National Toxicology Program

IX   References

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                    LABORATORY HEALTH AND SAFETY REVIEW OF:
                               Indium Phosphide

Route: Inhalation

Indium phosphide is a non-combustible solid. It is incompatible with strong
oxidizing agents, sulfur and strong acids. The chemical is not soluble in
water, is non-volatile and odorless. It is not readily soluble in mineral
acids.

Indium phosphide has neither an OSHA PEL or an ACGIH TLV. However,
Indium and its compounds have an OSHA PEL of O.1mg/m (as In). The
chemical may cause irritation to the skin, mucous membranes and
respiratory tract. Exposure may cause damage to the lungs, liver, kidneys
and heart.

In the event of inhalation or ingestion, get medical help immediately. If
ingestion occurs, do NOT induce vomiting.

Specific glove type information is not available. Double gloving with gloves
of dissimilar materials is to be used when handling neat chemical. Additional
personal protective equipment is to include: ANSI approved safety goggles
are to be worn when handling the neat chemical, ANSI approved safety
glasses with side shields are to be worn at all other times. Disposable
jumpsuits (e . g ., TYVEK , etc . ) and NIOSH approved chemical cartridge
respirators with particulate filter cartridges are to be used in conjunction
with the equipment described above.

In the event of a spill, utilize appropriate personal protective equipment,
as described above. In order to minimize dust formation, dampen the solid
spilled material with 60-70% ethanol to pick up any remaining material.
Place the absorbed material in a vapor-tight bag for disposal. Clean the
spill area with strong soap and water until all traces of the material are
removed. All potentially contaminated materials are to be disposed of as
hazardous waste.

All waste materials potentially contaminated with test chemical must be
securely packaged, labeled, double bagged and disposed of as hazardous
waste in accordance with federal (EPA, RCRA, etc . ), state and local
regulations. Incineration is the preferred method of disposal, when
possible, otherwise a licensed hazardous waste landfill site is acceptable.

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