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| Calcium carbonate | CAS 1317-65-3 | ||
| CaCO3 | RTECS EV9580000 | ||
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Synonyms & Trade Names Calcium salt of carbonic acid [Note: Occurs in nature as as limestone, chalk, marble, dolomite, aragonite, calcite & oyster shells.] |
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 powder or colorless crystals. |
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MW: 100.1 |
BP: Decomposes |
MLT: 1517-2442°F (Decomposes) |
Sol: 0.001% |
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VP: 0 mmHg (approx) |
IP: NA |
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Sp.Gr: 2.7-2.95 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Solid | |||
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Incompatibilities & Reactivities Acids, alum, ammonium salts, mercury & hydrogen, fluorine, magnesium |
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Measurement Method Filter; Acid; Flame atomic absorption spectrometry; IV [#7020, Calcium] 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 Skin: Soap wash 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 See ICSC CARD: 0503 |