# NIOSH Pocket Guide to Chemical Hazards
Allyl alcohol | CAS 107-18-6
CH2=CHCH2OH | RTECS BA5075000
Synonyms & Trade Names AA, Allylic alcohol, Propenol, 1-Propen-3-ol, 2-Propenol, Vinyl carbinol | DOT ID & Guide 1098 131
Exposure Limits | NIOSH REL: TWA 2 ppm (5 mg/m3) ST 4 ppm (10 mg/m3) [skin]
OSHA PEL†: TWA 2 ppm (5 mg/m3) [skin]
IDLH 20 ppm | Conversion 1 ppm = 2.38 mg/m3
Physical Description Colorless liquid with a pungent, mustard-like odor.
MW: 58.1 | BP: 205°F | FRZ: -200°F | Sol: Miscible
VP: 17 mmHg | IP: 9.63 eV |  | Sp.Gr: 0.85
Fl.P: 70°F | UEL: 18.0% | LEL: 2.5% |
Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
Incompatibilities & Reactivities Strong oxidizers, acids, carbon tetrachloride [Note: Polymerization may be caused by elevated temperatures, oxidizers, or peroxides.]
Measurement Methods NIOSH 1402
Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet (flammable) Change: No recommendation Provide: Quick drench | First Aid (See procedures) Eye: Irrigate immediately Skin: Water flush immediately Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations NIOSH/OSHA Up to 20 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, skin absorption, ingestion, skin and/or eye contact
Symptoms Eye irritation, tissue damage; irritation upper respiratory system, skin; pulmonary edema
Target Organs Eyes, skin, respiratory system
See also: INTRODUCTION