Hydrogen Peroxide 34% is composed of 34% hydrogen peroxide (H2O2) and 66% water (H2O). Lab grade hydrogen peroxide 34% is a clear, colorless liquid with no added stabilizers. Hydrogen peroxide is a versatile product with many applications and uses. It is a great solution for disinfecting and sterilizing surfaces and textiles. Hydrogen peroxide breaks down into oxygen and water leaving no toxic residues. Laboratory grade hydrogen peroxide 34% contains intermediate purity and is suitable for educational or research laboratories; it is not safe to use in foods, drugs, or medicines.