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| Chromyl chloride | CAS 14977-61-8 | ||
| Cr(OCl)2 | RTECS GB5775000 | ||
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Synonyms & Trade Names Chlorochromic anhydride, Chromic oxychloride, Chromium chloride oxide, Chromium dichloride dioxide, Chromium dioxide dichloride, Chromium dioxychloride, Chromium oxychloride, Dichlorodioxochromium |
DOT ID & Guide 1758 137 |
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Exposure Limits |
NIOSH REL: Ca 0.001 mg Cr(VI)/m3 See Appendix A See Appendix C | ||
| OSHA PEL: none | |||
| IDLH Ca [N.D.] | Conversion | ||
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Physical Description Deep-red liquid with a musty, burning, acrid odor. [Note: Fumes in moist air.] |
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MW: 154.9 |
BP: 243°F |
FRZ: -142°F |
Sol: Reacts |
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VP: 20 mmHg |
IP: 12.60 eV |
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Sp.Gr(77°F): 1.91 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Liquid, but a powerful oxidizer. | |||
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Incompatibilities & Reactivities Water, combustible substances, halides, phosphorus, turpentine [Note: Reacts violently in water; forms chromic acid, chromic chloride, hydrochloric acid & chlorine. Corrodes common metals.] |
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Measurement Methods None available |
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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: No recommendation Provide: Eyewash, Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Water 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, upper respiratory system; eye, skin burns | |
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Target Organs
Eyes, skin, respiratory system Cancer Site [lung cancer] |
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| See also: INTRODUCTION |