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| Isobutyronitrile | CAS 78-82-0 | ||
| (CH3)2CHCN | RTECS TZ4900000 | ||
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Synonyms & Trade Names Isopropyl cyanide, 2-Methylpropanenitrile, 2-Methylpropionitrile |
DOT ID & Guide 2284 131 |
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Exposure Limits |
NIOSH REL: TWA 8 ppm (22 mg/m3) | ||
| OSHA PEL: none | |||
| IDLH N.D. | Conversion 1 ppm = 2.83 mg/m3 | ||
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Physical Description Colorless liquid with an almond-like odor. [Note: Forms cyanide in the body.] |
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MW: 69.1 |
BP: 219°F |
FRZ: -97°F |
Sol: Slight |
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VP(130°F): 100 mmHg |
IP: ? |
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Sp.Gr: 0.76 |
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Fl.P: 47°F |
UEL: ? |
LEL: ? |
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| Class IB Flammable Liquid: Fl.P. below 73�F and BP at or above 100�F. | |||
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Incompatibilities & Reactivities Oxidizers, reducing agents, strong acids & bases |
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Measurement Methods NIOSH 1606 (adapt) |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet (flammable) Change: No recommendation Provide: Eyewash, Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap flush immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH Up to 80 ppm: (APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)/(APF = 10) Any supplied-air respirator Up to 200 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 400 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 Up to 1000 ppm: (APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode 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, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, nose, throat; headache, dizziness, lassitude (weakness, exhaustion), confusion, convulsions; dyspnea (breathing difficulty); abdominal pain, nausea, vomiting | |
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Target Organs
Eyes, skin, respiratory system, central nervous system, cardiovascular system |
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| See also: INTRODUCTION |