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| Iodine | CAS 7553-56-2 | ||
| I2 | RTECS NN1575000 | ||
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Synonyms & Trade Names Iodine crystals, Molecular iodine |
DOT ID & Guide |
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Exposure Limits |
NIOSH REL: C 0.1 ppm (1 mg/m3) | ||
| OSHA PEL: C 0.1 ppm (1 mg/m3) | |||
| IDLH 2 ppm | Conversion 1 ppm = 10.38 mg/m3 | ||
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Physical Description Violet solid with a sharp, characteristic odor. |
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MW: 253.8 |
BP: 365°F |
MLT: 236°F |
Sol: 0.01% |
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VP(77°F): 0.3 mmHg |
IP: 9.31 eV |
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Sp.Gr: 4.93 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Solid | |||
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Incompatibilities & Reactivities Ammonia, acetylene, acetaldehyde, powdered aluminum, active metals, liquid chlorine |
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Measurement Methods NIOSH 6005; OSHA ID212 |
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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 (>7%), Quick drench (>7%) |
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/OSHA Up to 1 ppm: (APF = 10) Any supplied-air respirator* Up to 2 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode*/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece Emergency or planned entry into unknown concentrations or IDLH conditions: (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 acid gas canister having a high-efficiency particulate filter/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, nose; lacrimation (discharge of tears); headache; chest tightness; skin burns, rash; cutaneous hypersensitivity | |
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Target Organs
Eyes, skin, respiratory system, central nervous system, cardiovascular system |
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| See also: INTRODUCTION |