# What is hydrogen peroxide 30 used for?

## What is hydrogen peroxide 30 used for?

Hydrogen peroxide is a mild antiseptic used on the skin to prevent infection of minor cuts, scrapes, and burns. It may also be used as a mouth rinse to help remove mucus or to relieve minor mouth irritation (such as due to canker/cold sores, gingivitis).

## What concentration is 30% peroxide?

30% H2O2 means 30 g H2O2 per 100 g, and since the density is 1.11, the molarity is 9.8M. A concentration of 30% w/v hydrogen peroxide implies that for every 100ml of the solution, there is 30g of hygrogen peroxide.

What is meant by 30% H2O2?

Dear Indumati, % w/v means “weight per volume”, i.e. 30g H2O2 per 100mL (of whatever solvent). 30% (w/v) means: if you take 100 ml of that solution, it contains 30 g of H2O2. You should keep it at 4°C in a dark bottle.

What is the molarity of 30% hydrogen peroxide?

9.8 M.
This 30 ml bottle of hydrogen peroxide is reagent grade and has a molarity of 9.8 M.

### What is the pH of 30 hydrogen peroxide?

4.7
What is the pH of H2O2 solutions?

% H2O2 Conc. 0 30
pH @ 25-deg C 7.0 4.7

### What percentage is 40v hydrogen peroxide?

12%
40 Volume hydrogen peroxide mean 12% of hydrogen peroxide. Volume is the amount of oxygen that is contained in a given amount of peroxide.

How do you make a 30 hydrogen peroxide solution?

The molarity of 30% H2O2 solution is 9.8 M. To make 40 mM solution, you should dilute 30% solution 245 times, i.e. mixing of 1 mL of 30% H2O2 with 244 ml of H2O will give you 245 mL of 40 mM H2O2.

What is the density of 30% hydrogen peroxide?

1.11 g/cm3
Pricing & Availability

Physicochemical Information
Boiling point 107 °C (1013 hPa)
Density 1.11 g/cm3 (20 °C)
Melting Point -26 °C
pH value 2 – 4 (H₂O, 20 °C)