PHYSICAL STATE; APPEARANCE:
COLOURLESS, ODOURLESS CRYSTALS OR POWDER.
PHYSICAL DANGERS:
CHEMICAL DANGERS:
The substance decomposes on heating producing toxic fumes of arsenic
(see ICSC # 0013). Reacts with acids releasing toxic arsine gas (see ICSC # 0222).
Attacks many metals in presence of water such as iron, aluminium and zinc, releasing toxic
fumes of arsenic and arsine.
OCCUPATIONAL EXPOSURE LIMITS (OELs):
TLV (as As): ppm; 0.2 mg/m3 (ACGIH 1991-1992).
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ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its
aerosol, through the skin and by ingestion.
INHALATION RISK:
Evaporation at 20°C is negligible; a harmful concentration of airborne
particles can, however, be reached quickly by dispersing.
EFFECTS OF SHORT-TERM EXPOSURE:
The substance and the aerosol irritate the eyes, the skin and the
respiratory tract. The substance may cause effects on the central nervous system,
digestive tract, circulatory system , resulting in severe haemorrhagic, losses of fluids
and electrolytes, collapse, shock and death. Exposure at low level may result in death.
The effects may be delayed.
EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
Repeated or prolonged contact with skin may cause dermatitis. Repeated
or prolonged contact may cause skin sensitization. The substance may have effects on the
peripheral nervous system, skin, mucous membranes, and liver , resulting in neuropathy,
pigmentation disorders, perforation of nasal septum, and cirrhosis. This substance is
carcinogenic to humans. |