⚠ DANGER: Strong mineral acid and oxidizer. Causes deep yellow-brown (xanthoproteic) burns on skin. Fuming grades release NO2 (toxic brown gas) at room temperature. Reacts violently with organic materials.
GHS Hazard Pictograms
🔆 Oxidizer⚗ Corrosive☠ Acutely Toxic
Hazard Statements (H-codes)
H272 – May intensify fire; oxidizer
H290 – May be corrosive to metals
H314 – Causes severe skin burns and eye damage
H331 – Toxic if inhaled
Precautionary Statements (P-codes)
P210 – Keep away from combustibles/heat
P220 – Keep away from clothing and combustible materials
P305+P351+P338 – IF IN EYES: Rinse continuously for 15 min; seek emergency care
P310 – Immediately call Poison Control
First Aid Measures (Section 4)
👁Eye Contact▼
Flush immediately with large amounts of water for at least 30 minutes. Seek immediate emergency care.
🖐Skin Contact▼
Remove contaminated clothing immediately. Flush with large amounts of water for 20+ minutes. Nitric acid burns turn skin yellow-brown — seek emergency care.
🫁Inhalation▼
Remove to fresh air. NO2 fumes cause pulmonary edema with delayed onset (4–24 hours). Seek emergency care even if initial symptoms are mild.
🫦Ingestion▼
Rinse mouth. Do NOT induce vomiting. Give water. Call 911 and Poison Control (1-800-222-1222).
Storage & Handling
🔒 Storage & Handling: Store in acid-resistant containers away from organic materials, flammables, and reducing agents. Secondary containment. Fuming grades require refrigeration and fume cabinet.
PPE Requirements
Full face shield over chemical goggles
Acid-resistant gloves
Acid-resistant apron and boots
Acid/gas respirator for fuming grades
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