| Agent Name |
n-Pentane |
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| CAS Number |
109-66-0 |
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| Formula |
C5-H12 |
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| Major Category |
Solvents |
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| Synonyms |
Pentane; normal-Pentane; Amyl hydride; [CHEMINFO] UN1265 |
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| Category |
Aliphatics, Saturated |
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| Description |
Colorless liquid with a gasoline-like odor; Note: A gas above 97 degrees F. May be utilized as a fuel; [NIOSH] |
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| Sources/Uses |
Used as a chemical raw material and in lighter fluids, blowtorch fuels, laboratory solvents, blowing agents for plastics, gasoline additives, and aerosol propellants; [HSDB] |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
No |
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| TLV (ACGIH) |
600 ppm |
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| PEL (OSHA) |
1000 ppm |
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| MAK |
1000 ppm |
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| IDLH (NIOSH) |
1500 ppm |
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| Excerpts from Documentation for IDLHs |
Other animal data: It has been reported that narcosis occurs after 5 to 60 minutes of exposure to 90,000 to 120,000 ppm [Patty 1963].
Human data: Mucous membrane irritation or other symptoms were not noted after a 10�minute exposure of 5,000 ppm [Patty and Yant 1929]; |
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| Vapor Pressure |
514 mm Hg |
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| Odor Threshold Low |
119 ppm |
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| Odor Threshold High |
1147 ppm |
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| Lethal Concentration |
LC50 (rats) = 364,000mg/m3/4H |
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| Explanatory Notes |
IDLH = 10% LEL (lower explosive limit); Odor threshold from AIHA; Flash point = -40 deg C; |
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| Flammability (NFPA) |
4: burns readily |
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| Adverse Effects |
|---|
| Neurotoxin |
CNS Solvent Syndrome |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: PENTANE
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