n-Butyl alcohol
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CAS
71-36-3
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CH3CH2CH2CH2OH
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RTECS
EO1400000
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Synonyms & Trade Names
1-Butanol, n-Butanol, Butyl alcohol, 1-Hydroxybutane, n-Propyl carbinol
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DOT ID & Guide
1120 / 129
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Exposure
Limits
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NIOSH REL: C 50 ppm (150 mg/m3) [skin]
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OSHA PEL†: TWA 100 ppm (300 mg/m3)
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IDLH
1400 ppm [10%LEL]
See: 71363
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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
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BP: 243°F
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FRZ: -129°F
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Sol: 9%
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VP: 6 mmHg
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IP: 10.04 eV
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Sp.Gr: 0.81
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Fl.P: 84°F
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UEL: 11.2%
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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 1405, 1450; OSHA 7
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet (flammable)
Change: No recommendation
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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
Important additional information about respirator selection
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Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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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
See ICSC CARD: 0111 See MEDICAL TESTS: 0030
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