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| Vinylidene chloride | CAS 75-35-4 | ||
| CH2=CCl2 | RTECS KV9275000 | ||
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Synonyms & Trade Names 1,1-DCE; 1,1-Dichloroethene; 1,1-Dichloroethylene; VDC; Vinylidene chloride monomer; Vinylidene dichloride |
DOT ID & Guide 1303 129P (inhibited) |
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Exposure Limits |
NIOSH REL: Ca See Appendix A | ||
| OSHA PEL�: none | |||
| IDLH Ca [N.D.] | Conversion | ||
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Physical Description Colorless liquid or gas (above 89°F) with a mild, sweet, chloroform-like odor. |
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MW: 96.9 |
BP: 89°F |
FRZ: -189°F |
Sol: 0.04% |
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VP: 500 mmHg |
IP: 10.00 eV |
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Sp.Gr: 1.21 |
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Fl.P: -2°F |
UEL: 15.5% |
LEL: 6.5% |
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| Class IA Flammable Liquid: Fl.P. below 73�F and BP below 100�F. | |||
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Incompatibilities & Reactivities Aluminum, sunlight, air, copper, heat [Note: Polymerization may occur if exposed to oxidizers, chlorosulfonic acid, nitric acid, or oleum. Inhibitors such as the monomethyl ether of hydroquinone are added to prevent polymerization.] |
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Measurement Methods NIOSH 1015; OSHA 19 |
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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 |
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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/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, skin, throat; dizziness, headache, nausea, dyspnea (breathing difficulty); liver, kidney disturbance; pneumonitis; [potential occupational carcinogen] | |
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Target Organs
Eyes, skin, respiratory system, central nervous system, liver, kidneys Cancer Site [in animals: liver & kidney tumors] |
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| See also: INTRODUCTION |