|
|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
sec-Butyl alcohol |
CAS 78-92-2 | ||
CH3CH(OH)CH2CH3 |
RTECS EO1750000 | ||
|
Synonyms & Trade Names 2-Butanol, Butylene hydrate, 2-Hydroxybutane, Methyl ethyl carbinol |
DOT ID & Guide 1120 129 |
||
Exposure
|
NIOSH REL: TWA 100 ppm (305 mg/m3) ST 150 ppm (455 mg/m3) | ||
| OSHA PEL†: TWA 150 ppm (450 mg/m3) | |||
| IDLH 2000 ppm See: 78922 | Conversion 1 ppm = 3.03 mg/m3 | ||
|
Physical Description Colorless liquid with a strong, pleasant odor. |
|||
|
MW: 74.1 |
BP: 211°F |
FRZ: -175°F |
Sol: 16% |
|
VP: 12 mmHg |
IP: 10.10 eV |
|
Sp.Gr: 0.81 |
|
Fl.P: 75°F |
UEL(212°F): 9.8% |
LEL(212°F): 1.7% |
|
| Class IC Flammable Liquid: Fl.P. at or above 73°F and below 100°F. | |||
|
Incompatibilities & Reactivities Strong oxidizers, organic peroxides, perchloric & permonosulfuric acids |
|||
|
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 |
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 1000 ppm: (APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)* (APF = 10) Any supplied-air respirator* Up to 2000 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)* (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 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, nose, throat; narcosis | |
|
Target Organs
Eyes, skin, respiratory system, central nervous system |
|
| See also: INTRODUCTION See ICSC CARD: 0112 |