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| n-Hexane | CAS 110-54-3 | ||
| CH3[CH2]4CH3 | RTECS MN9275000 | ||
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Synonyms & Trade Names Hexane, Hexyl hydride, normal-Hexane |
DOT ID & Guide 1208 128 |
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Exposure Limits |
NIOSH REL: TWA 50 ppm (180 mg/m3) | ||
| OSHA PEL�: TWA 500 ppm (1800 mg/m3) | |||
| IDLH 1100 ppm [10%LEL] | Conversion 1 ppm = 3.53 mg/m3 | ||
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Physical Description Colorless liquid with a gasoline-like odor. |
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MW: 86.2 |
BP: 156°F |
FRZ: -219°F |
Sol: 0.002% |
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VP: 124 mmHg |
IP: 10.18 eV |
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Sp.Gr: 0.66 |
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Fl.P: -7°F |
UEL: 7.5% |
LEL: 1.1% |
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| Class IB Flammable Liquid: Fl.P. below 73�F and BP at or above 100�F. | |||
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Incompatibilities & Reactivities Strong oxidizers |
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Measurement Methods NIOSH 1500, 3800; OSHA 7 |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet (flammable) Change: No recommendation |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH Up to 500 ppm: (APF = 10) Any supplied-air respirator* Up to 1100 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode*/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece Emergency or planned entry into unknown concentrations or IDLH conditions: (APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode/(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus Escape: (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, nose; nausea, headache; peripheral neuropathy: numb extremities, muscle weakness; dermatitis; dizziness; chemical pneumonitis (aspiration liquid) | |
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Target Organs
Eyes, skin, respiratory system, central nervous system, peripheral nervous system |
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| See also: INTRODUCTION |