# NIOSH Pocket Guide to Chemical Hazards
Camphor (synthetic) | CAS 76-22-2
C10H16O | RTECS EX1225000
Synonyms & Trade Names 2-Camphonone, Gum camphor, Laurel camphor, Synthetic camphor | DOT ID & Guide 2717 133
Exposure Limits | NIOSH REL: TWA 2 mg/m3
OSHA PEL: TWA 2 mg/m3
IDLH 200 mg/m3 | Conversion
Physical Description Colorless or white crystals with a penetrating, aromatic odor.
MW: 152.3 | BP: 399°F | MLT: 345°F | Sol: Insoluble
VP: 0.2 mmHg | IP: 8.76 eV |  | Sp.Gr: 0.99
Fl.P: 150°F | UEL: 3.5% | LEL: 0.6% |
Combustible Solid
Incompatibilities & Reactivities Strong oxidizers (especially chromic anhydride & potassium permanganate)
Measurement Methods NIOSH 1301; OSHA 7
Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: Daily | First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations NIOSH/OSHA Up to 50 mg/m3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode£/(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s) in combination with a dust and mist filter£ Up to 100 mg/m3: (APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s) in combination with a high-efficiency particulate filter/(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister having a high-efficiency particulate filter/(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and organic vapor cartridge(s) in combination with a high-efficiency particulate filter£/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece Up to 200 mg/m3: (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 having a high-efficiency particulate filter/Any appropriate escape-type, self-contained breathing apparatus
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, mucous membrane; nausea, vomiting, diarrhea; headache, dizziness, excitement, epileptiform convulsions
Target Organs Eyes, skin, respiratory system, central nervous system
See also: INTRODUCTION