Methyl isobutyl carbinol |
Synonyms & Trade Names Isobutylmethylcarbinol, Methyl amyl alcohol, 4-Methyl-2-pentanol, MIBC |
CAS No. 108-11-2 |
RTECS No. SA7350000 |
DOT ID & Guide 2053 129 |
Formula(CH3)2CHCH2CH(OH)CH3 |
Conversion 1 ppm = 4.18 mg/m3 |
IDLH 400 ppm
See: 108112 |
Exposure Limits NIOSH REL: TWA 25 ppm (100 mg/m3) ST 40 ppm (165 mg/m3) [skin]
OSHA PEL†: TWA 25 ppm (100 mg/m3) [skin] |
Measurement Methods
NIOSH 1402 , 1405;
OSHA 7
See: NMAM or OSHA Methods |
Physical Description Colorless liquid with a mild odor. |
MW: 102.2 |
BP: 271°F |
FRZ: -130°F |
Sol: 2% |
VP: 3 mmHg |
IP: ? |
Sp.Gr: 0.81 |
Fl.P: 106°F |
UEL: 5.5% |
LEL: 1.0% |
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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, skin absorption, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin; headache, drowsiness; dermatitis; in animals: narcosis |
Target Organs Eyes, skin, 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 250 ppm:
(APF = 10) Any supplied-air respirator* Up to 400 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode*
(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: 0665
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