Peracetic acid

C₂H₄O₃CAS 79-21-076.05 g/mol

Open in Covalent MOL file

Peroxide

Properties

Molecular formula: C₂H₄O₃
Molar mass: 76.05 g/mol
Exact mass: 76.0160 Da
Density: 1.226 g/mL (at 15 °C)
Melting point: −0.2 °C
Boiling point: 105 °C
pKa: 8.2 (25 °C)
Flash point: -62 °C (closed cup)
Water solubility: miscible (25 °C)
logP: 0.02Crippen estimate
Polar surface area: 46.5 Å²
H-bond donors / acceptors: 1 / 3
Rotatable bonds: 0

Hazards

Danger

H242 Heating may cause a fireSelf-reactive substances and mixtures; Organic peroxides
H301 Toxic if swallowedAcute toxicity, oral
H310 Fatal in contact with skinAcute toxicity, dermal
H314 Causes severe skin burns and eye damageSkin corrosion/irritation
H330 Fatal if inhaledAcute toxicity, inhalation
H400 Very toxic to aquatic lifeHazardous to the aquatic environment, acute hazard
H410 Very toxic to aquatic life with long lasting effectsHazardous to the aquatic environment, long-term hazard

Harmonised EU classification (CLP Annex VI), via PubChem.

Precautionary statements

P210, P234, P235, P240, P260, P262, P264, P270, P271, P273, P280, P284, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P320, P321, P330, P361+P364, P363, P370+P378, P391, P403, P403+P233, P405, P410, P411, P420, P501