⚠ DANGER: Oxidizing bleach and disinfectant. 3% (household) is mildly hazardous; 30%+ (industrial) is corrosive and can ignite organic materials; 90%+ is explosive. Decomposes releasing oxygen — do not seal containers tightly.
GHS Hazard Pictograms
🔆 Oxidizer⚗ Corrosive⚠ Harmful/Irritant
Hazard Statements (H-codes)
H271 – May cause fire or explosion (oxidizer, ≥50%)
H302 – Harmful if swallowed
H314 – Causes skin burns and eye damage
H332 – Harmful if inhaled
Precautionary Statements (P-codes)
P210 – Keep away from heat and combustibles
P220 – Keep away from clothing and combustibles
P305+P351+P338 – IF IN EYES: Rinse with water for 15 min; seek immediate medical attention
P310 – Immediately call Poison Control
First Aid Measures (Section 4)
👁Eye Contact▼
Flush immediately with water for at least 15–20 minutes. Seek immediate emergency care.
🖐Skin Contact▼
Flush with water for 15 minutes. Concentrated H2O2 causes whitening and burning — seek medical attention.
🫁Inhalation▼
Move to fresh air. High concentrations cause pulmonary edema. Seek emergency care.
🫦Ingestion▼
Call Poison Control (1-800-222-1222) immediately. H2O2 releases oxygen in stomach causing gas embolism in concentrated doses. Seek emergency care.
Storage & Handling
🔒 Storage & Handling: Store in vented containers away from organic materials, heat, and reducing agents. Keep in cool, dark location. Never store in sealed containers.
PPE Requirements
Chemical splash goggles
Nitrile gloves
Face shield for concentrations >30%
Chemical-resistant apron
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