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| n-Butyl alcohol | CAS 71-36-3 | ||
| CH3CH2CH2CH2OH | RTECS EO1400000 | ||
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Synonyms & Trade Names 1-Butanol, n-Butanol, Butyl alcohol, 1-Hydroxybutane, n-Propyl carbinol |
DOT ID & Guide 1120 129 |
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Exposure Limits |
NIOSH REL: C 50 ppm (150 mg/m3) [skin] | ||
| OSHA PEL�: TWA 100 ppm (300 mg/m3) | |||
| IDLH 1400 ppm [10%LEL] | Conversion 1 ppm = 3.03 mg/m3 | ||
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Physical Description Colorless liquid with a strong, characteristic, mildly alcoholic odor. |
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MW: 74.1 |
BP: 243°F |
FRZ: -129°F |
Sol: 9% |
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VP: 6 mmHg |
IP: 10.04 eV |
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Sp.Gr: 0.81 |
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Fl.P: 84°F |
UEL: 11.2% |
LEL: 1.4% |
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| Class IC Flammable Liquid: Fl.P. at or above 73�F and below 100�F. | |||
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Incompatibilities & Reactivities Strong oxidizers, strong mineral acids, alkali metals, halogens |
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Measurement Methods NIOSH 1450; 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: Water flush promptly Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH Up to 1250 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode�/(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)� Up to 1400 ppm: (APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s)/(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister/(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and organic vapor cartridge(s)�/(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, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, nose, throat; headache, dizziness, drowsiness; corneal inflammation, blurred vision, lacrimation (discharge of tears), photophobia (abnormal visual intolerance to light); dermatitis; possible auditory nerve damage, hearing loss; central nervous system depression | |
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Target Organs
Eyes, skin, respiratory system, central nervous system |
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| See also: INTRODUCTION |