ABC of Safety in the Biological Sciences
BORIC OXIDE B2O3
SYNONYMS
Boric anhydride, boron trioxide, boron oxide.
GENERAL PRECAUTIONS
Keep away from skin and eyes.
Avoid inhalation or ingestion.
Keep lid tightly closed.
CHARACTERISTICS
Odourless, colourless crystals.
HEALTH HAZARD DATA
Eye and skin irritant. Prolonged exposure to the dust can cause
upper respiratory tract irritation. TLV (Worksafe Australia)
10mg/m3.
TREATMENTS
Skin - Immediately wash the affected area with soap or mild
detergent and large amounts of water until all evidence of the
chemical has been removed (approximately 15 minutes). If
irritation persists seek medical advice.
Eyes - Immediately wash the affected eye with large amounts of
water until all evidence of the chemical has been removed
(approximately 15 minutes). If irritation or pain persists seek
immediate medical attention.
Inhalation - Remove from the area of exposure to fresh air. Keep
warm and allow to rest. If irritation persists seek medical
advice.
Ingestion - Never give anything by mouth if the victim is losing
consciousness, is unconscious or convulsing. Rinse the mouth
thoroughly with water. Induce vomiting using Ipecac syrup. Seek
medical advice.
INCOMPATIBILITY
None known.
STORAGE
Absorbs atmospheric moisture, keep lid tightly closed. Store in
a cool, dry atmosphere away from heat and incompatible
substances.
HANDLING
Wear protective clothing. A long sleeved laboratory coat or gown
with elasticised wrist bands, rubber gloves and safety goggles
as a minimum standard.
DISPOSAL
Dispose of by high temperature incineration.
ENVIRONMENT
The environmental effects of this compound have not been
studied. Boric oxide will hydrolyse slowly in aqueous solution
to form boric acid. This chemical has a low potential to effect
aquatic organisms but may have a moderate potential to cause
effects on secondary waste treatment plants. A moderate quantity
of boric oxide released into the environment is not expected to
have a significant adverse impact.
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