Letter 19021

What is Dihydrogen Dioxide?

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I need to know what Dihydrogen Dioxide is.

Linton
- Toronto

First of three simultaneous responses +++

Dihydrogen dioxide is literally H2O2. This is better known as hydrogen peroxide [link is to product info at Amazon]. Now tell me what dihydrogen oxide is!

Trevor Crichton
R&D practical scientist - UK

Second of three simultaneous responses +++

It sounds to me like you are looking for something with the chemical formula H2O2. This is often used in teeth whitening systems and also in industrial applications. But to answer your question directly, go to your medicine cabinet and look for a bottle of hydrogen peroxide. Now you've found H2O2.

Dan Brewer
chemical process supplier - Gurnee, Illinois

Third of three simultaneous responses +++

A chemistry teacher's trick question? The answer is Hydrogen peroxide, H2O2 (that's an 'oh'), Chemical Abstracts Service Registry # 7722-84-1. Other synonyms: Carbamide Peroxide; Hydrogen Dioxide; Peroxide; Hydroperoxide; Urea Peroxide.

Commonly used at 3 to 50 wt% concentration in aqueous solutions.

Ken Vlach
- Goleta, California

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Dihydrogen oxide -- H20

Sheila Willer
- Barftlett, Illinois

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