Isoamyl alcohol (primary) |
Synonyms & Trade Names Fermentation amyl alcohol, Fusel oil, Isobutyl carbinol, Isopentyl alcohol, 3-Methyl-1-butanol, Primary isoamyl alcohol |
CAS No. 123-51-3 |
RTECS No. EL5425000 |
DOT ID & Guide 1105 129 |
Formula(CH3)2CHCH2CH2OH |
Conversion 1 ppm = 3.61 mg/m3 |
IDLH 500 ppm
See: 123513 |
Exposure Limits NIOSH REL: TWA 100 ppm (360 mg/m3) ST 125 ppm (450 mg/m3)
OSHA PEL†: TWA 100 ppm (360 mg/m3) |
Measurement Methods
NIOSH 1402 , 1405
See: NMAM or OSHA Methods |
Physical Description Colorless liquid with a disagreeable odor. |
MW: 88.2 |
BP: 270°F |
FRZ: -179°F |
Sol(57°F): 2% |
VP: 28 mmHg |
IP: ? |
| 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 |
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 |
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Personal Protection/Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
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 |
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
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0798
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