⚠ DANGER: Strong mineral acid with strong dehydrating and oxidizing properties. Concentrated H2SO4 reacts violently with water (add acid to water, never water to acid). Causes deep, progressive burns. Battery acid is a daily hazard in automotive and industrial settings.
GHS Hazard Pictograms
⚗ Corrosive☠ Acutely Toxic
Hazard Statements (H-codes)
H290 – May be corrosive to metals
H314 – Causes severe skin burns and eye damage
H335 – May cause respiratory irritation
Precautionary Statements (P-codes)
P234 – Keep only in original container
P260 – Do not breathe mist
P303+P361+P353 – IF ON SKIN: Remove clothing, rinse with water
P305+P351+P338 – IF IN EYES: Rinse continuously for 15 min; seek immediate emergency care
First Aid Measures (Section 4)
👁Eye Contact▼
Flush immediately and continuously with water for at least 30 minutes. Seek immediate emergency care. Time is critical — every second of continued acid contact worsens prognosis.
🖐Skin Contact▼
Remove contaminated clothing immediately. Flush with large amounts of water for at least 20 minutes. Burns from concentrated acid appear slowly — seek emergency care regardless of apparent severity.
🫁Inhalation▼
Move to fresh air. Acidic mist causes pulmonary edema. Call 911 for significant inhalation. SCBA required for re-entry.
🫦Ingestion▼
Rinse mouth. Do NOT induce vomiting. Give water if conscious and able to swallow. Call 911 and Poison Control (1-800-222-1222). Internal burns require immediate emergency surgery.
Storage & Handling
🔒 Storage & Handling: Store in acid-resistant containers with secondary containment. Keep away from bases, oxidizers, and flammables. Add concentrated acid to water slowly — never the reverse.
PPE Requirements
Face shield over chemical goggles
Acid-resistant gloves (butyl or neoprene)
Acid-resistant apron and boots
Acid/mist respirator for concentrated work
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