaOH?
13
The pH of your NaOH solution is 13.
Is sodium hydroxide a hazard?
Sodium hydroxide is caustic. Workers who come in contact with sodium hydroxide can be harmed. The level of harm depends upon the amount, duration, and activity. It can burn the eyes, skin, and inner membranes, and cause temporary hair loss.
What is the pH of 50 caustic?
14
Pricing & Availability
| Physicochemical Information | |
|---|---|
| Boiling point | 135 °C (1013 hPa) |
| Density | 1.52 g/cm3 (20 °C) |
| Melting Point | 12 °C |
| pH value | 14 (89 g/l, H₂O, 20 °C) |
What is sodium hydroxide in skin care?
Sodium hydroxide, also known as lye, is a highly alkaline (also known as “basic”) ingredient used in small amounts in cosmetics to establish and hold the pH of a product in an acidic or alkaline formula. Pure sodium hydroxide’s pH level is 13, but in cosmetics, it is only used up to pH 11.
What is the pH of a caustic solution?
Some common bases as sodium hydroxide, ammonia and more
| Base | Normality | pH |
|---|---|---|
| Sodium hydroxide (caustic soda) | N | 14.0 |
| Sodium hydroxide | 0.1 N | 13.0 |
| Sodium hydroxide | 0.01 N | 12.0 |
| Sodium metasilicate | 0.1 N | 12.6 |
What is the sodium hydroxide?
Sodium hydroxide is sometimes called caustic soda or lye. It is a common ingrediet in cleaners and soaps. At room temperature, sodium hydroxide is a white, odorless solid. Liquid sodium hydroxide is colorless and has no odor.
What normality is 50 sodium hydroxide?
1 g of NaOH will be equal to 1 40 moles. Therefore, we can say that 1 liter of sodium hydroxide solution contains 18.9375 moles or in other words molarity of 50% (w/w) Sodium Hydroxide is equal to 18.9375 M….Known values.
| Known values | |
|---|---|
| Density of 50% (w/w) Sodium Hydroxide solution | 1.515 g/ml |
What are the safety hazards of sodium hydroxide?
Ulceration and scarring of skin are some of the most commonly observed hazards of NaOH . This chemical is very corrosive, and it has the ability to destroy deeper layers of the skin. Although it is not flammable, it can ignite combustible substances that come in contact with it.
What is the freezing point of sodium hydroxide?
Sodium hydroxide forms an approximately 50% by weight saturated solution with water. The freezing points of some of the more common concentrations are: 5% NaOH -4°C / 25°F. 10% NaOH -10°C / 14°F.
What is specific gravity of caustic soda?
If the excess caustic is removed, the specific gravity will be approximately 1.157. Typically, the sodium hypochlorite produced by a continuous process will have approximately 0.2% by weight excess sodium hydroxide and this would result in a specific gravity of 1.160 at 120 gpl.
What is sodium hydroxide solution used for?
Sodium hydroxide solutions, also known as lye and caustic soda, are used in the manufacture of pulp and paper, textiles, drinking water, soaps, and detergents, and as a drain cleaner.