# NIOSH Pocket Guide to Chemical Hazards
1,3-Dichloropropene | CAS 542-75-6
ClHC=CHCH2Cl | RTECS UC8310000
Synonyms & Trade Names 3-Chloroallyl chloride; DCP; 1,3-Dichloro-1-propene; 1,3-Dichloropropylene; Telone® | DOT ID & Guide 2047 132
Exposure Limits | NIOSH REL: Ca TWA 1 ppm (5 mg/m3) [skin] See Appendix A
OSHA PEL†: none
IDLH Ca [N.D.] | Conversion 1 ppm = 4.54 mg/m3
Physical Description Colorless to straw-colored liquid with a sharp, sweet, irritating, chloroform-like odor. [insecticide] [Note: Exists as mixture of cis- & trans-isomers.]
MW: 111.0 | BP: 226°F | FRZ: -119°F | Sol: 0.2%
VP: 28 mmHg | IP: ? |  | Sp.Gr: 1.21
Fl.P: 77°F | UEL: 14.5% | LEL: 5.3% |
Class IC Flammable Liquid: Fl.P. at or above 73°F and below 100°F.
Incompatibilities & Reactivities Aluminum, magnesium, halogens, oxidizers [Note: Epichlorohydrin may be added as a stabilizer.]
Measurement Methods None available
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
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; eye, skin burns; lacrimation (discharge of tears); headache, dizziness; in animals; liver, kidney damage; [potential occupational carcinogen]
Target Organs Eyes, skin, respiratory system, central nervous system, liver, kidneys Cancer Site [in animals: cancer of the bladder, liver, lung & forestomach]
See also: INTRODUCTION