# NIOSH Pocket Guide to Chemical Hazards
Isopropylamine | CAS 75-31-0
(CH3)2CHNH2 | RTECS NT8400000
Synonyms & Trade Names 2-Aminopropane, Monoisopropylamine, 2-Propylamine, sec-Propylamine | DOT ID & Guide 1221 132
Exposure Limits | NIOSH REL: See Appendix D
OSHA PEL†: TWA 5 ppm (12 mg/m3)
IDLH 750 ppm | Conversion 1 ppm = 2.42 mg/m3
Physical Description Colorless liquid with an ammonia-like odor. [Note: A gas above 91°F.]
MW: 59.1 | BP: 91°F | FRZ: -150°F | Sol: Miscible
VP: 460 mmHg | IP: 8.72 eV |  | Sp.Gr: 0.69
Fl.P(oc): -35°F | UEL: ? | LEL: ? |
Class IA Flammable Liquid: Fl.P. below 73°F and BP below 100°F.
Incompatibilities & Reactivities Strong acids, strong oxidizers, aldehydes, ketones, epoxides
Measurement Methods NIOSH S147 (II-3)
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: Water flush immediately Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations OSHA Up to 125 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode£/(APF = 25) Any powered, air-purifying respirator with cartridge(s) providing protection against the compound of concern£ Up to 250 ppm: (APF = 50) Any chemical cartridge respirator with a full facepiece and cartridge(s) providing protection against the compound of concern/(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted canister providing protection against the compound of concern/(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and cartridge(s) providing protection against the compound of concern£/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece Up to 750 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 canister providing protection against the compound of concern/Any appropriate escape-type, self-contained breathing apparatus
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, nose, throat; pulmonary edema; visual disturbance; eye, skin burns; dermatitis
Target Organs Eyes, skin, respiratory system
See also: INTRODUCTION