n-Butane
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CAS
106-97-8
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CH3CH2CH2CH3
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RTECS
EJ4200000
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Synonyms & Trade Names
normal-Butane, Butyl hydride, Diethyl, Methylethylmethane [Note: Also see specific listing for Isobutane.]
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DOT ID & Guide
1011 / 115
1075 / 115
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Exposure
Limits
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NIOSH REL: TWA 800 ppm (1900 mg/m3)
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OSHA PEL†: none
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IDLH
N.D.
See: IDLH INDEX
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Conversion
1 ppm = 2.38 mg/m3
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Physical Description
Colorless gas with a gasoline-like or natural gas odor. [Note: Shipped as a liquefied compressed gas. A liquid below 31°F.]
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MW: 58.1
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BP: 31°F
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FRZ: -217°F
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Sol: Slight
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VP: 2.05 atm
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IP: 10.63 eV
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RGasD: 2.11
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Sp.Gr: 0.6 (Liquid at 31°F)
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Fl.P: NA (Gas)
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UEL: 8.4%
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LEL: 1.6%
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Flammable Gas
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Incompatibilities & Reactivities
Strong oxidizers (e.g., nitrates & perchlorates), chlorine, fluorine, (nickel carbonyl + oxygen)
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Measurement Methods
OSHA PV2010
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Frostbite
Eyes: Frostbite
Wash skin: No recommendation
Remove: When wet (flammable)
Change: No recommendation
Provide: Frostbite wash
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First Aid (See procedures)
Eye: Frostbite
Skin: Frostbite
Breathing: Respiratory support
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Respirator Recommendations
Not available.
Important additional information about respirator selection
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Exposure Routes
inhalation, skin and/or eye contact (liquid)
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Symptoms
Drowsiness, narcosis, asphyxia; liquid: frostbite
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Target Organs
central nervous system
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See also: INTRODUCTION
See ICSC CARD: 0232 |
