n-Butane |
Synonyms & Trade Names normal-Butane, Butyl hydride, Diethyl, Methylethylmethane [Note: Also see specific listing for Isobutane.] |
CAS No. 106-97-8 |
RTECS No. EJ4200000 |
DOT ID & Guide 1011 115
1075 115 |
FormulaCH3CH2CH2CH3 |
Conversion 1 ppm = 2.38 mg/m3 |
IDLH N.D.
See: IDLH INDEX |
Exposure Limits NIOSH REL: TWA 800 ppm (1900 mg/m3)
OSHA PEL†: none |
Measurement Methods
OSHA PV2010
See: NMAM or OSHA Methods |
Physical Description Colorless gas with a gasoline-like or natural gas odor. [Note: Shipped as a liquefied compressed gas. A liquid below 31°F.] |
MW: 58.1 |
BP: 31°F |
FRZ: -217°F |
Sol: Slight |
VP: 2.05 atm |
IP: 10.63 eV |
Sp.Gr: 0.6 (Liquid at 31°F) |
Fl.P: NA (Gas) |
UEL: 8.4% |
LEL: 1.6% |
RGasD: 2.11 |
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| Flammable Gas |
Incompatibilities & Reactivities Strong oxidizers (e.g., nitrates & perchlorates), chlorine, fluorine, (nickel carbonyl + oxygen) |
Exposure Routes inhalation, skin and/or eye contact (liquid) |
Symptoms drowsiness, narcosis, asphyxia; liquid: frostbite |
Target Organs central nervous system |
|
Personal Protection/Sanitation (See protection codes)
Skin: Frostbite
Eyes: Frostbite
Wash skin: No recommendation
Remove: When wet (flammable)
Change: No recommendation
Provide: Frostbite wash |
First Aid (See procedures)
Eye: Frostbite
Skin: Frostbite
Breathing: Respiratory support
|
Respirator Recommendations Not available.
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0232
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