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Calcium silicate |
CAS 1344-95-2 | ||
CaSiO3 |
RTECS VV9150000 | ||
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Synonyms & Trade Names Calcium hydrosilicate, Calcium metasilicate, Calcium monosilicate, Calcium salt of silicic acid, Wollastonite (mineral) |
DOT ID & Guide |
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Exposure
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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 or cream-colored, free-flowing powder. [Note: The commercial product is prepared from diatomaceous earth & lime.] |
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MW: 116.2 |
BP: ? |
MLT: 2804°F |
Sol: 0.01% |
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VP: 0 mmHg (approx) |
IP: NA |
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Sp.Gr: 2.9 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Solid | |||
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Incompatibilities & Reactivities None reported [Note: After prolonged contact with water, solution reverts to soluble calcium salts & amorphous silica.] |
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Measurement Methods NIOSH 7020; OSHA ID121 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation (See protection) Skin: No recommendation Eyes: No recommendation Wash skin: No recommendation Remove: No recommendation Change: No recommendation |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash Breathing: Fresh air |
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Important additional information about respirator selection Respirator Recommendations Not available. |
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| Exposure Routes inhalation, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, upper respiratory system | |
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Target Organs
Eyes, skin, respiratory system |
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| See also: INTRODUCTION See ICSC CARD: 1401 |