# NIOSH Pocket Guide to Chemical Hazards
Propylene dichloride | CAS 78-87-5
CH3CHClCH2Cl | RTECS TX9625000
Synonyms & Trade Names Dichloro-1,2-propane; 1,2-Dichloropropane | DOT ID & Guide 1279 130
Exposure Limits | NIOSH REL: Ca See Appendix A
OSHA PEL†: TWA 75 ppm (350 mg/m3)
IDLH Ca [400 ppm] | Conversion 1 ppm = 4.62 mg/m3
Physical Description Colorless liquid with a chloroform-like odor. [pesticide]
MW: 113.0 | BP: 206°F | FRZ: -149°F | Sol: 0.3%
VP: 40 mmHg | IP: 10.87 eV |  | Sp.Gr: 1.16
Fl.P: 60°F | UEL: 14.5% | LEL: 3.4% |
Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
Incompatibilities & Reactivities Strong oxidizers, strong acids, active metals
Measurement Methods NIOSH 1013; OSHA 7
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 wash promptly Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations NIOSH At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration: (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 Irritation eyes, skin, respiratory system; drowsiness, dizziness; liver, kidney damage; in animals: central nervous system depression; [potential occupational carcinogen]
Target Organs Eyes, skin, respiratory system, liver, kidneys, central nervous system Cancer Site [in animals: liver & mammary gland tumors]
See also: INTRODUCTION