FED-STD-791D
Emergency Treatment and Measures:
a. Hygienic Precautions.
b. First Aid.
c. Fire Precautions (In case of outbreak).
Spills:
068 Sulfuric acid H2SO4
Synonyms: Oil of vitriol, Dipping acid, Battery Acid, Fertilizer Acid.
Life Hazard: Contact with the body tissue results in rapid tissue destruction, causing
severe burns. Threshold limit value of fumes or mist, 1 mg/m3 moderate
fire hazard, by chemical reaction; a powerful oxidizer; can ignite upon
contact with combustibles. When heated, it emits highly toxic fumes.
Flammability: Not flammable but highly reactive and capable of igniting finely divided
combustible materials on contact. Reacts violently with water and organic
materials with evolution of heat. Extremely hazardous in contact with
many materials. Attacks and corrodes many metals by releasing
hydrogen.
Handling: Protect containers against physical damage and prevent contacts with water.
Separate from carbides, chlorates, fulminates, nitrates, picrates, powdered
metals and combustible materials. Wear rubber gloves, chemical goggles,
rubber boots and chemical cartridge respirator.
Emergency Treatment and Measures:
a. Hygienic Precautions: Adequate ventilation. Preclude from exposure those
individuals with pulmonary diseases.
b. First Aid: Irrigate eyes with water. Wash contaminated areas of body with soap
and water. If swallowed, call a physician. Do not induce vomiting.
c. Fire Precautions (In case of outbreak): Fire involving small amount of
combustibles may be smothered with suitable dry chemical. Use water on
combustibles burning in vicinity of this material but use care as water applied
directly to this acid results in evolution of heat and causes splattering.
Cover with sodium carbonate or an equal mixture of soda ash and slaked lime.
Spills:
After mixing, add water if necessary to form a slurry.
069 Sulfurous Acid H2SO3
Synonyms: N/A
Life Hazard: Highly toxic by ingestion and inhalation; strong irritant to tissue.
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