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| Asbestos | CAS 1332-21-4 | ||
| Hydrated mineral silicates | RTECS CI6475000 | ||
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Synonyms & Trade Names Actinolite, Actinolite asbestos, Amosite (cummingtonite-grunerite), Anthophyllite, Anthophyllite asbestos, Chrysotile, Crocidolite (Riebeckite), Tremolite, Tremolite asbestos |
DOT ID & Guide 2212 171 (blue, brown) 2590 171 (white) |
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Exposure Limits |
NIOSH REL: Ca See Appendix A See Appendix C | ||
| OSHA PEL: [1910.1001] [1910.1101] See Appendix C | |||
| IDLH Ca [N.D.] | Conversion | ||
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Physical Description White or greenish (chrysotile), blue (crocidolite), or gray-green (amosite) fibrous, odorless solids. |
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MW: Varies |
BP: Decomposes |
MLT: 1112°F (Decomposes) |
Sol: Insoluble |
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VP: 0 mmHg (approx) |
IP: NA |
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Sp.Gr: ? |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Solids | |||
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Incompatibilities & Reactivities None reported |
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Measurement Methods NIOSH 7400, 7402; OSHA ID160, ID191 |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: Daily Remove: No recommendation Change: Daily |
First Aid (See procedures) Eye: Irrigate immediately Breathing: Fresh air |
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Respirator Recommendations
NIOSH At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration: (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, ingestion, skin and/or eye contact | |
| Symptoms Asbestosis (chronic exposure): dyspnea (breathing difficulty), interstitial fibrosis, restricted pulmonary function, finger clubbing; irritation eyes; [potential occupational carcinogen] | |
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Target Organs
respiratory system, eyes Cancer Site [lung cancer] |
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| See also: INTRODUCTION |