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Cotton dust (raw) |
CAS | ||
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RTECS GN2275000 | ||
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Synonyms & Trade Names Raw cotton dust |
DOT ID & Guide 1365 133 (cotton) |
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Exposure
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NIOSH REL: TWA <0.200 mg/m3 See Appendix C | ||
| OSHA PEL: [Z-1-A & 1910.1043] TWA 1 mg/m3 (waste processing during waste recycling [sorting, blending, cleaning & willowing] & garnetting) TWA 0.200 mg/m3 (textile yarn manufacturing) TWA 0.750 mg/m3 (textile slashing & weaving) TWA 0.500 mg/m3 (all other operations) See Appendix C | |||
| IDLH 100 mg/m3 See: cotdust | Conversion | ||
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Physical Description Colorless, odorless solid. |
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MW: ? |
BP: Decomposes |
MLT: 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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| Combustible Solid | |||
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Incompatibilities & Reactivities Strong oxidizers |
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Measurement Methods OSHA [1910.1043] 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) Breathing: Fresh air |
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Important additional information about respirator selection Respirator Recommendations (See Appendix E) NIOSH Up to 1 mg/m3: (APF = 5) Any quarter-mask respirator. Click here for information on selection of N, R, or P filters. Up to 2 mg/m3: (APF = 10) Any particulate respirator equipped with an N95, R95, or P95 filter (including N95, R95, and P95 filtering facepieces) except quarter-mask respirators. The following filters may also be used: N99, R99, P99, N100, R100, P100. Click here for information on selection of N, R, or P filters. (APF = 10) Any supplied-air respirator Up to 5 mg/m3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode (APF = 25) Any powered air-purifying respirator with a high-efficiency particulate filter. Up to 10 mg/m3: (APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters. (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 100 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 an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters./Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation | |
| Symptoms Byssinosis: chest tightness, cough, wheezing, dyspnea (breathing difficulty); decreased forced expiratory volume; bronchitis; malaise (vague feeling of discomfort); fever, chills, upper respiratory symptoms after initial exposure | |
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Target Organs
cardiovascular system, respiratory system |
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| See also: INTRODUCTION See MEDICAL TESTS: 0058 |