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| Magnesite | CAS 546-93-0 | ||
| MgCO3 | RTECS OM2470000 | ||
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Synonyms & Trade Names Carbonate magnesium, Hydromagnesite, Magnesium carbonate, Magnesium(II) carbonate [Note: Magnesite is a naturally-occurring form of magnesium carbonate.] |
DOT ID & Guide |
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Exposure Limits |
NIOSH REL: TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp) | ||
| OSHA PEL: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp) | |||
| IDLH N.D. See: IDLH INDEX | Conversion | ||
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Physical Description White, odorless, crystalline powder. |
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MW: 84.3 |
BP: Decomposes |
MLT: 662°F (Decomposes) |
Sol: 0.01% |
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VP: 0 mmHg (approx) |
IP: NA |
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Sp.Gr: 2.96 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Solid | |||
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Incompatibilities & Reactivities Acids, formaldehyde |
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Measurement Method Filter; none; Gravimetric; IV [Particulates NOR: #0500 (total), #0600 (respirable)] See: NMAM INDEX |
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Personal Protection & Sanitation Skin: N.R. Eyes: N.R. Wash skin: N.R. Remove: N.R. Change: N.R. |
First Aid (See procedures) Eye: Irrigate immediately Breathing: Fresh air |
| Respirator Recommendations To be added later | |
| Exposure Routes inhalation, skin and/or eye contact | |
| Symptoms irritation eyes, skin, respiratory system; cough | |
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Target Organs
Eyes, skin, respiratory system |
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| See also: INTRODUCTION |