Hydrogen peroxide is a chemical compound with the formula H ₂O ₂. In its pure form, it is a very pale blue, clear liquid, slightly more viscous than water. Hydrogen peroxide is the simplest peroxide. It is used as an oxidizer, bleaching agent, and antiseptic.
| vapor pressure | 23.3 mmHg ( 30 °C) |
| assay | 34.5-36.5% |
| shelf life | Shelf life is limited. |
| contains | stabilizer |
| impurities | ≤0.0002% heavy metals (as Pb) |
| ≤0.02% free acid (as H2SO4) | |
| ≤0.05% non-volatile matter | |
| ign. residue | ≤0.03% |
| solubility | diethyl ether: soluble |
| petroleum ether: insoluble | |
| water: soluble | |
| density | 1.130 g/cm3 |
| SMILES string | OO |
| InChI | 1S/H2O2/c1-2/h1-2H |
| InChI key | MHAJPDPJQMAIIY-UHFFFAOYSA-N |









