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Material Safety Data Sheets (MSDS)
13.2 Sulfuric acid (98%)
Name:
SULPHURIC ACID Formula: H
2
SO
4
Hazard class: 8 UN N°: 1830
CAS N° 7664-93-9
PHYSICAL PROPERTIES
MELTING POINT 10 °C
BOILING POINT 330°C
SPECIFIC GRAVITY 1,8
MISCIBLE WITH WATER
FIRE AND EXPLOSION HAZARD May evolve toxic fumes in a fire.
HEALTH HAZARD Classification of risk - Corrosive.
Causes severe burns to eyes and skin.
If ingested causes severe internal irritation and damage.
Dilute acid irritates the eyes and skin and can cause burns and dermatitis.
Minimum lethal dose, D50 = 2140 mg/Kg, via oral route.
Occupational exposure standard, long term exposure limit (8 hours TWA) mg
-3
Keep out of reach of children.
SAFETY PRECAUTIONS-FIRST AID
EYES Wash immediately and thoroughly with plenty of water for at least 10 minutes.
Obtain medical attention.
LUNGS Remove from exposure, rest and keep warm, or if exposure has been great, obtain
medical attention.
MOUTH Wash out mouth thoroughly with water; give plenty of water to drink; obtain medical
attention.
SKIN Drench the skin thoroughly with water and give plenty of water to drink. Obtain
medical attention.
CHEMICAL HAZARDS AND STABILITY
Reacts vigorously with evolution of heat. Never add water to this product.
Will react violently with the following:
• Acetonitrile.
• Perchlorates.
• Nitro-organic compounds.
• Alkali metals.
• Potassium permanganate
• Metal halogenates.
Avoid contact with bases.
PROTECTIVE MEASURES
Wear chemical-resistant gloves (nitrile), safety goggles or face shield and use fume
cupboard. For large quantities use approved breathing apparatus, plastic apron and
sleeves and wear boots.
Ensure that safety shower and eye bath are available in the locality.
SPILLAGE HANDLING Wear appropriate protective clothing.
Cover the spillage with soda ash. If local regulations permit, cautiously add plenty
of water and mop up while diluting with more water and run to waste. Wash site of
spillage thoroughly with water. Otherwise cover with dry lime, sand or soda ash and
place in covered canisters. Arrange removal by disposal company. Ventilate area
and wash spill site with water after material removal is complete.
If material has entered drains it may be necessary to inform the Local Authorities.
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