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| Chlorodiphenyl (54% chlorine) | CAS 11097-69-1 | ||
| C6H3Cl2C6H2Cl3 (approx) | RTECS TQ1360000 | ||
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Synonyms & Trade Names Aroclor® 1254, PCB, Polychlorinated biphenyl |
DOT ID & Guide 2315 171 |
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Exposure Limits |
NIOSH REL*: Ca TWA 0.001 mg/m3 See Appendix A [*Note: The REL also applies to other PCBs.] | ||
| OSHA PEL: TWA 0.5 mg/m3 [skin] | |||
| IDLH Ca [5 mg/m3] | Conversion | ||
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Physical Description Colorless to pale-yellow, viscous liquid or solid (below 50°F) with a mild, hydrocarbon odor. |
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MW: 326 (approx) |
BP: 689-734°F |
FRZ: 50°F |
Sol: Insoluble |
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VP: 0.00006 mmHg |
IP: ? |
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Sp.Gr(77°F): 1.38 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Nonflammable Liquid, but exposure in a fire results in the formation of a black soot containing PCBs, polychlorinated dibenzofurans, and chlorinated dibenzo-p-dioxins. | |||
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Incompatibilities & Reactivities Strong oxidizers |
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Measurement Methods NIOSH 5503 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: Daily Provide: Eyewash, Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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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 having a high-efficiency particulate filter/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, chloracne; liver damage; reproductive effects; [potential occupational carcinogen] | |
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Target Organs
Skin, eyes, liver, reproductive system Cancer Site [in animals: tumors of the pituitary gland & liver, leukemia] |
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| See also: INTRODUCTION |