1% Arsine in He
SYMBOL: ArH3
CAS NUMBER: 7803-51-2 (PH3), 7440-59-7
(He)
1. HAZARDS IDENTIFICATION
NFPA RATINGS (SCALE 0-4): HEALTH=4 FIRE=0 REACTIVITY=0
EMERGENCY OVERVIEW:
Color: colorless
Physical Form: gas
Odor: GARLIC-LIKE ODOR
Major Health Hazards: DANGER! Fatal if inhaled.Cancer hazard. May cause adverse effects on the
bone marrow and blood-forming system. May cause adverse kidney effects. May cause adverse liver
effects. Contents under pressure. Keep at temperatures below 52°C / 125°F
POTENTIAL HEALTH EFFECTS:
INHALATION: Fatal if inhaled. Arsine is a an extremely toxic gas that destroys red blood cells and can cause
widepsread organ injury. Inhalation of 250 ppm for 30 minutes is fatal and 3-10 ppm can cause poisoning symptoms
in a few hours. Early effects are commonly characterized by drowsiness, giddiness, headache, thirst and abdominal
pain with vomiting. Arsine may discolor urine to red or a darkened color, and the skin to a bronze or jaundiced color.
SKIN CONTACT: May cause irritation.
Eye contact: High concentrations may cause eye damage, however, systemic poisoning will occur first
2. FIRST AID MEASURESGeneral Advice: Call Emergency medical service. Remove and isolate contaminated clothing and shoes -----
EYE CONTACT: Flush contaminated eye(s) with copious amounts of fresh water. Seek medical attention
immediately.
INGESTION: Arsine is a gas at room temperature and pressure making ingestion unlikely.
INHALATION: PROMPT MEDICAL ATTENTION IS MANDATORY IN ALL CASES OF INHALATION
OVEREXPOSURE. RESCUE PERSONNEL SHOULD BE EQUIPPED WITH SELF-CONTAINED BREATHING
APPARATUS. Conscious inhalation victims should be assisted to an uncontaminated area and inhale fresh air. If
breathing is difficult, administer oxygen. Unconscious persons should be moved to an uncontaminated area and, as
necessary, given artificial resuscitation and supplemental oxygen. Treatment should be symptomatic
and supportive.
SKIN CONTACT: In case of contact, immediately flush skin with plenty of water for at least 15 minutes
while removing contaminated clothing and shoes. Wash clothing before reuse.
3. FIRE FIGHTING MEASURES----------FLASH POINT: Not flammable.
EXTINGUISHING MEDIA: Use extinguishing measures that are appropriate to local circumstances and the
surrounding environment.. Do not use halogenated extinguishing agents or foam.
SPECIAL FIRE FIGHTING INSTRUCTIONS: Continue to cool fire exposed cylinders until flames are
extinguished. Cylinders may rupture under extreme heat. Damaged cylinders should be handled only by specialists.
Wear self-contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or equivalent) and full
protective gear. Additional chemical protective clothing may be required to protect from toxic decomposition products
HAZARDOUS COMBUSTION PRODUCTS: Arsenic compounds including arsenic trioxide