|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Isobutyl alcohol | CAS 78-83-1 | ||
| (CH3)2CHCH2OH | RTECS NP9625000 | ||
|
Synonyms & Trade Names IBA, Isobutanol, Isopropylcarbinol, 2-Methyl-1-propanol |
DOT ID & Guide 1212 129 |
||
|
Exposure Limits |
NIOSH REL: TWA 50 ppm (150 mg/m3) | ||
| OSHA PEL†: TWA 100 ppm (300 mg/m3) | |||
| IDLH 1600 ppm See: 78831 | Conversion 1 ppm = 3.03 mg/m3 | ||
|
Physical Description Colorless, oily liquid with a sweet, musty odor. |
|||
|
MW: 74.1 |
BP: 227°F |
FRZ: -162°F |
Sol: 10% |
|
VP: 9 mmHg |
IP: 10.12 eV |
|
Sp.Gr: 0.80 |
|
Fl.P: 82°F |
UEL(202°F): 10.6% |
LEL(123°F): 1.7% |
|
| Class IC Flammable Liquid: Fl.P. at or above 73°F and below 100°F. | |||
|
Incompatibilities & Reactivities Strong oxidizers |
|||
|
Measurement Methods NIOSH 1401; OSHA 7 See: NMAM or OSHA Methods |
|
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 |
|
Important additional information about respirator selection Respirator Recommendations NIOSH Up to 500 ppm: (APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)*/(APF = 10) Any supplied-air respirator* 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 1600 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 |
|
| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, throat; headache, drowsiness; skin cracking; in animals: narcosis | |
|
Target Organs
Eyes, skin, respiratory system, central nervous system |
|
| See also: INTRODUCTION See ICSC CARD: 0113 |