Classification

Hydrogen peroxide solutions with concentration higher than 5% by weight are dangerous substances, e.g. according to Global Harmonized System (GHS) and the European Regulation No. 1272/2008. They must be labeled and handled correspondingly.

Classification of aqueous H2O2 solutions according to the European Regulation No. 1272/2008

 30% ≤ H2O2 < 35%

Hazard statements 

H302
H318
H332

Harmful if swallowed
Causes serious eye damage
Harmful if inhaled

hazard symbols GHS05 and GSH07

Prevention statements 

P264

P280

Wash hands thoroughly with soap and water after handling
Wear protective gloves and clothing; eye and face protection

35% ≤ H2O2 < 50%

Hazard statements 

H302
H315
H318
H332
H335

Harmful if swallowed
Causes skin irritation
Causes serious eye damage
Harmful if inhaled
May cause respiratory irritation

Prevention statements 

P261

P280

Avoid breathing dust, fume, gas, mist, vapors, spray
Wear protective gloves and clothing; eye and face protection

50% ≤ H2O2 < 70%

Hazard statements 

H272
H302
H314
H318
H332
H335
H412*

May intensify fire; oxidizer
Harmful if swallowed
Causes severe skin burns and eye damage
Causes serious eye damage
Harmful if inhaled
May cause respiratory irritation
Harmful to aquatic life with long lasting effect 

hazard symbols GHS05, GSH07, GHS03

Prevention statements 

P210

P261

P280

Keep away from heat, sparks, open flames, hot surfaces; no smoking
Avoid breathing dust, fume, gas, mist, vapors, spray
Wear protective gloves and clothing; eye and face protection

70% ≤ H2O2

Hazard statements 

H271
H302
H314
H318
H332
H335
H412

May cause fire or explosion; strong oxidizer
Harmful if swallowed
Causes severe skin burns and eye damage
Causes serious eye damage
Harmful if inhaled
May cause respiratory irritation
Harmful to aquatic life with long lasting effects 

Prevention statements 

P210

P261

P280

Keep away from heat, sparks, open flames, hot surfaces;no smoking
Avoid breathing dust, fume, gas, mist, vapors, spray
Wear protective gloves and clothing; eye and face protection 

*Only for H2O2 ≥ 63 %