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Isoamyl alcohol (primary) |
CAS 123-51-3 | ||
(CH3)2CHCH2CH2OH |
RTECS EL5425000 | ||
Synonyms & Trade Names Fermentation amyl alcohol, Fusel oil, Isobutyl carbinol, Isopentyl alcohol, 3-Methyl-1-butanol, Primary isoamyl alcohol |
DOT ID & Guide 1105 129 |
Exposure
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NIOSH REL: TWA 100 ppm (360 mg/m3) ST 125 ppm (450 mg/m3) | ||
OSHA PEL†: TWA 100 ppm (360 mg/m3) | |||
IDLH 500 ppm See: 123513 | Conversion 1 ppm = 3.61 mg/m3 |
Physical Description Colorless liquid with a disagreeable odor. |
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MW: 88.2 |
BP: 270°F |
FRZ: -179°F |
Sol(57°F): 2% |
VP: 28 mmHg |
IP: ? |
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Sp.Gr(57°F): 0.81 |
Fl.P: 109°F |
UEL(212°F): 9.0% |
LEL: 1.2% |
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Class II Combustible Liquid: Fl.P. at or above 100°F and below 140°F. | |||
Incompatibilities & Reactivities Strong oxidizers |
Measurement Methods NIOSH 1402, 1405 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 or contaminated Change: No recommendation |
First Aid (See procedures) Eye: Irrigate immediately Skin: Water flush promptly Breathing: Respiratory support Swallow: Medical attention immediately |
Important additional information about respirator selection Respirator Recommendations NIOSH/OSHA Up to 500 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode£ (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 = 25) Any powered, air-purifying respirator with 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, ingestion, skin and/or eye contact | |
Symptoms Irritation eyes, skin, nose, throat; headache, dizziness; cough, dyspnea (breathing difficulty), nausea, vomiting, diarrhea; skin cracking; in animals: narcosis | |
Target Organs
Eyes, skin, respiratory system, central nervous system |
See also: INTRODUCTION See ICSC CARD: 0798 |