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VIII.<br />
PYROPHORIC SUBSTANCES<br />
Characteristics • Warning: Pyrophoric substances ignite spontaneously upon contact with air.<br />
• All are flammable<br />
• Notify EH&S of use of pyrophoric prior to purchase to ensure proper safety<br />
equipment is available.<br />
Storage<br />
Precautions<br />
Potential<br />
Hazards<br />
Immediate<br />
Action<br />
Personal<br />
Protection<br />
• Use only in gas cabinet. Obtain approval from Fire Marshall prior to use.<br />
• Flow Restricting Orifice must be used when using silane.<br />
• Store in cool, dry, well-ventilated location<br />
• Materials must be stored under a blanket of inert gas.<br />
Fire • Ignites spontaneously on contact with air<br />
• May react violently with water oxidizing agents, halogenated<br />
hydrocarbons and alcohols<br />
Explosion • May be explosive when mixed with oxidizing materials<br />
Health • Can cause severe burns<br />
• Inhalation of some alkyl metal fumes can cause metal fume fever<br />
NOTIFY EH&S OF ANY RELEASE:<br />
• Beyond immediate work area<br />
• Causing injury<br />
• For fire, use dry sand or vermiculite<br />
• For phosphorous use water<br />
• Refer to MSDS – response must be material specific<br />
• Isolate area, and deny entry<br />
• Avoid breathing fumes<br />
• Keep upwind<br />
• Keep unprotected personnel away<br />
• Wear appropriate personal protection<br />
First Aid • Move victim to fresh air<br />
• Remove and isolate contaminated clothing<br />
• Remove material from skin immediately<br />
• In case of contact, flush skin or eyes with water for at least 15 minutes<br />
Common Pyrophoric Substances:<br />
Boron<br />
Butyllithium<br />
Cadmium†<br />
Calcium†<br />
Chromium†<br />
Cobalt†<br />
Diborane<br />
Dichloroborane<br />
2-Furaldehyde<br />
Iron†<br />
Lead†<br />
Manganese†<br />
Methyllithium<br />
Nickel†<br />
Phorphorous, Yellow‡<br />
Titanium†<br />
Selectride<br />
Silane<br />
†Finely divided metals form a pyrophoric hazard.<br />
‡Phosphorous, Yellow should be stored and cut under water.<br />
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