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| Zinc oxide | CAS 1314-13-2 | ||
| ZnO | RTECS ZH4810000 | ||
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Synonyms & Trade Names Zinc peroxide |
DOT ID & Guide 1516 143 |
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Exposure Limits |
NIOSH REL: Dust: TWA 5 mg/m3 C 15 mg/m3 Fume: TWA 5 mg/m3 ST 10 mg/m3 |
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| OSHA PEL†: TWA 5 mg/m3 (fume) TWA 15 mg/m3 (total dust) TWA 5 mg/m3 (resp dust) | |||
| IDLH 500 mg/m3 See: 1314132 | Conversion | ||
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Physical Description White, odorless solid. |
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MW: 81.4 |
BP: ? |
MLT: 3587°F |
Sol(64°F): 0.0004% |
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VP: 0 mmHg (approx) |
IP: NA |
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Sp.Gr: 5.61 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Solid | |||
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Incompatibilities & Reactivities Chlorinated rubber (at 419°F), water [Note: Slowly decomposed by water.] |
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Measurement Methods NIOSH 7502, 7303; OSHA ID121, ID143 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation Skin: No recommendation Eyes: No recommendation Wash skin: No recommendation Remove: No recommendation Change: No recommendation |
First Aid (See procedures) Breathing: Respiratory support |
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Important additional information about respirator selection Respirator Recommendations NIOSH/OSHA Up to 50 mg/m3: (APF = 10) Any dust, mist, and fume respirator/(APF = 10) Any supplied-air respirator Up to 125 mg/m3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode/(APF = 25) Any powered, air-purifying respirator with a dust, mist, and fume filter Up to 250 mg/m3: (APF = 50) Any air-purifying, full-facepiece respirator with a high-efficiency particulate filter/(APF = 50) Any supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode/(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and a high-efficiency particulate filter/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece Up to 500 mg/m3: (APF = 1000) Any supplied-air respirator operated in a pressure-demand or other positive-pressure mode 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 with a high-efficiency particulate filter/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation | |
| Symptoms Metal fume fever: chills, muscle ache, nausea, fever, dry throat, cough; lassitude (weakness, exhaustion); metallic taste; headache; blurred vision; low back pain; vomiting; malaise (vague feeling of discomfort); chest tightness; dyspnea (breathing difficulty), rales, decreased pulmonary function | |
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Target Organs
respiratory system |
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| See also: INTRODUCTION See ICSC CARD: 0208 See MEDICAL TESTS: 0246 |